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Killer Concepts Rocksteady XS Review | 130 Data compared

Avg. price in UK: ~£90
Avg. price in US: ~$100
Audio output power: 6.00 W
Battery life: 10 hours
IP rating: IPX4
Bluetooth version: 3.0
Weight: 544.3 g

Killer Concepts Rocksteady XS review. Compare 130 technical specifications and user reviews to see how this product ranks in the Portable Speakers category and whether it is worth buying.

6.5

Good

6.0

Good

8.6

Excellent

5.3
Outdoor durability
Score components:
40.0%
4.0
Water resistance
25.0%
4.9
IP rating
20.0%
9.7
Weight
15.0%
4.0
Battery life
3.7
Powerful sound
Score components:
45.0%
1.4
Audio output power
25.0%
4.0
Battery life
15.0%
9.7
Weight
15.0%
4.0
Party mode
4.3
Home listening
Score components:
35.0%
4.0
Multi-room support
30.0%
4.0
Wi-Fi connectivity
20.0%
1.4
Audio output power
15.0%
9.7
Weight

Best prices in UK

£?

Best rankings

#194 in Best small portable speakers
#377 in Best portable speakers with microphone
#650 in Best portable speakers
#691 in Best portable speakers for home

Verdict

The Killer Concepts Rocksteady XS is a highly compact, 2.1-channel portable Bluetooth speaker measuring 6.4 x 1.8 x 1.8 inches and weighing just 8.9 ounces. Housed in a durable, industrial-grade aluminum casing, it utilizes side-facing drivers and an integrated passive subwoofer to output sound up to 100 dB. Key characteristics include a wide range of connectivity—featuring Bluetooth 3.0, a 3.5mm auxiliary input, and a dual-purpose full-sized USB port capable of both direct MP3 file playback and emergency device charging. Notable pros include its convenient on-board track/volume controls, a built-in microphone for hands-free speakerphone calls, Party Mode for connecting two devices simultaneously, and an accessible, user-replaceable lithium-ion battery providing up to 10 hours of playback per charge. However, notable cons include an underlying audio signature that can sound brittle or tinny at high volumes without source-side equalization, a relatively less pronounced bass response despite the subwoofer integration, and a battery compartment cover that is difficult to open without a tool.

Technical Specifications of portable speaker Killer Concepts Rocksteady XS

Overall score

6.5

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Popularity

What it is: An indicator based on the number of reviews received by products in the Portable Speakers category.

When it matters: When you prefer products in the Portable Speakers category that have been chosen and reviewed by many other buyers.

Audio

6.2

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Audio output power

What it is: The maximum continuous power the speaker system can deliver.

When it matters: When you need enough output to fill a larger or noisier space.

Importance: HIGH

Good value: >= 20 W

Driver unit size

What it is: The diameter of each main speaker driver.

When it matters: When the size of the main driver influences bass reach and output capability.

Importance: HIGH

Good value: >= 50 mm

Number of drivers

What it is: The total number of speaker drivers built into the unit.

When it matters: When fuller driver arrays and broader sound coverage matter.

Importance: MEDIUM

Good value: >= 2

Frequency response tolerance

What it is: The allowed deviation around the stated frequency response curve.

When it matters: When a flatter and more accurate frequency response matters.

Importance: MEDIUM

Good value: <= 3 dB

?

Lowest frequency

What it is: The lowest audible frequency the speaker can reproduce.

When it matters: When deeper bass extension matters.

Importance: HIGH

Good value: <= 60 Hz

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Connectivity

5.5

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Bluetooth connectivity

What it is: Indicates whether the speaker can receive audio over Bluetooth.

When it matters: When wireless playback from phones, tablets, or computers matters.

Importance: MEDIUM

Good value: yes

Bluetooth version

What it is: The generation of Bluetooth supported by the speaker hardware.

When it matters: When compatibility and efficiency with newer Bluetooth devices matter.

Importance: LOW

Good value: >= 5.0

Maximum Bluetooth range

What it is: The farthest distance at which the Bluetooth link can remain usable.

