Short answer: the Harman Kardon Onyx Studio 5 on measured sound quality, the W-King D20 on price. The Harman Kardon Onyx Studio 5 ranks #19 of 73 boombox speakers at $499.99. The W-King D20 ranks #27 at $193, $306.99 cheaper.
What the Harman Kardon Onyx Studio 5 offers: Elegant circular design with carrying handle. Bass-heavy with balanced mids and highs. Rechargeable Li-ion battery rated 7-8 hours at 40-50% volume. Watch for: Warm sound with boosted bass. 8 hour battery at medium volume. Not at loud as others.
What the W-King D20 offers: Comes with 2 wireless microphones Watch for: Rising frequency response but upper treble rolled off, 700hz and 1.2khz peaks
Buy the Harman Kardon Onyx Studio 5 if sound quality matters more than the price. Buy the W-King D20 if the price matters more than sound quality.
Specifications Side By Side
| Harman Kardon Onyx Studio 5 | W-King D20 | |
|---|---|---|
| Price | $499.99 | $193 |
| Ranked | #19 of 73 in Boombox Size Portable Bluetooth Speakers | #27 of 73 in Boombox Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Battery Life | 8 hours (Manufacturer specified) | - |
| IP Rating | IPX7 | IPX6 |
| Party Mode | Yes (Wireless Dual Sound) | No |
| Power Input | DC Barrel Connector (19V/2.1A) | USB-C |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | No |
| TWS | Yes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/) | Yes |
| Weight | 6.6 lbs / 3 kg | 14.3 lbs / 6500 g |
| Bluetooth Codecs | SBC | SBC |
| App | No | Yes (W-King app) |
| EQ | No | Yes (App + button modes) |
| Power Bank | No | Yes |
| USB Playback | No | Yes |
| Built in Microphone | Yes | No |
| Output Power | 50W | 200W |
| Dimensions | 11.3" x 11.3" (285.8 x 285.8 mm) | 19.9" x 8.5" x 10.6" (506 x 217 x 270 mm) |
| Drivers | 2x 75mm woofers + 2x 20mm tweeters | 4.5" + 3.5" drivers + 1.2" tweeters |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | ~42Hz |
| Max Volume | - | 112dB |
| MicroSD Playback | - | Yes |
| Wireless Microphones | - | Yes |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- JBL Boombox 3 Wifi vs Tribit Stormbox Blast 2
- JBL Boombox 3 Wifi vs JBL Partybox On the Go
- JBL Boombox 3 Wifi vs JBL Authentics 300
- W-King D20 vs JBL Boombox 2
- Harman Kardon Onyx Studio 5 vs Harman Kardon Onyx Studio 9
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
Harman Kardon Onyx Studio 5: $499.99 Amazon eBay
Pros: Elegant circular design with carrying handle. Bass-heavy with balanced mids and highs. Rechargeable Li-ion battery rated 7-8 hours at 40-50% volume.
Cons: Warm sound with boosted bass. 8 hour battery at medium volume. Not at loud as others.
Full Harman Kardon Onyx Studio 5 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.3" x 11.3" (285.8 x 285.8 mm) |
| Drivers | 2x 75mm woofers + 2x 20mm tweeters |
| EQ | No |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Output Power | 50W |
| Party Mode | Yes (Wireless Dual Sound) |
| Power Bank | No |
| Power Input | DC Barrel Connector (19V/2.1A) |
| Stereo | Partially (1 woofer) |
| TWS | Yes (see https://www.reddit.com/r/Bluetooth_Speakers/comments/w339x5/how_to_harman_kardon_onyx_studio_5_6_dual_sound/) |
| USB Playback | No |
| Weight | 6.6 lbs / 3 kg |
- Links
- Reviews, Comparisons and Sound Samples
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- Harman Kardon Onyx Studio 5 vs Zealot ZE21
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W-King D20: $193 Aliexpress eBay
Pros: Comes with 2 wireless microphones
Cons: Rising frequency response but upper treble rolled off, 700hz and 1.2khz peaks
Full W-King D20 review and specifications →
| App | Yes (W-King app) |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | ~42Hz |
| Bluetooth Codecs | SBC |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 19.9" x 8.5" x 10.6" (506 x 217 x 270 mm) |
| Drivers | 4.5" + 3.5" drivers + 1.2" tweeters |
| EQ | Yes (App + button modes) |
| IP Rating | IPX6 |
| Max Volume | 112dB |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 200W |
| Party Mode | No |
| Power Bank | Yes |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 14.3 lbs / 6500 g |
| Wireless Microphones | Yes |
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- Reviews, Comparisons and Sound Samples
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