Short answer: the W-King D320. It ranks #51 of 175 medium speakers by sound quality (rated 3.6/5) at $52.92 and is still sold new; the JBL Charge 4 ranks #63 (rated 3.5/5) and is discontinued, so it is only an option used. The JBL Charge 4’s replacement, the JBL Charge 6, is rated 4.2/5 at $119.95.
What the W-King D320 does well: A 3.1 lbs (1.4 kg), IP67-rated travel speaker with claimed 40W output, USB-C charging, aux and microSD playback, speakerphone capability and an app with adjustable EQ. It has an adjustable EQ, which the JBL Charge 4 lacks. The catch: A single D320 is not stereo, and its warm balance trades away some detail and upper-treble air.
The JBL Charge 4 is the lighter choice. Doubles as a power bank for charging phones/tablets. At 2.1 lbs (960 g) it weighs noticeably less than the W-King D320 at 3.1 lbs (1.4 kg). Watch for: 1 Oval driver.
Buy the W-King D320. It is rated higher for sound quality; the JBL Charge 4 is no longer sold new.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| W-King D320 | JBL Charge 4 | |
|---|---|---|
| Price | $52.92 | $94.99 Discontinued |
| Ranked | #51 of 175 in Medium Size Portable Bluetooth Speakers | #63 of 175 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | Yes | Yes |
| Battery Life | 24 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Built-in Microphone | Yes | - |
| EQ | Yes | No |
| IP Rating | IP67 | IPX7 |
| MicroSD Playback | Yes | - |
| Stereo | No | No |
| Omnidirectional | No | No |
| TWS | No | No |
| Bluetooth | Yes | Yes |
| 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 | USB-C |
| Amplifier Power | 40W | 30W RMS |
| Weight | 3.1 lbs (1.4 kg) | 2.1 lbs (960 g) |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | SBC |
| Bass Extension (-10dB) | - | 54Hz |
| Bluetooth Latency | - | 330ms |
| Maximum SPL | - | 99dB (measured by Alan Ross Reviews) |
| Party Mode | - | Yes (Connect+ up to 100 speakers) |
| Power Bank | - | Yes (USB-A, 5V/2A) |
| Strap | - | No |
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Prices on this page were last checked October 12, 2026 at 4:13 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: $52.92 AliExpress $52.92 eBay
Pros: A 1.4kg, IP67-rated travel speaker with claimed 40W output, USB-C charging, aux and microSD playback, speakerphone capability and an app with adjustable EQ. Owner reports praise its loud, deep-for-size bass and long runtime, while its two tweeters and passive radiators make it a capable choice for casual outdoor listening.
Cons: A single D320 is not stereo, and its warm balance trades away some detail and upper-treble air. The claimed 100Hz low-frequency specification suggests that its perceived bass should not be mistaken for true sub-bass; evaluate its tuning with the app rather than expecting a neutral default.
Full W-King D320 review and specifications →
| Released | Aug 2023 (3 years ago) |
|---|---|
| Amplifier Power | 40W |
| App | Yes |
| Aux Input | Yes |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| 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 |
| Power Input | USB-C |
| Stereo | No |
| TWS | No |
| Weight | 3.1 lbs (1.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Techder Audios: W-king D320 VS Mifa Wildrod "DUAL VS SINGLE TWEETERS!" More from techderaudios →
- Jay’s Straight Up Reviews & More: Ultimate Ears MegaBoom 4 vs W-King D320 🔋Does Paying More Get You Less? 😧 More from JaysStraightUpReviews →
- Audio y Mas 🔊: Altavoces JBL Flip 6 vs W-King D320: ¿Cuál es el mejor en calidad de sonido? 🔊
- Head-to-Head Comparisons
JBL Charge 4: $94.99 Discontinued Amazon $94.99 eBay
Newer model: the JBL Charge 6, ranked higher, rated 4.2/5, released Mar 2025.
Older models: the JBL Charge 3 (ranked lower, rated 3.2/5) and the JBL Charge 2 (ranked lower, rated 3.2/5). See every JBL Charge generation.
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. Measured bass extension of 54Hz (-10dB).
Cons: Not stereo. 1 Oval driver. Boosted bass, top a little rolled off, warm sound. Not as loud as a JBL Charge 3. Discontinued.
Full JBL Charge 4 review and specifications →
| Released | Oct 2018 (8 years ago) |
|---|---|
| Amplifier Power | 30W RMS |
| App | Yes |
| Aux Input | Yes |
| Bass Extension (-10dB) | 54Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| 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) |
| Drivers | 1x 51x89mm fullrange |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Maximum SPL | 99dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Connect+ up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/2A) |
| Power Input | USB-C |
| Stereo | No |
| Strap | No |
| TWS | No |
| Weight | 2.1 lbs (960 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: jbl Charge 4 unboxing first impressions - vs Charge 3 More from alanrossreviews →
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- Flossy Carter: JBL Charge 5 vs JBL Charge 4 vs JBL Charge Essential More from FlossyCarter →
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