Short answer: the Onn XL Wireless Party Speaker on measured sound quality, the Zealot PT21 on price. The Onn XL Wireless Party Speaker ranks #14 of 50 party speakers at $249. The Zealot PT21 ranks #15 at $225.86, $23.14 cheaper.
What the Onn XL Wireless Party Speaker offers: An exceptional value in a party speaker. Includes 2 wireless microphones. Wheels and a built-in handle for easy transport. 5 multicolor LED lighting effects. Control display on the unit. Watch for: A little bright up top, not quite as well balanced as the JBL Partybox 330.
What the Zealot PT21 offers: 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. Watch for: Unlike some other Zealot models, app-based EQ customization doesnโt appear to be fully supported yet, and IPX5 means it can handle splashes but not submersion.
Buy the Onn XL Wireless Party Speaker if sound quality matters more than the price. Buy the Zealot PT21 if the price matters more than sound quality.
Specifications Side By Side
| Onn XL Wireless Party Speaker | Zealot PT21 | |
|---|---|---|
| Price | $249.00 | $225.86 |
| Ranked | #14 of 50 in Party Size Portable Bluetooth Speakers | #15 of 50 in Party Size Portable Bluetooth Speakers |
| Weight | 44 lbs / 19.96 kg | 20.7 lbs / 9.4 kg |
| Dimensions | 30.1"H x 15.7"W x 15.5"D (765.0 x 400.0 x 392.9 mm) | 21.1" x 8.6" x 11.9" (535 x 219 x 303 mm) |
| Drivers | Dual 8" (203mm) woofers + dual 2" (51mm) tweeters | 2x 166mm woofers + tweeters + midrange drivers |
| Output Power | 240W | 200W |
| Battery Life | 16 hours (Manufacturer specified) | - |
| IP Rating | IPX4 | IPX5 |
| Microphone Input | Yes (2 inputs, karaoke mode) | Yes (Karaoke mode with echo effect) |
| Wireless Microphones | Yes 2 Included | - |
| Guitar Input | Yes | - |
| Power Input | AC Power cord | Type-C |
| Power Bank | Yes (USB-A) | Yes (USB-A) |
| Aux Input | Yes | Yes |
| Removable Battery | No | - |
| Omnidirectional | No | No |
| App | - | No |
| Battery Capacity | - | 48000mAh (12x4000mAh) |
| Bluetooth Version | - | 5.3 |
| EQ | - | Yes (Bass, Voice, Standard modes) |
| Frequency Response | - | 20Hz - 20kHz (Manufacturer specified) |
| MicroSD Playback | - | Yes |
| Party Mode | - | Yes (PartyAdd up to 100 speakers) |
| Stereo | - | Yes |
| TWS | - | Yes |
| USB Playback | - | Yes |
| Digital Aux Input | - | No |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Teufel Rockster Air 2 vs Klipsch Gig XXL
- Teufel Rockster Air 2 vs Earfun Uboom X
- Teufel Rockster Air 2 vs Tribit Stormbox Blast
- Zealot PT21 vs Zealot ZE21
- Zealot PT21 vs Zealot S89
Prices on this page were last checked August 31, 2026 at 3:59 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
Onn XL Wireless Party Speaker: $249.00 Walmart eBay
Pros: An exceptional value in a party speaker. Includes 2 wireless microphones. Wheels and a built-in handle for easy transport. 5 multicolor LED lighting effects. Control display on the unit.
Cons: A little bright up top, not quite as well balanced as the JBL Partybox 330.
Full Onn XL Wireless Party Speaker review and specifications →
| Aux Input | Yes |
|---|---|
| Battery Life | 16 hours (Manufacturer specified) |
| Dimensions | 30.1"H x 15.7"W x 15.5"D (765.0 x 400.0 x 392.9 mm) |
| Drivers | Dual 8" (203mm) woofers + dual 2" (51mm) tweeters |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Microphone Input | Yes (2 inputs, karaoke mode) |
| Omnidirectional | No |
| Output Power | 240W |
| Power Bank | Yes (USB-A) |
| Power Input | AC Power cord |
| Removable Battery | No |
| Weight | 44 lbs / 19.96 kg |
| Wireless Microphones | Yes 2 Included |
- Links
- Reviews, Comparisons and Sound Samples
- Jayโs Straight Up Reviews & More: ONN XL Party Speaker Review & Demo ๐ฒ Is This The Next Big Thing In Party/Karaoke Speakers? More from JaysStraightUpReviews โ
- Jayโs Straight Up Reviews & More: ONN XL Party Speaker vs. Two Large Gen. 2 Party Speakers. ONN With The Showdown๐ Plugged In
- Jayโs Straight Up Reviews & More: ONN XL Party Speaker vs JBL Partybox 320. Outdoors, Battery Powered.
- Head-to-Head Comparisons
- Onn XL Wireless Party Speaker vs Teufel Rockster Air 2
- Onn XL Wireless Party Speaker vs Electro-Voice Everse 8
- Onn XL Wireless Party Speaker vs Bose S1 Pro
- Onn XL Wireless Party Speaker vs Teufel Rockster Neo
- Onn XL Wireless Party Speaker vs Sony SRS-XP700
- Onn XL Wireless Party Speaker vs Electrotec Stage One
- Onn XL Wireless Party Speaker vs Sony SRS-XP500
- Onn XL Wireless Party Speaker vs Electro-Voice Everse 12
- See all 49 comparisons
Zealot PT21: $225.86 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 doesnโt appear to be fully supported yet, and IPX5 means it can handle splashes but not submersion.
Full Zealot PT21 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Capacity | 48000mAh (12x4000mAh) |
| 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 |
| MicroSD Playback | Yes |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Output Power | 200W |
| 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!!! ๐๐๐ More from Jagistreviews โ
- Techder Audios: Zealot PT21 - Soundtest โBUDGET PARTYBOX WITH BASS ?โ More from techderaudios โ
- Jagist reviews: Zealot PT21 Vs Zealot Ze21!!! ๐ฅฐ๐๐ฅฐ
- Jagist reviews: Zealot PT21 Unboxing And Review!!! ๐๐๐
- Techder Audios: Zealot PT21 VS Yeahbox Sonic Boom Ultra โBASS VS QUALITY BASS!?โ
- Jagist reviews: Zealot Ze41 Vs Zealot PT21!!! BATTLE OF THE BROTHERS!!! ๐๐๐
- Jagist reviews: Zealot PT21 Vs Yeahbox Sonic Boom Max3!!! ๐ฅ๐ฅ๐ฅ
- Jagist reviews: Zealot PT21 Vs Zealot S89!!! ๐๐๐
- Jagist reviews: Zealot PT21 Vs LG xboom Stage301!!! ๐ซฃ๐ซฃ๐ซฃ
- Jagist reviews: Zealot PT21 Slim Back Rattle Fix!!!๐๐๐
- Head-to-Head Comparisons