When it matters: When the source device may be far from the speaker.

Importance: MEDIUM

Good value: >= 10 m

Bluetooth profiles supported

What it is: The Bluetooth operating profiles available for playback, control, or calls.

When it matters: When Bluetooth playback, control, and call compatibility depend on specific profiles.

Importance: LOW

?

Bluetooth LE Audio

What it is: Shows whether the speaker supports the low-energy Bluetooth audio standard.

When it matters: When newer low-power Bluetooth audio features matter.

Importance: LOW

Good value: yes

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Battery

5.9

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Battery life

What it is: The playback time available from one full battery charge.

When it matters: When you need longer playback between charges.

Importance: HIGH

Good value: >= 20 h

Battery capacity

What it is: The amount of electrical charge the internal battery can store.

When it matters: When longer untethered playback or power-bank use needs more stored charge.

Importance: HIGH

Good value: >= 5000 mAh

Charging time

What it is: The time needed to recharge the battery fully.

When it matters: When the speaker needs to be ready again quickly.

Importance: MEDIUM

Good value: <= 4 h

Maximum charging input power

What it is: The maximum charging power the speaker can accept from a compatible power source.

When it matters: When faster charging requires the speaker to accept more input power.

Importance: LOW

Good value: >= 20 W

?

Built-in rechargeable battery

What it is: Indicates whether the speaker uses a battery that can be recharged.

When it matters: When portable use without disposable batteries or continuous mains power matters.

Importance: LOW

Good value: yes

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Durability

6.6

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IP rating

What it is: The ingress protection code for dust and water resistance.

When it matters: When dust and water protection need to match the intended environment.

Importance: HIGH

Good value: IP67+

Water resistance

What it is: Indicates whether the enclosure can resist water exposure.

When it matters: When the speaker may be used near pools, rain, or splashes.

Importance: MEDIUM

Good value: yes

Dust resistance

What it is: Shows whether the enclosure is protected against dust ingress.

When it matters: When the speaker may be exposed to sand, soil, or dusty environments.

Importance: MEDIUM

Good value: yes

?

Waterproof depth rating

What it is: The maximum water depth the speaker is rated to withstand.

When it matters: When the speaker may be submerged or used very close to water.

Importance: MEDIUM

Good value: >= 1 m

?

Drop resistance

What it is: Indicates whether the housing is designed to survive accidental drops.

When it matters: When the speaker may be bumped or suffer an accidental fall during outdoor or travel use.

Importance: LOW

Good value: yes

?

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Controls

4.7

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On-device controls placement

What it is: The physical area of the speaker where its controls are located.

When it matters: When you want controls that are easy to reach in the speaker intended placement.

Importance: LOW

front; rear

Touchscreen

What it is: Indicates whether a touch-sensitive screen is integrated.

When it matters: When direct visual control is more convenient than buttons or an app.

Importance: LOW

Good value: yes

Smartphone app control

What it is: Shows whether the speaker can be controlled from a phone app.

When it matters: When remote settings, updates, or sound adjustment from a phone matter.

Importance: LOW

Good value: yes

?

Remote control

What it is: Indicates whether a dedicated remote control is supplied or supported.

When it matters: When you want to control playback from across the room.

Importance: LOW

Good value: yes

Fast pairing

What it is: Shows whether setup with compatible devices can be completed more quickly.

When it matters: When quick setup with compatible devices matters.

Importance: LOW

Good value: yes

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Design

9.1

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Weight

What it is: The total mass of the portable speaker.

When it matters: When carrying the speaker frequently or packing light matters.

Importance: LOW

Good value: <= 1000 g

Height

What it is: The vertical external dimension of the speaker body.

When it matters: When the speaker must fit beneath shelves or in a compact bag.

Importance: LOW

Good value: <= 20 cm

Width

What it is: The side-to-side external dimension of the speaker body.

When it matters: When the speaker must fit a narrow shelf, bag, or tabletop.

Importance: LOW

Good value: <= 25 cm

Depth

What it is: The front-to-back depth of the speaker housing.

When it matters: When the speaker should take up less front-to-back space.

