The Zealot PT21 is rated 4.1/5 for sound quality, #12 of 53 Party Size Portable Bluetooth Speakers. See all Portable Bluetooth rankings for every top pick.
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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Brand: Zealot
#12 Zealot PT21: $225.86 AliExpress $225.86 eBay
Pros: A lighter party speaker with surprisingly deep bass for the money, a long battery, and a wireless mic for karaoke. Dual 166mm woofers and 200W output in a lighter, more compact body than the Zealot ZE41, with a bundled wireless microphone and echo effect built in for karaoke. Quite deep bass for the price, even deeper than the JBL Boombox 4 in direct comparisons.
Cons: Unlike some other Zealot models, app-based EQ customization doesn’t appear to be fully supported yet, and IPX5 means it can handle splashes but not submersion.
Is the Zealot PT21 right for you?
Buy it if
- you want long battery life (claimed 60 hours).
- you want to charge your phone from it.
- you want stereo sound from a single speaker.
Skip it if
- you want something easy to carry (9.4 kg).
| Released | Nov 2025 (1 year ago) |
|---|---|
| Amplifier Power | 200W |
| App | No |
| Aux Input | Yes |
| Battery Capacity | 48000mAh (12x4000mAh) |
| Battery Life | 60 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 21.1” x 8.6” x 11.9” (535 x 219 x 303 mm) |
| Drivers | 2x 166mm woofers + tweeters + midrange drivers |
| EQ | Yes (Bass, Voice, Standard modes) |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX5 |
| Lights | Yes |
| MicroSD Playback | Yes |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | Yes (PartyAdd up to 100 speakers) |
| Power Bank | Yes (USB-A) |
| Power Input | Type-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 20.7 lbs (9.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Techder Audios: Zealot PT21 - Soundtest "BUDGET PARTYBOX WITH BASS ?" More from techderaudios →
- Techder Audios: Zealot PT21 VS Yeahbox Sonic Boom Ultra "BASS VS QUALITY BASS!?"
- Jagist reviews: Zealot PT21 Slim Back Rattle Fix!!!😇😇😇 More from Jagistreviews →
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- Jagist reviews: Zealot PT21 Unboxing And Review!!! 😈😈😈
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Questions about the Zealot PT21? Ask other owners on r/WirelessSpeakers.
