Short answer: the JBL Boombox 4 for better sound quality, the Yeahbox Sonic Boom Max 3 for the lower price. The JBL Boombox 4 ranks #17 of 73 boombox speakers at $549.95. The Yeahbox Sonic Boom Max 3 ranks #38 at $228.99, $320.96 cheaper.
On the JBL Boombox 4 side: Pretty insane output capability for the size, with 7-band EQ for better tuning than the Boombox 3. The catch: It’s overpriced for the category, sounds worse than the Boombox 3 out of the box, and drops Aux input entirely.
What the Yeahbox Sonic Boom Max 3 gets right: 200W RMS (300W peak) true 3-way, 5-driver array. 111Wh (14.8V/7,500mAh) battery with fast charging up to 60W. Watch for: 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).
Buy the JBL Boombox 4 if sound quality matters more than the price. Buy the Yeahbox Sonic Boom Max 3 if the price matters more than sound quality.
Specifications Side By Side
| JBL Boombox 4 | Yeahbox Sonic Boom Max 3 | |
|---|---|---|
| Price | $549.95 | $228.99 |
| Ranked | #17 of 73 in Boombox Size Portable Bluetooth Speakers | #38 of 73 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 41Hz | - |
| Battery Life | 28 hours (Manufacturer specified) | 111Wh (14.8V/7,500mAh) (Manufacturer specified) |
| EQ | Yes (7 band) | Yes |
| IP Rating | IP68 | IPX6 |
| Bluetooth Latency | AAC 144ms, SBC 48ms | - |
| Max Volume | 115dB | - |
| Party Mode | Yes (Auracast) | - |
| Power Input | AC Power cord | USB-C |
| Removable Battery | Yes | - |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| Weight | 13.2 lbs / 5.98 kg | 16.8 lbs / 7.64 kg |
| Bluetooth Codecs | SBC, LC3, AAC | - |
| Bluetooth Version | 5.4 | 5.3 |
| Built in Microphone | No | - |
| Power Bank | Yes (USB-C, up to 30W) | - |
| TWS | Yes | Yes |
| Digital Aux Input | Yes (USB-C) | No |
| USB Playback | No | Yes |
| FM Tuner | No | - |
| Microphone Input | No | - |
| MicroSD Playback | No | Yes |
| Output Power | 210W AC / 200W battery | 200W RMS / 300W Peak |
| Dimensions | 20.1" x 10.2" x 8.3" (510 x 260 x 210 mm) | 20.7" x 8.3" x 10.6" (525 x 210 x 268 mm) |
| Drivers | 2x 123mm woofers + 2x 20mm tweeters with passive radiators | 189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters |
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Prices on this page were last checked August 21, 2026 at 5:30 AM 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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The Two Speakers In Full
JBL Boombox 4: $549.95 Amazon Bhphotovideo eBay
Pros: Pretty insane output capability for the size.
Cons: Pretty overpriced for the category. Better than the Boombox 3 mostly because there are more 7 EQ bands instead of just 3 and it can be better tuned. Try Oluv’s EQ for it. Out of the box sounds worse than the Boombox 3. No Aux input.
Full JBL Boombox 4 review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 41Hz |
| Battery Life | 28 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, LC3, AAC |
| Bluetooth Latency | AAC 144ms, SBC 48ms |
| Bluetooth Version | 5.4 |
| Built in Microphone | No |
| Digital Aux Input | Yes (USB-C) |
| Dimensions | 20.1" x 10.2" x 8.3" (510 x 260 x 210 mm) |
| Drivers | 2x 123mm woofers + 2x 20mm tweeters with passive radiators |
| EQ | Yes (7 band) |
| FM Tuner | No |
| IP Rating | IP68 |
| Max Volume | 115dB |
| MicroSD Playback | No |
| Microphone Input | No |
| Omnidirectional | No |
| Output Power | 210W AC / 200W battery |
| Party Mode | Yes (Auracast) |
| Power Bank | Yes (USB-C, up to 30W) |
| Power Input | AC Power cord |
| Removable Battery | Yes |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 13.2 lbs / 5.98 kg |
- Links
- Reviews, Comparisons and Sound Samples
- JOY‘s 🎧3D🔈Audio-Show: JBL Boombox 4 vs Boombox 3 - old one sounding better? 🤔 More from Oluv’Sone →
- JOY‘s 🎧3D🔈Audio-Show: JBL Boombox 4 vs Earfun UBoom X - sound test
- JOY‘s 🎧3D🔈Audio-Show: JBL Boombox 4 vs Boombox 3 - any improvement?
- JOY‘s 🎧3D🔈Audio-Show: JBL Boombox 4 vs Partybox Encore 2 - outdoor loudness & basstest
- JOY‘s 🎧3D🔈Audio-Show: JBL Boombox 4 - finally a real BOOMbox from JBL 👏
- Alan Ross Reviews: JBL Boombox 4 HUMILIATES Brane X?! Ultimate Bass Battle! More from alanrossreviews →
- Alan Ross Reviews: JBL Boombox 4 Compared to Boombox 3 & 3 WiFi – Worth the Upgrade?
- Alan Ross Reviews: JBL Boombox 4 distortion fest bonanza! how bad can it be lol 🤣
- Jagist reviews: Jbl Boombox 4 Vs Zealot Ze21!!! More from Jagistreviews →
- Techder Audios: JBL Boombox 4 VS Zealot ZE21 BATTLE OF THE BOOMBOXES! More from techderaudios →
- Dominik Reviews: Zealot S89 vs JBL Boombox 4 - JBL Alternative? Sound Test More from Dominik Reviews →
- Jagist reviews: Jbl Boombox 4 Vs Zealot S89!!!
- Jagist reviews: Jbl Boombox 4 Vs Zealot S95!!!
- Reddit Search for JBL Boombox 4 Review
- Head-to-Head Comparisons
- JBL Boombox 4 vs Zealot S89
- JBL Boombox 4 vs Harman Kardon Go + Play 2
- JBL Boombox 4 vs Zealot ZE21
- JBL Boombox 4 vs Harman Kardon Onyx Studio 5
- JBL Boombox 4 vs Zealot ZE41
- JBL Boombox 4 vs JBL Boombox 3 Wifi
- JBL Boombox 4 vs JBL Boombox 3
- JBL Boombox 4 vs Harman Kardon Onyx Studio 9
- See all 76 comparisons
Yeahbox Sonic Boom Max 3: $228.99 Amazon eBay
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).
Full Yeahbox Sonic Boom Max 3 review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 111Wh (14.8V/7,500mAh) (Manufacturer specified) |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 20.7" x 8.3" x 10.6" (525 x 210 x 268 mm) |
| Drivers | 189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters |
| EQ | Yes |
| IP Rating | IPX6 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| 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
- Oluv Patreon: Zealot S89 vs Yeahbox Sonic Boom Max 3 More from Oluv’Sone →
- Oluv Patreon: Zealot S89 vs Yeahbox Sonic Boom Max 3
- Joy & Oluv’Sone: Zealot S89 vs Yeahbox Sonic Boom Max 3 - indoor listening fun
- Joy & Oluv’Sone: Zealot S89 vs Yeahbox Sonic Boom Max3 - outdoor test
- Reddit Search for Yeahbox Sonic Boom Max 3 Review
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