Short answer: the JBL Boombox 3. It ranks #27 of 113 boombox speakers by sound quality, rated 3.8/5, at $349.95. The Onn Pro X Large Boom Boombox ranks #49, rated 3.4/5, at $199, $150.95 cheaper, which does not close the gap in sound quality.
The JBL Boombox 3 is the better-sounding option. A loud, fully waterproof boombox with a dedicated subwoofer, a 24 hour battery and power bank charging. The catch: Dips in mid bass range which makes the bass sound undefined, bass boosted, peaky at 700Hz, not quite as good mids and treble as the Blast.
The case for the Onn Pro X Large Boom Boombox: A powerful, waterproof party boombox with a 20 hour battery and light modes at a low price. It has an adjustable EQ, which the JBL Boombox 3 lacks. The tradeoff: Bass not as deep as higher ranked speakers like the JBL Boombox 3, JBL Boombox 4, or Tribit Stormbox Blast.
Buy the JBL Boombox 3. It is rated higher for sound quality, and saving $150.95 with the Onn Pro X Large Boom Boombox does not make up for the sound-quality gap.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Prices on this page were last checked November 14, 2026 at 6:17 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| JBL Boombox 3 | Onn Pro X Large Boom Boombox | |
|---|---|---|
| Price | $349.95 | $199.00 |
| Ranked | #27 of 113 in Boombox Size Portable Bluetooth Speakers | #49 of 113 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Aux Latency | 25ms | - |
| Bass Extension (-10dB) | 43Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| IP Rating | IP67 | IP67 |
| Bluetooth Latency | 100ms | - |
| Maximum SPL | 110dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (PartyBoost up to 100 speakers) | Yes (Auracast) |
| Power Input | AC Power cable | AC Power cord |
| Stereo | Yes | - |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 14.8 lbs (6.7 kg) | 17.2 lbs (7.8 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC (inferred; additional codecs unverified) |
| App | No | - |
| EQ | No | Yes (Bass Boost) |
| Power Bank | Yes (USB-A) | Yes (USB-A, 5V/2A) |
| USB Playback | No | - |
| Built-in Microphone | No | - |
| FM Tuner | No | - |
| Microphone Input | No | - |
| MicroSD Playback | No | - |
| Amplifier Power | 180W AC / 136W battery | 180W RMS (540W peak) |
| Dimensions | 19” x 10.1” x 7.9” (482 x 257 x 200 mm) | 20.1” x 10.3” x 9” (510 x 261 x 228 mm) |
| Drivers | 1x 189mm subwoofer + 2x 81mm woofers + 2x 20mm tweeters | 5 speakers |
| Digital Aux Input | No | No |
| Bluetooth Version | 5.3 | 5.4 (Manufacturer specified) |
| Strap | No | - |
| Removable Battery | - | No |
| Frequency Response | - | 50Hz - 20kHz (Manufacturer specified) |
| Lights | - | Yes |
Where the Ratings Come From
- JBL Boombox 3: reviews by JOY‘s 🎧3D🔈Audio-Show, Oluv and Alan Ross.
- Onn Pro X Large Boom Boombox: reviews by Josh’s Gadgets and More.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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