Short answer: the Onn Large Party gen 2 for value, the Zealot PT21 for bass and loudness. The Onn has a handle and wheels for easy moving and costs nearly $96.86 less, but it is not quite as loud and not as deep in the bass as the PT21. The PT21’s dual 166mm woofers deliver quite deep bass for the price and it bundles a wireless mic with echo.
Buy the Zealot PT21. It is rated higher for sound quality, and the $96.86 you would save on the Onn Large Party gen 2 does not close the gap.
Battery life favors the Zealot PT21: rated for 60 hours against 12 hours for the Onn Large Party gen 2.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Zealot PT21 | Onn Large Party gen 2 | |
|---|---|---|
| Price | $216.73 | $129 |
| Ranked | #12 of 39 in Party Size Portable Bluetooth Speakers | #15 of 39 in Party Size Portable Bluetooth Speakers |
| App | No | No |
| Aux Input | Yes | Yes |
| Battery Capacity | 48000mAh (12x4000mAh) | - |
| Bluetooth Version | 5.3 | - |
| Dimensions | 21.1” x 8.6” x 11.9” (535 x 219 x 303 mm) | 22.5”H x 11.6”W x 11.8”D (571 x 295 x 300 mm) |
| Drivers | 2x 166mm woofers + tweeters + midrange drivers | Dual 8” (203mm) woofers + dual tweeters |
| EQ | Yes (Bass, Voice, Standard modes) | No |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) | - |
| IP Rating | IPX5 | IPX4 |
| Microphone Input | Yes (Karaoke mode with echo effect) | Yes (Karaoke mode with echo effect) |
| MicroSD Playback | Yes | - |
| Amplifier Power | 200W | 160W RMS (640W peak) |
| Party Mode | Yes (PartyAdd up to 100 speakers) | Yes (Party Sync Mode) |
| Power Bank | Yes (USB-A) | Yes (USB-A, 5V/2.1A) |
| Power Input | Type-C | AC Power cord |
| Stereo | Yes | Partially |
| Omnidirectional | No | No |
| TWS | Yes | No |
| USB Playback | Yes | No |
| Weight | 20.7 lbs (9.4 kg) | 20.9 lbs (9.5 kg) |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Lights | Yes | Yes |
| Battery Life | 60 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| FM Tuner | - | Yes |
| Guitar Input | - | Yes |
| Wheels | - | Yes |
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More worthwhile head-to-heads for Zealot PT21:
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Prices on this page were last checked September 24, 2026 at 10:28 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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The Two Speakers In Full
Zealot PT21: $216.73 Aliexpress eBay
Pros: Dual 166mm woofers and 200W output in a lighter, more compact body than the 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.
Full Zealot PT21 review and specifications →
| Amplifier Power | 200W |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Capacity | 48000mAh (12x4000mAh) |
| Battery Life | 60 hours (Manufacturer specified) |
| 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
- Jagist reviews: Zealot PT21 Vs Jbl Boombox 4!!! 😁😁😁 More from Jagistreviews →
- Techder Audios: Zealot PT21 - Soundtest "BUDGET PARTYBOX WITH BASS ?" More from techderaudios →
- Jagist reviews: Zealot PT21 Vs Zealot Ze21!!! 🥰😍🥰
- Jagist reviews: Zealot PT21 Unboxing And Review!!! 😈😈😈
- Techder Audios: Zealot PT21 VS Yeahbox Sonic Boom Ultra "BASS VS QUALITY BASS!?"
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- Head-to-Head Comparisons
Onn Large Party gen 2: $129 Walmart eBay
Pros: A remarkably full-featured, manageable 9.5kg party speaker: wheels and handle, FM radio, aux, USB-A charging, mic and guitar inputs with karaoke echo, and Party Sync. Independent testing confirms bass with real impact and enough output for a large room; it is a clear improvement over the Gen 1 for low-end weight.
Cons: The low price shows in the refinement. Consumer Reports found boomy bass, hazy/grainy mids, a prominent smeared treble and a narrow, two-dimensional soundfield; it also notes distortion or other audio issues. There is no app or EQ to tame the tuning, and IPX4 only covers splashes rather than rain or immersion.
Full Onn Large Party gen 2 review and specifications →
| Amplifier Power | 160W RMS (640W peak) |
|---|---|
| App | No |
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Digital Aux Input | No |
| Dimensions | 22.5”H x 11.6”W x 11.8”D (571 x 295 x 300 mm) |
| Drivers | Dual 8” (203mm) woofers + dual tweeters |
| EQ | No |
| FM Tuner | Yes |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Lights | Yes |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | Yes (Party Sync Mode) |
| Power Bank | Yes (USB-A, 5V/2.1A) |
| Power Input | AC Power cord |
| Stereo | Partially |
| TWS | No |
| USB Playback | No |
| Weight | 20.9 lbs (9.5 kg) |
| Wheels | Yes |
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: ONN Large Party Speaker Gen. 2 & 1 🔉 🔉 How To Do TWS & TWS Sound Demo. Bluetooth Speakers in Garage More from JaysStraightUpReviews →
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- Williston Audio Labs: This Walmart Bluetooth Speaker is INCREDIBLE More from Williston Audio Labs →
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