Short answer: the Zealot S89. It ranks #19 of 113 boombox speakers by sound quality, rated 4.0/5, at $193.58; the Hopestar A90 ranks #22, rated 3.9/5, and costs $351.65, which makes this an easy call rather than a real tradeoff.
The Zealot S89 is the longer-running 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 8 for the Hopestar A90. It has an adjustable EQ, which the Hopestar A90 lacks. 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.
Why pick the Hopestar A90: A huge, powerful boombox with deep bass, clear highs, a removable battery and a wireless microphone for big outdoor parties. The catch: The JBL Partybox Encore Essential 2 was the better, more refined listen in a direct comparison.
Buy the Zealot S89. It is rated higher for sound quality than the Hopestar A90 and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Prices on this page were last checked November 14, 2026 at 6:17 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
| Zealot S89 | Hopestar A90 | |
|---|---|---|
| Price | $193.58 | $351.65 |
| Ranked | #19 of 113 in Boombox Size Portable Bluetooth Speakers | #22 of 113 in Boombox Size Portable Bluetooth Speakers |
| App | No | No |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 36Hz | - |
| Battery Life | 40 hours (Manufacturer specified) | 6-8 hours (Manufacturer specified) |
| EQ | Yes (multiple modes) | No |
| IP Rating | IPX6 | IPX6 |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | - |
| MicroSD Playback | Yes | Yes |
| Party Mode | Yes (PartyAdd up to 100 speakers) | Yes (Auracast) |
| Power Input | USB-C | - |
| Stereo | Yes | - |
| Omnidirectional | No | No |
| TWS | Yes | - |
| Weight | 16.1 lbs (7.3 kg) | - |
| Power Bank | Yes (USB-A + USB-C) | - |
| USB Playback | Yes | Yes |
| Built-in Microphone | No | - |
| Amplifier Power | 250W | 700W |
| Dimensions | 21.2” x 10.4” x 9.4” (538 x 265 x 240 mm) | 24.6” x 9.9” x 13.4” (624.5 x 252.5 x 341.5 mm) |
| Drivers | 130W subwoofer + 2x 40mm drivers + 2x tweeters | 2x 5” woofers + 2x 3.5” midranges + 2x 2.5” tweeters + 2x 2” ceramic tweeters |
| Digital Aux Input | No | - |
| Bluetooth Version | 5.3 | 5.4 |
| Strap | No | - |
| Removable Battery | - | Yes |
| Frequency Response | - | 50Hz - 20kHz (Manufacturer specified) |
| Wireless Microphones | - | Yes 1 Included |
| Lights | - | Yes |
Where the Ratings Come From
- Zealot S89: reviews by Joy & Oluv’Sone, Oluv and Dominik.
- Hopestar A90: reviews by Jagist.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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