Short answer: the JBL Charge 4 on measured sound quality, the Zealot S61 on price. The JBL Charge 4 ranks #50 of 136 medium speakers at $119.95. The Zealot S61 ranks #134 at $20, $99.95 cheaper.
What the JBL Charge 4 offers: Doubles as a power bank for charging phones/tablets. IPX7 rated and floats. ~20 hour battery life; wirelessly links with 100+ JBL Connect+ speakers. Watch for: Not stereo. 1 Oval driver. Boosted bass, top a little rolled off, warm sound. Not as loud as a Charge 3.
What the Zealot S61 offers: 20W output, IPX7 waterproof, exceptional 40-hour battery life, Bluetooth 5.2, TWS stereo pairing, compact 665g design, single full-range driver, built-in microphone, AUX input, USB-C charging Watch for: Sounds like a soup can, no bass at all. Weird frequency response all over.
Buy the JBL Charge 4 when sound quality outweighs the price for you, and the Zealot S61 when the price outweighs sound quality instead.
Skip the Zealot S61 if sound quality matters to you. It ranks near the bottom of the 136 medium speakers.
Battery life favors the Zealot S61: rated for 40 hours against 20 hours for the JBL Charge 4.
Specifications Side By Side
| JBL Charge 4 | Zealot S61 | |
|---|---|---|
| Price | $119.95 Discontinued | $20 |
| Ranked | #50 of 136 in Medium Size Portable Bluetooth Speakers | #134 of 136 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 54Hz | - |
| Battery Life | 20 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Bluetooth Latency | 330ms | - |
| Max Volume | 99dB | - |
| Party Mode | Yes (Connect+ up to 100 speakers) | - |
| Power Bank | Yes (USB-A, 5V/2A) | No |
| Stereo | No | - |
| Omnidirectional | No | No |
| TWS | No | Yes |
| Weight | 2.1 lbs / 960 g | 1.5 lbs / 665 g |
| Bluetooth Version | 4.2 | 5.2 |
| Drivers | 1x 51x89mm fullrange | 66mm full-range |
| Dimensions | 8.7" x 3.7" x 3.7" (220 x 95 x 93 mm) | 4.1" x 4.1" x 6.7" (103 x 103 x 170 mm) |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| Output Power | 30W RMS | 20W |
| IP Rating | IPX7 | IPX7 |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| Built in Microphone | - | Yes |
| Power Input | - | USB-C |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Soundcore Motion 300 vs Tribit Stormbox Flow
- Soundcore Motion+ vs Tribit Stormbox Flow
- Tribit Maxsound Plus V1/V2/Thunderbox Plus vs Tribit Stormbox Flow
- JBL Charge 4 vs Tribit Stormbox Mini
- Tribit Xsound Mega vs Zealot S61
Prices on this page were last checked August 27, 2026 at 10:09 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 Charge 4: $119.95 Discontinued Amazon eBay
Pros: Doubles as a power bank for charging phones/tablets. IPX7 rated and floats. ~20 hour battery life; wirelessly links with 100+ JBL Connect+ speakers.
Cons: Not stereo. 1 Oval driver. Boosted bass, top a little rolled off, warm sound. Not as loud as a Charge 3. Discontinued.
Full JBL Charge 4 review and specifications →
| Aux Input | Yes |
|---|---|
| Bass Extension (-10dB) | 54Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Latency | 330ms |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 8.7" x 3.7" x 3.7" (220 x 95 x 93 mm) |
| Discontinued | Yes |
| Drivers | 1x 51x89mm fullrange |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 99dB |
| Omnidirectional | No |
| Output Power | 30W RMS |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/2A) |
| Stereo | No |
| TWS | No |
| Weight | 2.1 lbs / 960 g |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: JBL Charge 5 vs JBL Charge 4 and Charge 3 - best JBL charge 5 review 2021? More from alanrossreviews →
- Alan Ross Reviews: jbl Charge 4 unboxing first impressions - vs Charge 3
- Alan Ross Reviews: JBL Charge 5 vs JBL Charge 4 and Charge 3 - best JBL charge 5 review 2021?
- Alan Ross Reviews: W King D8 Mini review vs JBL Charge 4 vs Maxsound Plus
- Alan Ross Reviews: Sony XB33 vs XB32 vs JBL Charge 4 best £120 bluetooth speaker?
- Alan Ross Reviews: JBL Flip 6 vs JBL Charge 4 and JBL Charge 3 - small one or a large one? 🤷♂️
- Flossy Carter: JBL Charge 5 vs JBL Charge 4 vs JBL Charge Essential More from FlossyCarter →
- Naresh Lal: JBL Charge 4 Vs Xdobo X8 Tell me Which one is the BEST?
- Alan Ross Reviews: LG Xboom Go PL7 vs JBL Charge 4 and Sony XB33 - best Bluetooth speaker?
- Reddit Search for JBL Charge 4 Review
- Head-to-Head Comparisons
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Zealot S61: $20 Amazon Aliexpress eBay
Pros: 20W output, IPX7 waterproof, exceptional 40-hour battery life, Bluetooth 5.2, TWS stereo pairing, compact 665g design, single full-range driver, built-in microphone, AUX input, USB-C charging
Cons: Sounds like a soup can, no bass at all. Weird frequency response all over.
Full Zealot S61 review and specifications →
| Aux Input | Yes |
|---|---|
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4.1" x 4.1" x 6.7" (103 x 103 x 170 mm) |
| Drivers | 66mm full-range |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Output Power | 20W |
| Power Bank | No |
| Power Input | USB-C |
| TWS | Yes |
| Weight | 1.5 lbs / 665 g |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons