Short answer: the Zealot S89 on measured sound quality, the Tronsmart Bang Max on price. The Zealot S89 ranks #18 of 75 boombox speakers at $259.99. The Tronsmart Bang Max ranks #36 at $229.99, $30 cheaper.
What the Zealot S89 offers: A 7.3kg boombox with a claimed 36Hz bass extension, 40-hour battery life, IPX6 protection, USB-C charging, aux, USB and microSD playback, TWS and multi-speaker PartyAdd. Listener comparisons find it capable of very high output and substantial bass for outdoor use. Watch for: At high volume, listener reports describe the bass as loose or muddy and the overall balance as less clear than better boombox speakers. The heavy cabinet and basic finish also make it less polished for daily portability, while its multiple EQ modes cannot substitute for a genuinely neutral tuning.
What the Tronsmart Bang Max offers: A powerful, feature-rich party speaker with loud, bass-rich output, app EQ, power-bank capability, lighting, TWS/multi-speaker linking, and separate microphone and guitar inputs with independent level control. Reviews find it can fill a large room even at moderate volume, while SoundPulse or custom EQ gives it useful flexibility for parties and casual karaoke. Watch for: Its bass-first tuning prioritizes impact over accuracy: upper mids and lower treble can sound unnatural, while fine midrange and treble detail are limited. Deep Bass mode can swallow the rest of the mix, volume control is imprecise and some reviewers hear distortion above roughly 98dB. It is a party tool, not a neutral monitor.
Buy the Zealot S89 if sound quality is the priority over the price, or the Tronsmart Bang Max if the price is the priority over sound quality.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Zealot S89 | Tronsmart Bang Max | |
|---|---|---|
| Price | $259.99 | $229.99 |
| Ranked | #18 of 75 in Boombox Size Portable Bluetooth Speakers | #36 of 75 in Boombox Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 36Hz | 39Hz |
| Battery Life | 40 hours (Manufacturer specified) | - |
| EQ | Yes (multiple modes) | Yes (multiple modes) |
| IP Rating | IPX6 | IPX6 |
| Bluetooth Codecs | SBC | SBC |
| MicroSD Playback | Yes | Yes |
| Party Mode | Yes (PartyAdd up to 100 speakers) | No |
| Power Input | USB-C | AC Power brick |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 16.1 lbs (7.3 kg) | 12.8 lbs (5.8 kg) |
| Power Bank | Yes (USB-A + USB-C) | Yes (USB-A) |
| USB Playback | Yes | No |
| Built-in Microphone | No | No |
| Amplifier Power | 250W | 130W |
| Dimensions | 21.2" x 10.4" x 9.4" (538 x 265 x 240 mm) | 18.5" x 7.8" x 10.2" (470 x 199 x 260 mm) |
| Drivers | 130W subwoofer + 2x 40mm drivers + 2x tweeters | 2x ~165mm (6.5") woofers + 2x ~63mm (2.5") mid drivers + 2x ~25mm (1") tweeters |
| Digital Aux Input | No | No |
| Aux Latency | - | 16ms |
| Bluetooth Latency | - | 160ms |
| Maximum SPL | - | 111dB (measured by Alan Ross Reviews) |
| Lights | - | Yes |
Related Speaker Comparisons
More worthwhile head-to-heads for Zealot S89:
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- Harman Kardon Go + Play 3 vs Zealot S89
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- JBL Partybox Encore vs Zealot S89
Prices on this page were last checked September 16, 2026 at 12:41 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
Zealot S89: $259.99 Amazon Aliexpress eBay
Pros: A 7.3kg boombox with a claimed 36Hz bass extension, 40-hour battery life, IPX6 protection, USB-C charging, aux, USB and microSD playback, TWS and multi-speaker PartyAdd. Listener comparisons find it capable of very high output and substantial bass for outdoor use. Measured bass extension of 36Hz (-10dB).
Cons: At high volume, listener reports describe the bass as loose or muddy and the overall balance as less clear than better boombox speakers. The heavy cabinet and basic finish also make it less polished for daily portability, while its multiple EQ modes cannot substitute for a genuinely neutral tuning.
Full Zealot S89 review and specifications →
| Amplifier Power | 250W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 36Hz |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 21.2" x 10.4" x 9.4" (538 x 265 x 240 mm) |
| Drivers | 130W subwoofer + 2x 40mm drivers + 2x tweeters |
| EQ | Yes (multiple modes) |
| IP Rating | IPX6 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Party Mode | Yes (PartyAdd up to 100 speakers) |
| Power Bank | Yes (USB-A + USB-C) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 16.1 lbs (7.3 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Oluv Patreon: Zealot S89 vs Yeahbox Boom Max3 - indoor listening test More from Oluv’Sone →
- Oluv Patreon: Zealot S89 vs Yeahbox Sonic Boom Max3 - outdoor test
- Dominik Reviews: Zealot S89 vs JBL Boombox 4 - JBL Alternative? Sound Test More from Dominik Reviews →
- Jagist reviews: Jbl Boombox 4 Vs Zealot S89!!! More from Jagistreviews →
- Techder Audios: ZEALOT S89 VS ZEALOT ZE01 EXTREME POWERFULL VS COMPACTER BASS PERFORMANCE! More from techderaudios →
- Head-to-Head Comparisons
Tronsmart Bang Max: $229.99 Tronsmart eBay
Pros: A powerful, feature-rich party speaker with loud, bass-rich output, app EQ, power-bank capability, lighting, TWS/multi-speaker linking, and separate microphone and guitar inputs with independent level control. Reviews find it can fill a large room even at moderate volume, while SoundPulse or custom EQ gives it useful flexibility for parties and casual karaoke. Measured bass extension of 39Hz (-10dB).
Cons: Its bass-first tuning prioritizes impact over accuracy: upper mids and lower treble can sound unnatural, while fine midrange and treble detail are limited. Deep Bass mode can swallow the rest of the mix, volume control is imprecise and some reviewers hear distortion above roughly 98dB. It is a party tool, not a neutral monitor.
Full Tronsmart Bang Max review and specifications →
| Amplifier Power | 130W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Aux Latency | 16ms |
| Bass Extension (-10dB) | 39Hz |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 160ms |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 18.5" x 7.8" x 10.2" (470 x 199 x 260 mm) |
| Drivers | 2x ~165mm (6.5") woofers + 2x ~63mm (2.5") mid drivers + 2x ~25mm (1") tweeters |
| EQ | Yes (multiple modes) |
| IP Rating | IPX6 |
| Lights | Yes |
| Maximum SPL | 111dB (measured by Alan Ross Reviews) |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | AC Power brick |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | No |
| Weight | 12.8 lbs (5.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Tronsmart Bang Max Review, JBL Boombox 3 wannabe 130w More from alanrossreviews →
- Techder Audios: Zealot ZE01 VS Tronsmart Bang Max SOLID VOCALS VS DEEPER BASS More from techderaudios →
- Jay’s Straight Up Reviews & More: Triple Threat Match 🔺 SkullCandy Barrel XT, Tribit Blast & Tronsmart Bang Max 📛 Bluetooth Boombox 🔋 More from JaysStraightUpReviews →
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