Speakers
JBL Xtreme 4 reviews
Product specifications and review coverage for this exact model.
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Product overview
JBL JBLXTREME4BLKEP 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 JBLXTREME4BLKEP. 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: JBLXTREME4BLKEP. Icecat product 118328260 · 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
Open a section for the details that matter to you.
Audio & listening9 details
| Number of speakers | 1 |
|---|---|
| Subwoofer driver diameter | 14 cm |
| Subwoofer RMS power | 100 W |
| Woofer RMS power | 30 W |
| Tweeter RMS power | 20 W |
| Frequency range | 44 - 20000 Hz |
| Signal-to-Noise Ratio (SNR) | 80 dB |
| Audio formats supported | Not supported |
| Built-in microphone | No |
Display1 detail
| Built-in display | No |
|---|
Processor, memory & storage1 detail
| Card reader integrated | No |
|---|
Connections & wireless8 details
| Bluetooth version | 5.3 |
|---|---|
| Bluetooth profiles | A2DP, AVRCP |
| 3.5 mm connector | No |
| USB connectivity | Yes |
| USB connector type | USB Type-C |
| AirPlay | No |
| Multipoint connectivity | Yes |
| Bluetooth transmitter power | 10 dBm |
Power & battery13 details
| Power source type | Battery, USB |
|---|---|
| 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 |
| USB Type-C charging port | Yes |
| USB Power Delivery (USB PD) | Yes |
| USB Type-C required charging power (min) | 15 W |
| USB Type-C required charging power (max) | 60 W |
| AC adapter included | No |
| 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, Waterproof |
| Width | 297 mm |
| Depth | 149 mm |
| Height | 141 mm |
Further product details19 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 |
| On/off switch | Yes |
| Recommended usage | Universal |
| Hands-free mode | No |
| FM radio | No |
| Amplifier | Built-in |
| Quick start guide | Yes |
| Power adapter included | Yes |
| Safety sheet | Yes |
| Power bank function | Yes |
| Shoulder strap | Yes |
Packaging & supplied accessories9 details
| Package width | 141 mm |
|---|---|
| Package depth | 297 mm |
| Package height | 149 mm |
| Package weight | 2.1 kg |
| Quantity per pack | 1 pc(s) |
| Cables included | USB Type-C |
| Manual | Yes |
| Warranty card | Yes |
| Warranty period | 2 year(s) |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.