Importance: LOW

Good value: <= 10 cm

Carry options

What it is: The available ways to carry, hang, or attach the speaker.

When it matters: When a handle, strap, or attachment point changes how you carry the speaker.

Importance: LOW

none

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Smart features

3.9

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Companion app name

What it is: The official app used to control settings and functions of the speaker.

When it matters: When app compatibility and the available control features depend on the official app.

Importance: LOW

?

Firmware updates

What it is: Indicates whether the speaker can receive firmware revisions after purchase.

When it matters: When post-purchase fixes and feature improvements matter.

Importance: LOW

Good value: yes

Firmware update method

What it is: The path used to install firmware updates on the speaker.

When it matters: When the convenience and reliability of installing updates matters.

Importance: LOW

USB

Voice assistant support

What it is: Indicates whether the speaker can work with supported voice assistants.

When it matters: When hands-free control through a compatible assistant matters.

Importance: LOW

Good value: yes

Spotify Connect

What it is: Shows whether Spotify can stream directly to the speaker over the network.

When it matters: When Spotify should stream directly without keeping phone audio active.

Importance: LOW

Good value: yes

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Killer Concepts Rocksteady XS vs the average portable speaker

Why is Killer Concepts Rocksteady XS better than the average portable speaker?

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Includes a subwoofer
Killer Concepts Rocksteady XS includes a subwoofer, while the average portable speaker does not include a subwoofer.
Has an integrated active subwoofer driver.
What it is: Indicates whether a dedicated low-frequency driver is included.
When it matters: When stronger low-frequency output matters without adding separate equipment.
Importance: LOW
Good value: yes
Killer Concepts Rocksteady XS includes a subwoofer, while the average portable speaker does not include a subwoofer.
Has built-in stereo speakers
Killer Concepts Rocksteady XS has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
Provides true stereo output within the unit.
What it is: Shows whether the device uses separate left and right audio channels.
When it matters: When true left-and-right channel playback matters without pairing a second speaker.
Importance: LOW
Good value: yes
Killer Concepts Rocksteady XS has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
8 dB SPL higher maximum sound pressure
Killer Concepts Rocksteady XS has a higher maximum sound pressure level than the average portable speaker (100 dB SPL vs 92.00 dB SPL).
Sound pressure level: 100.00 dB.
What it is: The maximum acoustic loudness the speaker can produce.
When it matters: When the speaker must play loudly in a large or outdoor space.
Importance: HIGH
Good value: >= 90 dB SPL
Killer Concepts Rocksteady XS has a higher maximum sound pressure level than the average portable speaker (100 dB SPL vs 92.00 dB SPL).100.00 dB SPL vs 92.00 dB SPL
Has a power bank function
Killer Concepts Rocksteady XS has a power bank function, while the average portable speaker does not have a power bank function.
What it is: Shows whether the speaker can send power to charge another device.
When it matters: When the speaker should also charge a phone or another device.
Importance: LOW
Good value: yes
Killer Concepts Rocksteady XS has a power bank function, while the average portable speaker does not have a power bank function.
1 more USB ports
Killer Concepts Rocksteady XS has more USB ports than the average portable speaker (2 vs 1).
Physical USB ports: 2.
What it is: The number of USB ports available on the speaker.
When it matters: When several wired accessories or storage devices need USB connections.
Importance: LOW
Good value: >= 1
Killer Concepts Rocksteady XS has more USB ports than the average portable speaker (2 vs 1).2 vs 1
Has a removable battery
Killer Concepts Rocksteady XS has a removable battery, while the average portable speaker does not have a removable battery.
What it is: Shows whether the battery can be removed from the speaker by the user.
When it matters: When replacing a worn battery or carrying a spare matters.
Importance: LOW
Good value: yes
Killer Concepts Rocksteady XS has a removable battery, while the average portable speaker does not have a removable battery.
Supports DLNA media sharing
Killer Concepts Rocksteady XS supports DLNA media sharing, while the average portable speaker does not support DLNA media sharing.
Supports DLNA.
What it is: Indicates whether the device follows DLNA media-sharing standards.
When it matters: When streaming from compatible devices on a local network matters.
Importance: LOW
Good value: yes
Killer Concepts Rocksteady XS supports DLNA media sharing, while the average portable speaker does not support DLNA media sharing.
Includes a power adapter
Killer Concepts Rocksteady XS includes a power adapter, while the average portable speaker does not include a power adapter.
What it is: Indicates whether a dedicated power adapter is included in the box.
When it matters: When you want the required charging hardware supplied in the box.
Importance: LOW
Good value: yes
Killer Concepts Rocksteady XS includes a power adapter, while the average portable speaker does not include a power adapter.
Includes a subwoofer
Killer Concepts Rocksteady XS includes a subwoofer, while the average portable speaker does not include a subwoofer.
Has built-in stereo speakers
Killer Concepts Rocksteady XS has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
8 dB SPL higher maximum sound pressure
Killer Concepts Rocksteady XS has a higher maximum sound pressure level than the average portable speaker (100 dB SPL vs 92.00 dB SPL).
1 more USB ports
Killer Concepts Rocksteady XS has more USB ports than the average portable speaker (2 vs 1).
Supports DLNA media sharing
Killer Concepts Rocksteady XS supports DLNA media sharing, while the average portable speaker does not support DLNA media sharing.
Has a power bank function
Killer Concepts Rocksteady XS has a power bank function, while the average portable speaker does not have a power bank function.
Has a removable battery
Killer Concepts Rocksteady XS has a removable battery, while the average portable speaker does not have a removable battery.
Includes a power adapter
Killer Concepts Rocksteady XS includes a power adapter, while the average portable speaker does not include a power adapter.
7 cm shorter
Killer Concepts Rocksteady XS is shorter than the average portable speaker (5.4 cm vs 12.4 cm).
3.54 cm shallower
Killer Concepts Rocksteady XS is shallower than the average portable speaker (4.8 cm vs 8.3 cm).
255.7 g lighter
Killer Concepts Rocksteady XS is lighter than the average portable speaker (544.3 g vs 800 g).

