JBL Boombox 4
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JBL Boombox 4 review: Worth the upgrade?
SoundGuys1 month ago
The Most Powerful Portable Bluetooth Speaker | JBL Boombox 4 Unboxing
ប៉ូលីន-POLIN4 weeks ago
Jbl Boombox 4 Unboxing And Extreme Review!!!
Jagist reviews2 months ago
Description
A portable Bluetooth speaker featuring AI Sound Boost technology for intelligent audio processing, dual bass boost modes, and a lighter, more powerful design compared to its predecessor.
Highlights
- AI Sound Boost for real-time audio optimization with more power and less distortion
- Dual Bass Boost modes: Deep Bass and Punchy Bass
- 50% more power output on battery compared to Boombox 3
- 12% lighter design than Boombox 3
- User-replaceable battery pack
- LED-lit horn logos
- USB-C lossless audio and powerbank function
- JBL PartyBoost and Auracast support for linking speakers
- IP68 waterproof and dustproof rating
Specifications
| output power ac | 2 x 65W RMS Woofer, 2 x 40W RMS Tweeter |
| output power battery | 2 x 60W RMS Woofer, 2 x 40W RMS Tweeter |
| frequency response | 37Hz - 20kHz |
| drivers | 2 x 5\ woofers, 2 x 0.75\ tweeters, 3 passive radiators |
| battery life | Up to 28 hours (34 hours with Playtime Boost) |
| battery type | Rechargeable Li-ion 99.02Wh |
| battery replaceable | true |
| charge time | ~3 hours |
| weight | 13 lbs (5.9 kg) |
| dimensions | 506.4mm x 262.9mm x (depth not fully specified) |
| connectivity | Bluetooth 5.4, USB-C |
| bluetooth profiles | A2DP 1.4, AVRCP 1.6 |
| waterproof rating | IP68 |
| power input | 100-240 Vac, 50/60 Hz |
| signal to noise ratio | > 80 dB |
Pros and Cons
Pros
- Delivers massive sound with powerful bass while maintaining audio clarity
- Significantly lighter and more portable than previous generation
- Extended battery life up to 28-34 hours
- User-replaceable battery for long-term durability
- IP68 waterproof and dustproof for outdoor use
- Dual bass modes allow customization for different music styles
- USB-C connectivity supports lossless audio and powerbank functions
- PartyBoost feature enables linking multiple speakers
Cons
- Launch price information not available in sources
- Still relatively heavy at 13 lbs for portability
- Previous generation models may offer better value if available at lower prices
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