These sit in different size classes, so this is not a straight ranking comparison. The JBL Partybox 330 ranks #2 of 53 party speakers by sound quality at $629.95; the Zealot S89 ranks #19 of 113 boombox speakers by sound quality at $193.58.
Why pick the JBL Partybox 330: A rolling party speaker with deep bass, a removable battery, a light show and inputs for mics and a guitar. The tradeoff: It remains very large and heavy, and the sound improvement over the JBL Partybox Stage 320 is modest rather than transformational.
The Zealot S89 is the longer-running, lighter option. A great value boombox with deep bass, very high volume, a 40 hour battery and water resistance for outdoor parties. It is rated for 40 hours of battery against 18 for the JBL Partybox 330. At 16.1 lbs (7.3 kg) it weighs much less than the JBL Partybox 330 at 37.7 lbs (17.1 kg). It is rated IPX6 against IPX4 for the JBL Partybox 330. The tradeoff: At high volume, listener reports describe the bass as loose or muddy and the overall balance as less clear than better boombox speakers.
Buy the JBL Partybox 330 ($629.95) for a party speaker; the Zealot S89 ($193.58) suits a boombox speaker instead.
Looking for alternatives? See the complete Portable Bluetooth rankings.
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
| JBL Partybox 330 | Zealot S89 | |
|---|---|---|
| Price | $629.95 | $193.58 |
| Ranked | #2 of 53 in Party Size Portable Bluetooth Speakers | #19 of 113 in Boombox Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Life | 18 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Bluetooth Version | 6.0 | 5.3 |
| Charging Time | 3 hours | - |
| Drivers | 2x 6.5” (165mm) woofers + 2x 1” (25mm) PEN dome tweeters | 130W subwoofer + 2x 40mm drivers + 2x tweeters |
| EQ | Yes (Smart EQ mode) | Yes (multiple modes) |
| Guitar Input | Yes | - |
| IP Rating | IPX4 | IPX6 |
| Microphone Input | Yes (Karaoke mode with echo effect) | - |
| Inputs | Optical | - |
| Party Mode | Yes (Auracast) | Yes (PartyAdd up to 100 speakers) |
| Power Bank | Yes (USB-C, 5V/1A) | Yes (USB-A + USB-C) |
| Power Input | AC Power cord | USB-C |
| Removable Battery | Yes | - |
| Stereo | Partially | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | Yes |
| Weight | 37.7 lbs (17.1 kg) | 16.1 lbs (7.3 kg) |
| Amplifier Power | 280W | 250W |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Wheels | Yes | - |
| Dimensions | 26.1”H x 13.1”W x 14.8”D (662.5 x 334 x 375 mm) | 21.2” x 10.4” x 9.4” (538 x 265 x 240 mm) |
| Strap | No | No |
| Bass Extension (-10dB) | - | 36Hz |
| MicroSD Playback | - | Yes |
| Built-in Microphone | - | No |
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