Short answer: the Soundcore Boom 2 Plus. It ranks #39 out of 113 boombox speakers against the Yeahbox’s #59, and it costs less, so there isn’t much of a real tradeoff here.
The Boom 2 Plus’s weaknesses are tuning issues, not fundamentals. Its cons describe a warm signature with rolled-off treble and some upper bass boost, and bass that’s reasonably deep but not up to the top-ranked speakers in its class. Its pros note it’s notably lighter than most boombox speakers, at 8.4 lbs (3.8 kg) against 16.8 lbs (7.6 kg) for the Yeahbox. The Yeahbox’s own cons run deeper: it’s described as a budget import brand with limited independent testing where specs are manufacturer-claimed, and its water resistance rating is reported inconsistently, IPX6 on Yeahbox’s own site versus IP66 or IP67 on various marketplace listings.
On paper the Yeahbox claims more power and a more elaborate driver layout. It’s rated at 200W RMS with a true 3-way, 5-driver array against 140W for the Boom 2 Plus’s dual woofer and tweeter setup, and it adds microSD and USB playback the Boom 2 Plus lacks. The Boom 2 Plus counters with Soundcore’s PartyCast 2.0 multi-speaker mode, a USB-C power bank function, and a Pro EQ with presets for tuning the warm default sound.
Buy the Soundcore Boom 2 Plus for a lighter speaker with a more established, better-documented track record, at a lower price.
Buy the Yeahbox Sonic Boom Max 3 only if its 3-way driver layout appeals to you and you’re comfortable with an unverified spec sheet and inconsistent water rating claims.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Prices on this page were last checked November 7, 2026 at 7:34 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
| Soundcore Boom 2 Plus | Yeahbox Sonic Boom Max 3 | |
|---|---|---|
| Price | $169.99 | $228.99 |
| Ranked | #39 of 113 in Boombox Size Portable Bluetooth Speakers | #59 of 113 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 39Hz | - |
| Battery Life | 20 hours (Manufacturer specified) | 111Wh (14.8V/7,500mAh) (Manufacturer specified) |
| EQ | Yes (Pro EQ + presets) | Yes |
| IP Rating | IPX7 | IPX6 |
| Maximum SPL | 111dB (measured by Alan Ross Reviews) | - |
| MicroSD Playback | No | Yes |
| Party Mode | Yes (PartyCast 2.0) | - |
| Power Bank | Yes (USB-C, 5V/2A) | - |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 8.4 lbs (3.8 kg) | 16.8 lbs (7.64 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC, AAC | SBC (inferred; additional codecs unverified) |
| USB Playback | No | Yes |
| Built-in Microphone | Yes | - |
| Amplifier Power | 140W | 200W RMS / 300W Peak |
| Dimensions | 17.3” x 9.1” x 5.9” (440 x 230 x 150 mm) | 20.7” x 8.3” x 10.6” (525 x 210 x 268 mm) |
| Drivers | 2x 114mm (4.5”) woofers + 2x 19mm (0.75”) tweeters | 189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters |
| Digital Aux Input | No | No |
| Lights | Yes | Yes |
| Bluetooth Version | 5.3 | 5.3 |
| Strap | Yes (detachable strap) | No |
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