Suomi 
English 
Eesti 
Latviski 
Lietuvių 
Nederlands 
Polski 
Русский 
Hrvatski 
Slovenčina 
JBL Boombox 4 Portable Bluetooth Party Speaker Black
General
| Product Name | JBL Boombox 4 Portable Bluetooth Party Speaker |
|---|---|
| Color | Black |
| Region | - |
| Model Number | JBLBOOMBOX4BLKEU |
| Category | Portable Bluetooth Party Speaker |
| Release Year | 2025 |
Audio
| Speaker Configuration | 2 x 123 mm (5-inch) woofers, 2 x 20 mm (0.75-inch) tweeters, 3 passive radiators |
|---|---|
| Output Power (AC Mode) | 2 x 65 W RMS (woofers) + 2 x 40 W RMS (tweeters) |
| Output Power (Battery Mode) | 2 x 60 W RMS (woofers) + 2 x 40 W RMS (tweeters) |
| Frequency Response | 37 Hz - 20 kHz |
| Signal-to-Noise Ratio | > 80 dB |
| Sound Technology | JBL Pro Sound with AI Sound Boost |
| Bass Enhancement | Dual Bass Boost modes |
| Stereo Pairing | Supported via Auracast-compatible devices |
Connectivity
| Wireless Technology | Bluetooth 5.4 |
|---|---|
| Bluetooth Profiles | A2DP 1.4, AVRCP 1.6 |
| Bluetooth Frequency Range | 2.400 GHz - 2.4835 GHz |
| Bluetooth Transmitter Power | ≤ 14 dBm (EIRP) |
| Bluetooth Modulation | GFSK, π/4 DQPSK, 8DPSK |
| Multi-Speaker Technology | Auracast |
| USB Audio | USB-C lossless audio playback |
| USB Charging | Power bank functionality via USB-C |
| Wired Inputs | USB-C, AC power input |
| 3.5 mm Audio Jack | No |
Battery
| Battery Type | Rechargeable Li-ion battery pack |
|---|---|
| Battery Capacity | 99.02 Wh |
| Playback Time | Up to 28 hours |
| Playtime Boost | Up to 6 additional hours |
| Charging Time | Approximately 3 hours |
| Replaceable Battery | Yes |
Design
| Dimensions | 51.0 x 26.0 x 21.0 cm |
|---|---|
| Dimensions (Imperial) | 20.0 x 10.0 x 8.0 inches |
| Weight | 5.89 kg |
| Weight (Imperial) | 13.0 lb |
| Carrying Handle | Integrated ergonomic handle |
| Construction | Rugged portable design with recycled plastic and fabric materials |
Durability
| Water Resistance | IP68 |
|---|---|
| Dust Resistance | IP68 |
| Outdoor Use | Beach, poolside, backyard, camping |
Features
| AI Sound Boost | Yes |
|---|---|
| Auracast Support | Yes |
| Power Bank Function | Yes |
| JBL Portable App Support | Yes |
| Firmware Updates | Over-the-air via JBL Portable app |
| Lossless Audio Playback | Supported via USB-C |
Power
| Power Input | 100 - 240 V AC, 50/60 Hz |
|---|---|
| Power Cable | Detachable AC power cable |
| Cable Length | 2 m (6.6 ft) |
In The Box
| Speaker | 1 x JBL Boombox 4 |
|---|---|
| Power Cable | 1 x AC power cable (EU plug) |
| Documentation | Quick start guide, warranty card, safety sheet |
Identifiers
| MPN | JBLBOOMBOX4BLKEP |
|---|---|
| GTIN / EAN / UPC | 1200130024221 |
