Short answer: Zealot PT21 is the bass-and-karaoke value play, while JBL Partybox 110 is the safer choice for a neutral party-speaker sound. The Zealot uses dual 166mm woofers and includes a wireless mic, but its app EQ support is uncertain; JBL gives up some bass depth for a more balanced presentation.
Buy the Zealot PT21 if deep bass and bundled karaoke hardware are your priorities.
Buy the JBL Partybox 110 if you want the more neutral-sounding party speaker.
Battery life favors the Zealot PT21: rated for 60 hours against 12 hours for the JBL Partybox 110.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Zealot PT21 | JBL Partybox 110 | |
|---|---|---|
| Price | $216.73 | $379.95 |
| Ranked | #12 of 39 in Party Size Portable Bluetooth Speakers | #9 of 39 in Party Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | Yes | Yes |
| Battery Capacity | 48000mAh (12x4000mAh) | - |
| Bluetooth Version | 5.3 | 5.1 |
| Dimensions | 21.1” x 8.6” x 11.9” (535 x 219 x 303 mm) | 22.4”H x 11.6”W x 11.8”D (568 x 295 x 300 mm) |
| Drivers | 2x 166mm woofers + tweeters + midrange drivers | 2x 5.25” woofers, 2x 2.25” tweeters |
| EQ | Yes (Bass, Voice, Standard modes) | Yes (3 band) |
| 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 |
| Party Mode | Yes (PartyAdd up to 100 speakers) | No |
| 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 | Yes |
| USB Playback | Yes | Yes |
| Weight | 20.7 lbs (9.4 kg) | 23.8 lbs (10.8 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) |
| Bass Extension (-10dB) | - | 41Hz |
| Charging Time | - | 3.5 hours |
| Guitar Input | - | Yes |
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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
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- Head-to-Head Comparisons
JBL Partybox 110: $379.95 Amazon eBay
Pros: Very neutral sound, slightly better than the Partybox 100. Measured bass extension of 41Hz (-10dB).
Cons: Bass isn’t as deep as the Partybox 100. Just as loud and slightly deeper than a Stormbox Blast which is way smaller with better sound. Increase treble one step in the app to make it more neutral.
Full JBL Partybox 110 review and specifications →
| Amplifier Power | 160W |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Bass Extension (-10dB) | 41Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.1 |
| Charging Time | 3.5 hours |
| Digital Aux Input | No |
| Dimensions | 22.4”H x 11.6”W x 11.8”D (568 x 295 x 300 mm) |
| Drivers | 2x 5.25” woofers, 2x 2.25” tweeters |
| EQ | Yes (3 band) |
| Guitar Input | Yes |
| IP Rating | IPX4 |
| Lights | Yes |
| Microphone Input | Yes (Karaoke mode with echo effect) |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A, 5V/2.1A) |
| Power Input | AC Power cord |
| Stereo | Partially |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 23.8 lbs (10.8 kg) |
- Links
- Reviews, Comparisons and Sound Samples
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- KULAS TECH SHOW: JBL Partybox on the go vs JBL Partybox 110 Bass Comparison More from KULASTECHSHOW20 →
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