Why is Killer Concepts Rocksteady XS worse than the average portable speaker?

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90 Hz less deep bass extension
Killer Concepts Rocksteady XS has less deep bass extension than the average portable speaker (150 Hz vs 60.00 Hz).
Lower frequency-response endpoint: 150.00 Hz.
2,000 Hz lower maximum frequency
Killer Concepts Rocksteady XS has a lower maximum frequency than the average portable speaker (18,000 Hz vs 20,000 Hz).
Upper frequency-response endpoint: 18000 Hz.
14 W less audio output power
Killer Concepts Rocksteady XS has less audio output power than the average portable speaker (6 W vs 20.00 W).
Total RMS output: 6.00 W.
51 mm smaller built-in subwoofer
Killer Concepts Rocksteady XS has a smaller built-in subwoofer than the average portable speaker (50 mm vs 101 mm).
Built-in subwoofer diameter: 50.00 mm.
2 Bluetooth levels older
Killer Concepts Rocksteady XS has an older Bluetooth version than the average portable speaker (3 vs 5.0).
Bluetooth version: 3.0.
4 fewer paired devices remembered
Killer Concepts Rocksteady XS remembers fewer paired devices than the average portable speaker (4 vs 8).
Remembered Bluetooth devices: 4.
1,550 mAh less battery capacity
Killer Concepts Rocksteady XS has a smaller battery capacity than the average portable speaker (1,050 mAh vs 2,600 mAh).
Does not have a battery level indicator
Killer Concepts Rocksteady XS does not have a battery level indicator, while the average portable speaker has a battery level indicator.
Shows charging or power status only, not the remaining battery level.
2 hours shorter battery life
Killer Concepts Rocksteady XS has a shorter battery life than the average portable speaker (10 hours vs 12 hours).
Is not water resistant
Killer Concepts Rocksteady XS is not water resistant, while the average portable speaker is water resistant.
10 °C higher minimum operating temperature
Killer Concepts Rocksteady XS has a higher minimum operating temperature than the average portable speaker (-10 °C vs 0 °C).
Worse ingress protection
Killer Concepts Rocksteady XS has worse ingress protection than the average portable speaker (IPX4 vs IPX5).
Does not support stereo pairing
Killer Concepts Rocksteady XS does not support stereo pairing, while the average portable speaker supports stereo pairing.
True left/right stereo pairing: not supported.
Does not provide voice prompts
Killer Concepts Rocksteady XS does not provide voice prompts, while the average portable speaker provides voice prompts.
No spoken status prompts; feedback is absent, visual, or tone-based.
Does not support auto power-off
Killer Concepts Rocksteady XS does not support auto power-off, while the average portable speaker supports auto power-off.
No automatic inactivity-based power-off.
6 older
Killer Concepts Rocksteady XS was released earlier than the average portable speaker (2013 vs 2019).
Release year: 2013.
Is not water resistant
Killer Concepts Rocksteady XS is not water resistant, while the average portable speaker is water resistant.
What it is: Indicates whether the enclosure can resist water exposure.
When it matters: When the speaker may be used near pools, rain, or splashes.
Importance: MEDIUM
Good value: yes
Killer Concepts Rocksteady XS is not water resistant, while the average portable speaker is water resistant.
90 Hz less deep bass extension
