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Products in this category are scored under Frontum Portable Speakers Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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JAM Heavy Metal HX P920 Review | 130 Data compared

Avg. price:~£45Audio output power:?Battery life:8 hoursIP rating:?Bluetooth version:?Weight:?

JAM Heavy Metal HX P920 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.

JAM Heavy Metal HX P920
6.1/10

Overall score

Score
6.1/ 10
✕
What it is
An overall evaluation of products in the Portable Speakers category, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best products in the Portable Speakers category.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 84% of models
Score components

80%

5.6

Technical score

20%

8.3

User score

â–¼Worse than 84% of portable speakers
7.3

Value for money

Value for money
7.3/ 10
✕
What it is
An indicator that combines the overall score of products in the Portable Speakers category with their prices.
When it matters
When you are comparing products in the Portable Speakers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 79% of models
Score components

70%

6.1

Overall score

30%

10

Price

â–¼Worse than 79%
5.6

Technical score

Technical score
5.6/ 10
✕
What it is
An assessment of technical performance for products in the Portable Speakers category across these key areas: Audio, Connectivity, Battery, Durability, Controls, Design, Smart features.
When it matters
When you want to compare products in the Portable Speakers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 95% of models
Score components

32%

5.9

Audio

20%

4.9

Battery

18%

6.4

Durability

16%

5.7

Connectivity

8%

3.8

Controls

3%

8.0

Design

3%

4.7

Smart features

â–¼Worse than 95%
8.3

User score

User score
8.3/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
When it matters
When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 74% of models
Score components

70%

8.5

User ratings

30%

7.6

Number of reviews

Based on ratings from across the web.
â–²Better than 74%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of portable speaker JAM Heavy Metal HX P920

Technical score
Technical score
5.6/ 10
✕
What it is
An assessment of technical performance for products in the Portable Speakers category across these key areas: Audio, Connectivity, Battery, Durability, Controls, Design, Smart features.
When it matters
When you want to compare products in the Portable Speakers category by technical performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 95% of models
Score components:

32%

5.9

Audio

20%

4.9

Battery

18%

6.4

Durability

16%

5.7

Connectivity

8%

3.8

Controls

3%

8.0

Design

3%

4.7

Smart features

5.6
User score
User score
8.3/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Portable Speakers category.
When it matters
When you want to know how products in the Portable Speakers category perform in everyday use and how reliable owners find them over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 74% of models
Score components

70%

8.5

User ratings

30%

7.6

Number of reviews

Based on ratings from across the web.
8.3
Popularity
Popularity
7.6/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 75% of models
Popularity:
JAM Heavy Metal HX P920 has a popularity score of 7.6 points, which is higher than 75.2% of products in this category.
7.6
Value for money
Value for money
7.3/ 10
✕
What it is
An indicator that combines the overall score of products in the Portable Speakers category with their prices.
When it matters
When you are comparing products in the Portable Speakers category and want a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 79% of models
Score components:

