Speakers
JBL Xtreme 4 reviews
Product specifications and review coverage for this exact model.
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Product overview
JBL JBLXTREME4BLKUK is listed in the portable & party speakers category. The recorded specifications include connectivity technology: Wireless; bluetooth: Yes; rms rated power: 30 W. This entry covers manufacturer code JBLXTREME4BLKUK. Specifications relate to this exact source record; other editions or packages may differ.
Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.
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Specifications
Manufacturer code: JBLXTREME4BLKUK. Icecat product 118328259 · Checked 15 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Rated audio power (RMS) | 30 W |
|---|---|
| Connectivity technology | Wireless |
| Bluetooth | Yes |
| Wi-Fi | No |
| Water and dust resistance (IP rating) | IP67 |
| Maximum stated battery life | 24 h |
| Weight | 2.1 kg |
More product specifications
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Audio & listening6 details
| Number of speakers | 1 |
|---|---|
| Woofer RMS power | 30 W |
| Tweeter RMS power | 20 W |
| Frequency range | 44 - 20000 Hz |
| Signal-to-Noise Ratio (SNR) | 80 dB |
| Built-in microphone | No |
Processor, memory & storage1 detail
| Card reader integrated | No |
|---|
Connections & wireless7 details
| Bluetooth version | 5.3 |
|---|---|
| Bluetooth profiles | A2DP, AVRCP |
| 3.5 mm connector | No |
| USB connectivity | Yes |
| USB connector type | USB Type-C |
| Multipoint connectivity | Yes |
| Bluetooth transmitter power | 10 dBm |
Power & battery7 details
| Battery type | Built-in battery |
|---|---|
| Battery capacity | 68 Wh |
| Battery voltage | 7.2 V |
| Battery recharge time | 3.5 h |
| USB output voltage | 5 V |
| Battery technology | Lithium-Ion (Li-Ion) |
| Rechargeable battery | Yes |
Controls & features1 detail
| Volume control | Buttons |
|---|
Design & dimensions6 details
| Product type | Stereo portable speaker |
|---|---|
| Product colour | Black |
| Protection features | Dust resistant, Splash proof, Waterproof |
| Width | 297 mm |
| Depth | 149 mm |
| Height | 141 mm |
Further product details18 details
| Tweeter | Yes |
|---|---|
| Number of tweeter drivers | 2 |
| Tweeter diameter (imperial) | 1.91 cm (0.75") |
| Tweeter diameter | 2 cm |
| Woofer | Yes |
| Number of woofer drivers | 1 |
| Woofer diameter (imperial) | 6.98 cm (2.75") |
| Woofer diameter | 7 cm |
| AUX in | No |
| AC (power) in | Yes |
| On/off switch | Yes |
| Recommended usage | Universal |
| FM radio | No |
| Quick start guide | Yes |
| Power adapter included | Yes |
| Safety sheet | Yes |
| Power bank function | Yes |
| Shoulder strap | Yes |
Packaging & supplied accessories3 details
| Quantity per pack | 1 pc(s) |
|---|---|
| Manual | Yes |
| Warranty card | Yes |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.