Short answer: the Aiwa Exos-9 for the higher ranking, the Yeahbox Sonic Boom Max 3 for the lower price. The Aiwa Exos-9 ranks #8 of 70 boombox speakers at $250. The Yeahbox Sonic Boom Max 3 ranks #37 at $228.99, $21.01 cheaper.
The case for the Aiwa Exos-9: Still a great sounding speaker even against today’s models. The tradeoff: Features are lacking, generally not recommended anymore, not sold new anymore.
What the Yeahbox Sonic Boom Max 3 gets right: 200W RMS (300W peak) true 3-way, 5-driver array. Set against that: A budget import brand with limited independent testing - specs are manufacturer-claimed.
One note: the Aiwa Exos-9 is discontinued, but it still ranks #8 of 70 boombox speakers, ahead of most of what is still sold new, so it is worth considering used.
Buy the Aiwa Exos-9 if the ranking matters more than the price. Buy the Yeahbox Sonic Boom Max 3 if the price matters more than the ranking.
Specifications Side By Side
| Aiwa Exos-9 | Yeahbox Sonic Boom Max 3 | |
|---|---|---|
| Price | $250 Discontinued | $228.99 |
| Ranked | #8 of 70 in Boombox Size Portable Bluetooth Speakers | #37 of 70 in Boombox Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 44Hz | - |
| Battery Life | 10 hours (Manufacturer specified) | 111Wh (14.8V/7,500mAh) (Manufacturer specified) |
| Bluetooth Codecs | SBC | - |
| Built in Microphone | Yes | - |
| EQ | Yes (5-band graphic EQ + 4 presets) | Yes |
| IP Rating | None | IPX6 |
| Party Mode | No | - |
| Power Input | AC Power cable | USB-C |
| Stereo | Yes | Yes |
| TWS | Yes | Yes |
| Weight | 15.2 lbs / 6.9 kg | 16.8 lbs / 7.64 kg |
| Power Bank | Yes | - |
| USB Playback | No | Yes |
| FM Tuner | No | - |
| Microphone Input | Yes (with adapter) | - |
| Output Power | 200W | 200W RMS / 300W Peak |
| Dimensions | 19.4" x 7.5" x 11.7" | 20.67" x 8.27" x 10.55" (525 x 210 x 268 mm) |
| Drivers | 6.5" dual voice coil woofer + 2x 3" midwoofers + 2x 1" silk dome tweeters | 189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters |
| Discontinued | Yes | - |
| MicroSD Playback | - | Yes |
| Bluetooth Version | - | 5.3 |
The Two Speakers In Full
Aiwa Exos-9: $250 Discontinued
Pros: Still a great sounding speaker even against today’s models.
Cons: Features are lacking, generally not recommended anymore, not sold new anymore. No water rating. Discontinued.
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 44Hz |
| Battery Life | 10 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | Yes |
| Dimensions | 19.4" x 7.5" x 11.7" |
| Discontinued | Yes |
| Drivers | 6.5" dual voice coil woofer + 2x 3" midwoofers + 2x 1" silk dome tweeters |
| EQ | Yes (5-band graphic EQ + 4 presets) |
| FM Tuner | No |
| IP Rating | None |
| Microphone Input | Yes (with adapter) |
| Output Power | 200W |
| Party Mode | No |
| Power Bank | Yes |
| Power Input | AC Power cable |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 15.2 lbs / 6.9 kg |
- Buy Used
- Head-to-Head Comparisons
- Links
Yeahbox Sonic Boom Max 3: $228.99 Amazon
Pros: 200W RMS (300W peak) true 3-way, 5-driver array. 111Wh (14.8V/7,500mAh) battery with fast charging up to 60W. Bluetooth 5.3 with stereo TWS pairing, plus aux, USB, and microSD playback.
Cons: A budget import brand with limited independent testing - specs are manufacturer-claimed, and its water/dust rating is reported inconsistently across listings (IPX6 on Yeahbox’s own site, IP66 or IP67 on various marketplace listings).
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 111Wh (14.8V/7,500mAh) (Manufacturer specified) |
| Bluetooth Version | 5.3 |
| Dimensions | 20.67" x 8.27" x 10.55" (525 x 210 x 268 mm) |
| Drivers | 189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters |
| EQ | Yes |
| IP Rating | IPX6 |
| MicroSD Playback | Yes |
| Output Power | 200W RMS / 300W Peak |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 16.8 lbs / 7.64 kg |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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- Yeahbox Sonic Boom Max 3 vs W-King H10
- Yeahbox Sonic Boom Max 3 vs Zealot ZE41
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- Yeahbox Sonic Boom Max 3 vs EcoXGear Defender
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- Yeahbox Sonic Boom Max 3 vs Harman Kardon Onyx Studio 7
- Yeahbox Sonic Boom Max 3 vs ION Pathfinder 280
- Yeahbox Sonic Boom Max 3 vs ION Pathfinder 4
- Yeahbox Sonic Boom Max 3 vs JBL Authentics 300
- Yeahbox Sonic Boom Max 3 vs JBL Partybox On the Go
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- Yeahbox Sonic Boom Max 3 vs Soundcore Boom 2 Plus
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- Yeahbox Sonic Boom Max 3 vs Zealot ZE21
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.