The JBL Boombox 4 is a premium, high-power portable Bluetooth speaker engineered for massive sound, deep bass, and heavy-duty outdoor durability. It serves as a major upgrade over its predecessor, bringing smarter audio processing, better battery flexibility, and a lighter frame. Read more
The JBL Boombox 4 is a premium, high-power portable Bluetooth speaker engineered for massive sound, deep bass, and heavy-duty outdoor durability. It serves as a major upgrade over its predecessor, bringing smarter audio processing, better battery flexibility, and a lighter frame.
| Specifications | Descriptions |
|---|---|
| Raw Power Output: | Delivers up to 210W RMS when plugged into AC power and 200W RMS while operating on battery. |
| AC Driver Breakdown: | 2 x 65W RMS Woofers + 2 x 40W RMS Tweeters. |
| Battery Driver Breakdown: | 2 x 60W RMS Woofers + 2 x 40W RMS Tweeters. |
| Transducers / Drivers: | Two 5-inch (123mm) woofers, two 0.75-inch (20mm) tweeters, and 3 passive radiators. |
| Frequency Response: | 37 Hz – 20 kHz. |
| Signal-to-Noise Ratio: | > 80 dB. |
| Sound Modes: | Dual hardware Bass Boost settings including Deep Bass and Punchy Bass modes |
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