70%

6.1

Overall score

30%

10

Price

7.3
Audio output power
?
Driver unit size
45 mm
Market range: <38 mm – >101 mm
This portable speaker has a driver unit size of 45 mm which is smaller than that of 60.9% of portable speakers and equal to that of 8.6% of portable speakers.
Number of drivers
2
Market range: <0 – >5
This portable speaker has 2 drivers, which is more than 24.5% of portable speakers and equal to the number in 45.5% of portable speakers.
Frequency response tolerance
?
Lowest frequency
120 Hz
Market range: <20 Hz – >120 Hz
This portable speaker has a lowest frequency of 120 Hz which is higher than that of 90% of portable speakers and equal to that of 1.8% of portable speakers.
Show more
Bluetooth connectivity
yes
This portable speaker supports Bluetooth audio. 5.4% of portable speakers offer this feature.
Bluetooth version
?
Maximum Bluetooth range
10 m
Market range: <10 m – >30 m
This portable speaker has a maximum Bluetooth range of 10 m which is longer than that of 4.3% of portable speakers and equal to that of 70.2% of portable speakers.
Bluetooth profiles supported
?
Bluetooth LE Audio
no
This portable speaker does not support Bluetooth LE Audio. 2.5% of portable speakers offer this feature.
Show more
Battery life
8 hours
Market range: <6 hours – >24 hours
This portable speaker has a battery life of 8 hours which is shorter than that of 68.9% of portable speakers and equal to that of 11.6% of portable speakers.
Battery capacity
800 mAh
Market range: <900 mAh – >6.6k mAh
This portable speaker has a battery capacity of 800 mAh which is smaller than that of 90.8% of portable speakers and equal to that of 2.4% of portable speakers.
Charging time
3 hours
Market range: <2 hours – >5 hours
This portable speaker has a charging time of 3 hours which is shorter than that of 35.5% of portable speakers and equal to that of 35.1% of portable speakers.
Maximum charging input power
?
Built-in rechargeable battery
yes
This portable speaker has a built-in rechargeable battery. 18.7% of portable speakers offer this feature.
Show more
IP rating
?
Water resistance
no
This portable speaker is not water resistant. 61.7% of portable speakers offer this feature.
Dust resistance
no
This portable speaker is not rated as dust resistant. 51.5% of portable speakers offer this feature.
Waterproof depth rating
?
Drop resistance
?
Show more
On-device controls placement
?
Touchscreen
?
Smartphone app control
no
This portable speaker does not support smartphone app control. 54% of portable speakers offer this feature.
No compatible mobile app for speaker control.
Remote control
no
This portable speaker does not include a remote control. 15% of portable speakers offer this feature.
Fast pairing
no
This portable speaker does not support fast pairing. 22.5% of portable speakers offer this feature.
Show more
Weight
?
Height
6 cm
Market range: <5.79 cm – >29 cm
This portable speaker has a height of 6 cm which is shorter than that of 88.1% of portable speakers and equal to that of 1.2% of portable speakers.
Width
20.1 cm
Market range: <7.6 cm – >37 cm
This portable speaker has a width of 20.1 cm which is wider than that of 57.2% of portable speakers and equal to that of 0.3% of portable speakers.
Depth
6 cm
Market range: <4.3 cm – >19.97 cm
This portable speaker has a depth of 6 cm which is shallower than that of 73.3% of portable speakers and equal to that of 2% of portable speakers.
Carry options
none
Show more
Companion app name
?
Firmware updates
no
This portable speaker does not support firmware updates. 47.2% of portable speakers offer this feature.
Firmware update method
?
Voice assistant support
no
This portable speaker does not support voice assistants. 26.5% of portable speakers offer this feature.
Supports direct voice-assistant control.
Spotify Connect
no
This portable speaker does not support Spotify Connect. 10.8% of portable speakers offer this feature.
Show more

JAM Heavy Metal HX P920 vs the average portable speaker

246810TotalAudioConnectivityBatteryDurabilityControlsDesignSmart features
  • Has built-in stereo speakers
    This portable speaker has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
    Provides true stereo output within the unit.
  • 6.4 cm shorter
    This portable speaker is shorter than the average portable speaker (6 cm vs 12.4 cm).
    6 cm vs 12.4 cm
  • Has built-in stereo speakers
    This portable speaker has built-in stereo speakers, while the average portable speaker does not have built-in stereo speakers.
    Provides true stereo output within the unit.
  • 6.4 cm shorter
    This portable speaker is shorter than the average portable speaker (6 cm vs 12.4 cm).
    6 cm vs 12.4 cm
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • Is not rated as dust resistant
    This portable speaker is not rated as dust resistant, while the average portable speaker is dust resistant.
  • 5,000 Hz lower maximum frequency
    This portable speaker has a lower maximum frequency than the average portable speaker (15,000 Hz vs 20,000 Hz).
    15,000 Hz vs 20,000 Hz
  • 60 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (120 Hz vs 60 Hz).
    120 Hz vs 60 Hz
  • 1,800 mAh less battery capacity
    This portable speaker has a smaller battery capacity than the average portable speaker (800 mAh vs 2,600 mAh).
    800 mAh vs 2,600 mAh
  • Does not support smartphone app control
    This portable speaker does not support smartphone app control, while the average portable speaker supports smartphone app control.
    No compatible mobile app for speaker control.
  • 4 hours shorter battery life
    This portable speaker has a shorter battery life than the average portable speaker (8 hours vs 12 hours).
    8 hours vs 12 hours
  • Does not support stereo pairing
    This portable speaker does not support stereo pairing, while the average portable speaker supports stereo pairing.
  • 3.3% worse value for money
    JAM Heavy Metal HX P920 offers worse value for money than the average portable speaker (7.3 vs 7.5).
    7.3 vs 7.55
  • 5,000 Hz lower maximum frequency
    This portable speaker has a lower maximum frequency than the average portable speaker (15,000 Hz vs 20,000 Hz).
    15,000 Hz vs 20,000 Hz
  • 60 Hz less deep bass extension
    This portable speaker has less deep bass extension than the average portable speaker (120 Hz vs 60 Hz).
    120 Hz vs 60 Hz
  • 5 mm smaller main driver
    This portable speaker has a smaller main driver than the average portable speaker (45 mm vs 50 mm).
    45 mm vs 50 mm
  • 1 dB SPL lower maximum sound pressure
    This portable speaker has a lower maximum sound pressure level than the average portable speaker (91 dB SPL vs 92 dB SPL).
    91 dB SPL vs 92 dB SPL
  • 1,800 mAh less battery capacity
    This portable speaker has a smaller battery capacity than the average portable speaker (800 mAh vs 2,600 mAh).
    800 mAh vs 2,600 mAh
  • 4 hours shorter battery life
    This portable speaker has a shorter battery life than the average portable speaker (8 hours vs 12 hours).
    8 hours vs 12 hours
  • Does not have a battery level indicator
    This portable speaker does not have a battery level indicator, while the average portable speaker has a battery level indicator.
  • Is not water resistant
    This portable speaker is not water resistant, while the average portable speaker is water resistant.
  • Is not rated as dust resistant
    This portable speaker is not rated as dust resistant, while the average portable speaker is dust resistant.
  • Does not support smartphone app control
    This portable speaker does not support smartphone app control, while the average portable speaker supports smartphone app control.
    No compatible mobile app for speaker control.
  • Does not support stereo pairing
    This portable speaker does not support stereo pairing, while the average portable speaker supports stereo pairing.
  • Does not support True Wireless Stereo
    This portable speaker does not support True Wireless Stereo, while the average portable speaker supports True Wireless Stereo.