Killer Concepts Rocksteady XS has less deep bass extension than the average portable speaker (150 Hz vs 60.00 Hz).
Lower frequency-response endpoint: 150.00 Hz.
What it is: The lowest audible frequency the speaker can reproduce.
When it matters: When deeper bass extension matters.
Importance: HIGH
Good value: <= 60 Hz
Killer Concepts Rocksteady XS has less deep bass extension than the average portable speaker (150 Hz vs 60.00 Hz).150.00 Hz vs 60.00 Hz
1,550 mAh less battery capacity
Killer Concepts Rocksteady XS has a smaller battery capacity than the average portable speaker (1,050 mAh vs 2,600 mAh).
What it is: The amount of electrical charge the internal battery can store.
When it matters: When longer untethered playback or power-bank use needs more stored charge.
Importance: HIGH
Good value: >= 5000 mAh
Killer Concepts Rocksteady XS has a smaller battery capacity than the average portable speaker (1,050 mAh vs 2,600 mAh).1050 mAh vs 2600 mAh
2,000 Hz lower maximum frequency
Killer Concepts Rocksteady XS has a lower maximum frequency than the average portable speaker (18,000 Hz vs 20,000 Hz).
Upper frequency-response endpoint: 18000 Hz.
What it is: The highest audible frequency the speaker can reproduce.
When it matters: When upper-treble extension and high-frequency detail matter.
Importance: MEDIUM
Good value: >= 20000 Hz
Killer Concepts Rocksteady XS has a lower maximum frequency than the average portable speaker (18,000 Hz vs 20,000 Hz).18000 Hz vs 20000 Hz
2 Bluetooth levels older
Killer Concepts Rocksteady XS has an older Bluetooth version than the average portable speaker (3 vs 5.0).
Bluetooth version: 3.0.
What it is: The generation of Bluetooth supported by the speaker hardware.
When it matters: When compatibility and efficiency with newer Bluetooth devices matter.
Importance: LOW
Good value: >= 5.0
Killer Concepts Rocksteady XS has an older Bluetooth version than the average portable speaker (3 vs 5.0).3.0 vs 5.0
14 W less audio output power
Killer Concepts Rocksteady XS has less audio output power than the average portable speaker (6 W vs 20.00 W).
Total RMS output: 6.00 W.
What it is: The maximum continuous power the speaker system can deliver.
When it matters: When you need enough output to fill a larger or noisier space.
Importance: HIGH
Good value: >= 20 W
Killer Concepts Rocksteady XS has less audio output power than the average portable speaker (6 W vs 20.00 W).6.00 W vs 20.00 W
Does not support stereo pairing
Killer Concepts Rocksteady XS does not support stereo pairing, while the average portable speaker supports stereo pairing.
True left/right stereo pairing: not supported.
What it is: Indicates whether two compatible speakers can form a stereo pair.
When it matters: When two compatible speakers should form separate left and right channels.
Importance: LOW
Good value: yes
Killer Concepts Rocksteady XS does not support stereo pairing, while the average portable speaker supports stereo pairing.
10 °C higher minimum operating temperature
Killer Concepts Rocksteady XS has a higher minimum operating temperature than the average portable speaker (-10 °C vs 0 °C).
What it is: The lowest ambient temperature recommended for normal operation.
When it matters: When the speaker must work reliably in colder conditions.
Importance: LOW
Good value: <= -10 °C
Killer Concepts Rocksteady XS has a higher minimum operating temperature than the average portable speaker (-10 °C vs 0 °C).-10 °C vs 0 °C

Graphic comparison of Killer Concepts Rocksteady XS and other products in the Portable Speakers category

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Third-party reviews

United Kingdom

United States

(Reviews last updated: August 2026)

What customers like about Killer Concepts Rocksteady XS?

Extremely loud volume capabilities for its compact size
Solid, rugged, and highly durable build quality
Long-lasting battery life with a removable and replaceable battery
Clever side-firing driver design providing crisp highs and open acoustics
Functions as a portable power bank to charge other external devices
Multipoint Bluetooth pairing allowing multiple devices to connect at once
Highly portable and lightweight footprint

What customers dislike about Killer Concepts Rocksteady XS?

Noticeable lack of deep, punching bass response
Sound can lean toward being overly bright, brittle, or tinny without custom EQ
Absence of an automatic battery-saving sleep or auto-shutoff mode
Front interface and button layout can occasionally be confusing to use
Audio distortion can occur when pushed to maximum volume limits

Expert reviews

wired.com

14/02/2013

Summary of the review

Review: RocksteadyXS Bluetooth 3.0 Speaker Delivers Killer Sound

The Wired review of the RocksteadyXS Bluetooth 3.0 Speaker highlights it as an impressive portable audio device offering exceptional detail, high-clarity highs, intuitive controls, and no distortion until maximum volume. Key advantages include its replaceable battery and USB device charging capability, although the unit lacks deep bass and suffers from distortion at top-volume levels.

thegeekchurch.com

06/02/2013

Summary of the review

RockSteady XS, a small rockin' Bluetooth Speaker

The Rocksteady XS, reviewed by The Geek Church, is a compact, brushed-aluminum Bluetooth speaker featuring impressive 100 dB loudness, a 10-hour battery life, and versatile connectivity, including a full-sized USB-A port for playback and charging. While the speaker offers high volume, it lacks significant low-end bass and suffers from a lack of automatic power-off, resulting in battery drain if left on.

frugalnetworker.com

08/03/2013

Summary of the review

The Rocksteady XS Bluetooth Speaker: A Modern Take on the Boombox of Yesteryear

The Rocksteady XS Bluetooth Speaker ($89.99) is lauded as a powerful, ultra-portable device featuring durable aluminum construction, extensive connectivity options, and over 10 hours of battery life. While the controls are noted as being somewhat crowded, the speaker is praised for delivering near-deafening, clear audio from a compact, lightweight form factor.

laptopmag.com

07/04/2013

Summary of the review

Killer Concepts Rocksteady XS Reviewed - Laptop Mag

The Laptop Mag review highlights the $99 Killer Concepts Rocksteady XS as a durable, compact Bluetooth speaker featuring a robust brushed aluminum design, high-quality audio, and over 10 hours of battery life. While praised for its performance, the speaker's primary drawback is a purely utilitarian aesthetic that lacks the premium, stylish design of competitors.

soundandvision.com

05/06/2013

Summary of the review

Review: RockSteadyXSGo to product viewer dialogue for this item.

