Short answer: the W-King D320. It ranks #44 of 136 medium speakers by sound quality at $69.99; the JBL Charge 4 ranks #50 and costs $119.95, so there is little reason to consider the other one.
What the W-King D320 offers: 40W output power, IP67 waterproof, 24-hour battery life, customizable EQ app with 6 preset modes, Bluetooth 5.3, AUX and MicroSD support, dual tweeters with passive radiators, USB-C charging Watch for: Not stereo. Warm tuning. Lacking some detail. Rolled off treble
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.
Buy the W-King D320. It ranks higher for sound quality than the JBL Charge 4 and costs less, so there is no real case for the other one.
Specifications Side By Side
| W-King D320 | JBL Charge 4 | |
|---|---|---|
| Price | $69.99 | $119.95 Discontinued |
| Ranked | #44 of 136 in Medium Size Portable Bluetooth Speakers | #50 of 136 in Medium Size Portable Bluetooth Speakers |
| App | Yes | - |
| Aux Input | Yes | Yes |
| Battery Life | 24 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Built in Microphone | Yes | - |
| EQ | Yes | - |
| IP Rating | IP67 | IPX7 |
| MicroSD Playback | Yes | - |
| Stereo | No | No |
| Omnidirectional | No | No |
| TWS | No | No |
| Bluetooth Version | 5.3 | 4.2 |
| Dimensions | 3.3" x 8.4" (83 x 214 mm) (diameter x height) | 8.7" x 3.7" x 3.7" (220 x 95 x 93 mm) |
| Drivers | 52mm x 91mm woofer, 2x 25mm tweeters + 2x passive radiators | 1x 51x89mm fullrange |
| Frequency Response | 100Hz - 18kHz (Manufacturer specified) | 60Hz - 20kHz (Manufacturer specified) |
| Power Input | USB-C | - |
| Output Power | 40W | 30W RMS |
| Weight | 3.1 lbs / 1.4 kg | 2.1 lbs / 960 g |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | 54Hz |
| Bluetooth Latency | - | 330ms |
| Max Volume | - | 99dB |
| Party Mode | - | Yes (Connect+ up to 100 speakers) |
| Power Bank | - | Yes (USB-A, 5V/2A) |
| Discontinued | - | Yes |
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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
W-King D320: $69.99 Amazon Aliexpress eBay
Pros: 40W output power, IP67 waterproof, 24-hour battery life, customizable EQ app with 6 preset modes, Bluetooth 5.3, AUX and MicroSD support, dual tweeters with passive radiators, USB-C charging
Cons: Not stereo. Warm tuning. Lacking some detail. Rolled off treble
Full W-King D320 review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 3.3" x 8.4" (83 x 214 mm) (diameter x height) |
| Drivers | 52mm x 91mm woofer, 2x 25mm tweeters + 2x passive radiators |
| EQ | Yes |
| Frequency Response | 100Hz - 18kHz (Manufacturer specified) |
| IP Rating | IP67 |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 40W |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| Weight | 3.1 lbs / 1.4 kg |
- Links
- Reviews, Comparisons and Sound Samples
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- Reddit Search for W-King D320 Review
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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
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