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JBL
JBL BoomBox 4
The JBL Boombox 4 is a powerful portable Bluetooth speaker that delivers massive sound, deep bass, and an impressive battery life of up to 34 hours with Playtime Boost. It features AI Sound Boost for optimized audio, is IP68 waterproof and dustproof, and supports multi-speaker connectivity via Auracast.
Specs:
|
Connectivity |
Bluetooth 5.4, USB-C (lossless audio playback), AC-in |
|
Output Power (AC Mode) |
2x 65W RMS Woofer, 2x 40W RMS Tweeter |
|
Output Power (Battery Mode) |
2x 60W RMS Woofer, 2x 40W RMS Tweeter |
|
Drivers |
2x 5-inch (123mm) woofers, 2x 0.75-inch (20mm) tweeters, 3 passive radiators |
|
Frequency Response |
37 Hz – 20 kHz |
|
Signal-to-Noise Ratio |
> 80 dB |
|
Battery Life |
Up to 28 hours (up to 34 hours with Playtime Boost) |
|
Charging Time |
3 hours |
|
Additional Features |
AI Sound Boost, Dual Bass Boost settings (Deep/Punchy), User-replaceable battery (sold separately) |