Brent Butterworth’s review of the RockSteadyXS for Sound & Vision highlights a rugged 6.2-inch aluminum portable Bluetooth speaker featuring dual side-firing drivers, a passive radiator, and a full-size USB port for direct MP3 playback. The speaker is noted for its high 100 dB peak output at 1 meter, yet it faces the limitation of most compact "econobox" speakers, often requiring users to operate at maximum volume for a dynamic sound.

frugalnetworker.com

17/06/2013

Summary of the review

Rocksteady XS 1.5 with Speakerphone: First Impressions Android Police

The Frugal Networker review highlights the Rocksteady XS 1.5 with Speakerphone as a high-value Bluetooth speaker, featuring exceptional distortion-free sound, a durable all-aluminum casing, and a 10+ hour battery life. Key strengths include a sensitive microphone for calls, versatile USB charging/playback capabilities, and pin-free Bluetooth 3.0 pairing. Potential drawbacks noted are the speaker's tendency to sell out quickly and the requirement to manually maximize volume on both the device and the connected phone.

androidpolice.com

24/06/2013

Summary of the review

Killer Concepts Rocksteady XS 1.5 Quick Review Let me know if you need any additional audio specifications compiled or want to compare the review scor...

The Android Police review of the Killer Concepts Rocksteady XS 1.5 highlights its exceptional volume for its size and price,, recommending it as a top choice for users prioritizing loudness. While the speaker offers convenient features like an interchangeable battery, dual-device pairing, and power bank capabilities, it suffers from a lack of low-end bass.

laptopmag.com

07/04/2013

Summary of the review

Killer Concepts Rocksteady XS Reviewed - Laptop Mag

The $99 Killer Concepts Rocksteady XS is a durable, brushed-aluminum Bluetooth speaker featuring impressive, room-filling sound, 10-hour battery life, and convenient front-panel controls. While offering excellent audio performance for its size, the speaker is limited by a strictly utilitarian design and a minimal feature set lacking extra functionalities found in competitors.

wired.com

14/02/2013

Summary of the review

RocksteadyXS Bluetooth 3.0 Speaker Delivers Killer Sound

The Killer Concepts RocksteadyXS Bluetooth speaker, as reviewed by WIRED, delivers clean audio and crisp highs through a design featuring dual side speakers and a top air escape. Key advantages include intuitive controls, versatile connectivity, and a practical removable battery, while drawbacks are limited to a lack of bass depth and significant distortion at maximum volume.

androidpolice.com

24/06/2013

Summary of the review

Quick Review of Killer Concepts Rocksteady XS 1.5

The 2013 Android Police review highlights the Killer Concepts Rocksteady XS 1.5 as a portable speaker that prioritizes extreme, unadulterated volume over balanced audio performance. Pros include remarkable loudness for its size, long battery life, and power bank functionality, while the major con is a heavily compromised, thin sound signature lacking bass.

the-gadgeteer.com

15/03/2013

Summary of the review

Killer Concepts RocksteadyXS Bluetooth Speaker review

The Gadgeteer review of the Killer Concepts RocksteadyXS Bluetooth Speaker highlights its loud volume, strong bass, and a versatile, removable battery that acts as a power bank. While the speaker offers direct MP3 playback via USB, the initial version lacked speakerphone functionality, defaulted to line-in mode, and restricted pairing to one device at a time.

cultofmac.com

15/03/2013

Summary of the review

Rocksteady XS Speaker: Well Behaved, But You Should Keep It Outdoors

The Rocksteady XS, reviewed in Cult of Mac, is a $100, ultra-rugged portable Bluetooth speaker designed for outdoor use, boasting an aluminum shell, 10-hour battery life, and a loud, 100dB maximum volume. While offering versatile connectivity and intuitive controls, the speaker is optimized for volume over audio fidelity, often sounding harsh or distorted when used indoors.

9to5mac.com

23/06/2013

Summary of the review

Cover your ears: the tiny Rocksteady XS 1.5 can get loud

The 9to5Mac review of the Rocksteady XS 1.5 portable Bluetooth speaker highlights its durable, lightweight aluminum design, 10+ hour battery life, and impressive maximum volume, alongside versatile dual-device connectivity. While praised for sound output and build, the device is severely hampered by poor microphone performance, rendering the speakerphone functionality ineffective.

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