JBL Partybox 100 vs Zealot PT21: Which Is Better? (2026)

Q: Should I buy the JBL Partybox 100 or the Zealot PT21?

Buy the Zealot PT21 new; the JBL Partybox 100 is no longer sold new, so it only makes sense as a used find.

Short answer: the Zealot PT21 for karaoke features and output, the JBL Partybox 100 for sound. The PT21 packs dual 166mm woofers and 200W of output into a lighter, more compact body than the ZE41, with a bundled wireless microphone and echo effect, but app EQ support is incomplete and IPX5 only handles splashes. The Partybox 100 is the more neutral speaker with pretty deep bass, its flaw a slight upper-mid peak.

Buy the Zealot PT21 new; the JBL Partybox 100 is no longer sold new, so it only makes sense as a used find.

Water resistance is not close: the Zealot PT21 is rated at IPX5 (water jets), well ahead of the JBL Partybox 100 at no water resistance.

Want more options? Browse the full Portable Bluetooth rankings.

Buy the Zealot PT21 at AliExpress ($225.86) →Buy the JBL Partybox 100 at Amazon ($499.99) →

Specifications Side By Side

	JBL Partybox 100	Zealot PT21
Price	$499.99 Discontinued	$225.86
Ranked	#8 of 43 in Party Size Portable Bluetooth Speakers	#12 of 43 in Party Size Portable Bluetooth Speakers
App	No	No
Aux Input	Yes	Yes
Bass Extension (-10dB)	41Hz	-
Battery Life	12 hours (Manufacturer specified)	60 hours (Manufacturer specified)
Bluetooth	Yes	Yes
Bluetooth Codecs	SBC	SBC (inferred; additional codecs unverified)
Bluetooth Version	4.2	5.3
Charging Time	6.5 hours	-
Dimensions	11.3” x 21.7” x 11.4” (288 x 551 x 290 mm)	21.1” x 8.6” x 11.9” (535 x 219 x 303 mm)
EQ	No	Yes (Bass, Voice, Standard modes)
Frequency Response	45Hz - 18kHz (Manufacturer specified)	20Hz - 20kHz (Manufacturer specified)
Guitar Input	Yes	-
IP Rating	None	IPX5
Microphone Input	Yes (Karaoke mode with echo effect)	Yes (Karaoke mode with echo effect)
Party Mode	No	Yes (PartyAdd up to 100 speakers)
Power Bank	Yes (USB-A, 5V/2.1A)	Yes (USB-A)
Power Input	AC Power cord	Type-C
Stereo	Partially	Yes
Omnidirectional	No	No
TWS	Yes	Yes
USB Playback	Yes	Yes
Weight	21.4 lbs (9.7 kg)	20.7 lbs (9.4 kg)
Amplifier Power	160W	200W
Drivers	2x 5.25” (133mm) woofers + 2x 2.25” (57mm) tweeters	2x 166mm woofers + tweeters + midrange drivers
Digital Aux Input	No	No
Lights	Yes	Yes
Strap	No	-
Battery Capacity	-	48000mAh (12x4000mAh)
MicroSD Playback	-	Yes

Buy the Zealot PT21 at AliExpress ($225.86) →Buy the JBL Partybox 100 at Amazon ($499.99) →

More worthwhile head-to-heads for JBL Partybox 100:

Prices on this page were last checked October 2, 2026 at 10:18 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

JBL Partybox 100: $499.99 Discontinued Amazon eBay

Newer model: the JBL Partybox Club 120, ranked higher, rated 4.5/5.

Pros: Quite neutral sound, pretty deep bass. Measured bass extension of 41Hz (-10dB).

Cons: A slight peak in the upper mids. Slight TWS issue where the 2nd is slightly delayed. Just as loud and slightly deeper bass than a Stormbox Blast which is way smaller with better sound quality. Discontinued.

Full JBL Partybox 100 review and specifications →

Amplifier Power	160W
App	No
Aux Input	Yes
Bass Extension (-10dB)	41Hz
Battery Life	12 hours (Manufacturer specified)
Bluetooth	Yes
Bluetooth Codecs	SBC
Bluetooth Version	4.2
Charging Time	6.5 hours
Digital Aux Input	No
Dimensions	11.3” x 21.7” x 11.4” (288 x 551 x 290 mm)
Drivers	2x 5.25” (133mm) woofers + 2x 2.25” (57mm) tweeters
EQ	No
Frequency Response	45Hz - 18kHz (Manufacturer specified)
Guitar Input	Yes
IP Rating	None
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
Strap	No
TWS	Yes
USB Playback	Yes
Weight	21.4 lbs (9.7 kg)

Check current price at Amazon ($499.99) →Search eBay for JBL Partybox 100 →

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 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	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)

Check current price at AliExpress ($225.86) →Search eBay for Zealot PT21 →

Specifications Side By Side

Related Speaker Comparisons

The Two Speakers In Full

JBL Partybox 100: $499.99 Discontinued Amazon eBay

Zealot PT21: $225.86 AliExpress eBay