Short answer: the JBL Authentics 300 for the higher ranking, the Yeahbox Sonic Boom Max 3 for the lower price. The JBL Authentics 300 ranks #30 of 70 boombox speakers at $299.95. The Yeahbox Sonic Boom Max 3 ranks #37 at $228.99, $70.96 cheaper.
What the JBL Authentics 300 gets right: Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). The tradeoff: Narrow sounding, bass not as deep as others.
On the Yeahbox Sonic Boom Max 3 side: 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.
Buy the JBL Authentics 300 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
| JBL Authentics 300 | Yeahbox Sonic Boom Max 3 | |
|---|---|---|
| Price | $299.95 | $228.99 |
| Ranked | #30 of 70 in Boombox Size Portable Bluetooth Speakers | #37 of 70 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Bass Extension (-10dB) | 45Hz | - |
| Battery Life | 8 hours (Manufacturer specified) | 111Wh (14.8V/7,500mAh) (Manufacturer specified) |
| EQ | Yes (App EQ) | Yes |
| IP Rating | None | IPX6 |
| Max Volume | 100dB | - |
| Party Mode | Yes (JBL One) | - |
| Power Input | AC Power cable | USB-C |
| Stereo | Partially (1 woofer) | Yes |
| TWS | Yes | Yes |
| Weight | 10.8 lbs / 4.9 kg | 16.8 lbs / 7.64 kg |
| Wifi | Yes | - |
| Bluetooth Codecs | SBC | - |
| Power Bank | No | - |
| USB Playback | Yes | Yes |
| Built in Microphone | Yes | - |
| MicroSD Playback | No | Yes |
| Aux Input | No | Yes |
| Output Power | 100W | 200W RMS / 300W Peak |
| Dimensions | 342mm x 195.6mm x 180.3mm | 20.67" x 8.27" x 10.55" (525 x 210 x 268 mm) |
| Drivers | 1" tweeter + 4" woofer + passive radiators | 189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters |
| Bluetooth Version | - | 5.3 |
The Two Speakers In Full
JBL Authentics 300: $299.95 Amazon
Pros: Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). Retro seventies design with leather and Quadrex grille. 100-watt amp, carries well with leather-trimmed handle. Rechargeable battery rated ~8 hours.
Cons: Narrow sounding, bass not as deep as others. Peaky upper mids. No TWS. No IP rating. Not as loud as others. Not much battery life.
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 45Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | Yes |
| Dimensions | 342mm x 195.6mm x 180.3mm |
| Drivers | 1" tweeter + 4" woofer + passive radiators |
| EQ | Yes (App EQ) |
| IP Rating | None |
| Max Volume | 100dB |
| MicroSD Playback | No |
| Output Power | 100W |
| Party Mode | Yes (JBL One) |
| Power Bank | No |
| Power Input | AC Power cable |
| Stereo | Partially (1 woofer) |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 10.8 lbs / 4.9 kg |
| Wifi | Yes |
- Reviews, Comparisons and Sound Samples
- 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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- 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.