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Expert reviews

In-depth analysis and verdict from leading tech publications

T
trustedreviews.com
14/07/2016
Summary of the review
Jam Heavy Metal HX-P920Go to product viewer dialogue for this item. Review
W
whathifi.com
04/12/2019
Summary of the review
Jam Heavy Metal HX-P920 review If you need further details, let me know if you would like to look up user review scores or compare this model's techni...
T
techadvisor.com
02/08/2016
Summary of the review
Jam Heavy Metal Bluetooth wireless stereo speaker review
T
thetestpit.com
27/09/2016
Summary of the review
REVIEW: Jam Heavy Metal Bluetooth Speaker | The Test Pit
L
likehifi.de
19/05/2016
Summary of the review
JAM Heavy Metal Bluetooth Speaker: The Powerhouse
(Translated)Show original
C
computerbase.de
19/11/2016
Summary of the review
7 Bluetooth Speakers Tested: The Right Choice for...
(Translated)Show original
A
afdigitale.it
10/02/2017
Summary of the review
Jam Heavy Metal HX-P920: out-of-this-world bass
(Translated)Show original

Third-party reviews

Based on ratings from across the web.
Reviews last updated: August 2026 · How we calculate this

What customers like about JAM Heavy Metal HX P920

  • Excellent sound clarity with a balanced tone and crisp treble
  • Deep, impressive bass response enhanced by dual passive radiators
  • Premium, solid build quality featuring an anodized aluminium body
  • Exceptional value for money, rivaling speakers at double its price
  • Generous 8-hour battery life on a moderate single charge
  • Compact form factor making it convenient to place anywhere
  • Strong room-filling volume despite its modest physical size

What customers don't like about JAM Heavy Metal HX P920

  • Noticeably heavy for its size, which can affect travel portability
  • No on-screen or connected battery percentage indicator to show remaining charge
  • Abrupt low-battery warning where the speaker flashes red and shuts off quickly
  • Short USB charging cable included in the box
  • Button layout and command functions are not very intuitive
  • Automatic power-off feature cannot be disabled
  • Lacks water or splash-resistant protection

Verdict

The JAM Heavy Metal HX-P920 is a compact, portable Bluetooth 4.0 speaker housed in a premium anodized aluminum chassis measuring 200 x 60 x 60 mm. It delivers a powerful 20W stereo output driven by dual 45mm active drivers paired with dual passive bass radiators, providing an impactful, room-filling sound with a frequency response of 120 Hz to 15,000 Hz. Main advantages include its robust and stylish build quality, impressive bass extension for its size, an integrated speakerphone microphone, voice prompts, a 30-foot wireless range, and a 3.5mm AUX input alongside its micro-USB rechargeable battery that yields up to 8 hours of playback. However, it suffers from a lack of water or weather resistance, omits premium features like NFC and aptX support, lacks a battery life indicator, and features a low-quality integrated microphone that exhibits poor voice clarity during calls.

Compare JAM Heavy Metal HX P920 with other products in the Portable Speakers category

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