Short answer: the Soundcore Motion Boom on measured sound quality, the W-King D9 on price. The Soundcore Motion Boom ranks #14 of 77 large speakers at $109.99. The W-King D9 ranks #65 at $71.24, $38.75 cheaper.
What the Soundcore Motion Boom offers: 30W loud bass-heavy sound, excellent budget-friendly value. 10,000mAh battery for 24 hours claimed (15-18 hours with BassUp engaged at high volume). Waterproof, buoyant design, convenient carry handle. PowerIQ USB port charges devices. BassUp feature works well with clear mids/highs. Watch for: Not as neutral or detailed as other top ranked speakers
What the W-King D9 offers: 60W RMS output, 106dB max volume, exceptional 40-hour battery life, power bank function, IPX6 waterproof, MicroSD and AUX support, dual drivers with passive radiators, Bluetooth 5.3, USB-C charging, EQ button, shockproof design Watch for: Very rolled off treble.
Buy the Soundcore Motion Boom when sound quality outweighs the price for you, and the W-King D9 when the price outweighs sound quality instead.
If sound quality matters at all to you, skip the W-King D9. It ranks near the bottom of the 77 large speakers, so look higher up the list instead.
If battery life is a priority, the W-King D9 is rated for 40 hours versus 24 hours for the Soundcore Motion Boom.
Specifications Side By Side
| Soundcore Motion Boom | W-King D9 | |
|---|---|---|
| Price | $109.99 | $71.24 |
| Ranked | #14 of 77 in Large Size Portable Bluetooth Speakers | #65 of 77 in Large Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | 53Hz | 47Hz |
| Battery Life | 24 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| EQ | Yes | No |
| IP Rating | IPX7 | IPX6 |
| Bluetooth Latency | 170ms | - |
| Max Volume | 106dB | 106dB |
| Party Mode | No | No |
| Power Bank | Yes (USB-A) | Yes (USB-A) |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | No |
| Weight | 3.3 lbs / 1.5 kg | 4.4 lbs / 2.0 kg |
| Bluetooth Codecs | SBC | SBC |
| Built in Microphone | Yes | Yes |
| Bluetooth Version | 5.0 | 5.3 |
| Dimensions | 13.6" x 7.9" x 5.8" (346 x 200 x 148 mm) | 4.7" x 12.4" x 4.7" (120 x 315 x 120 mm) |
| Drivers | 2x 63.5mm titanium fullrange drivers + 2x passive radiators | 2x 40mm drivers + passive radiators |
| Output Power | 30W | 60W RMS |
| Digital Aux Input | No | No |
| MicroSD Playback | - | Yes |
| Frequency Response | - | 80Hz - 16kHz (Manufacturer specified) |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Tribit Stormbox Lava vs Soundcore Select Pro
- Soundcore Select Pro vs Harman Kardon Onyx Studio 4
- Tribit Stormbox Lava vs Soundcore Rave Neo
- Soundcore Motion Boom vs Zealot S97
- Soundcore Motion Boom vs W-King D8
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
Soundcore Motion Boom: $109.99 Amazon eBay
Pros: 30W loud bass-heavy sound, excellent budget-friendly value. 10,000mAh battery for 24 hours claimed (15-18 hours with BassUp engaged at high volume). Waterproof, buoyant design, convenient carry handle. PowerIQ USB port charges devices. BassUp feature works well with clear mids/highs.
Cons: Not as neutral or detailed as other top ranked speakers
Full Soundcore Motion Boom review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 53Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 170ms |
| Bluetooth Version | 5.0 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 13.6" x 7.9" x 5.8" (346 x 200 x 148 mm) |
| Drivers | 2x 63.5mm titanium fullrange drivers + 2x passive radiators |
| EQ | Yes |
| IP Rating | IPX7 |
| Max Volume | 106dB |
| Omnidirectional | No |
| Output Power | 30W |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 3.3 lbs / 1.5 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: This is shocking! They broke the world pound for pound champ! 😢 More from alanrossreviews →
- Alan Ross Reviews: Soundcore Motion Boom vs JBL Xtreme 3 LG PN7 & Minirig mk3 💯👍
- Alan Ross Reviews: Mifa Wildbox vs Soundcore Motion Boom Review! its a close one! 💯
- Alan Ross Reviews: Minirig mk3 2.2 (2x subwoofers) vs 2x Soundcore Motion Booms 🤑
- Alan Ross Reviews: 2x Soundcore Boost (stereo) vs Motion Boom and Motion+ - Best Soundcore speaker? 😋
- Alan Ross Reviews: Marshall Stockwell 2 vs Soundcore Motion Boom and Motion Plus! expensive is better?
- Alan Ross Reviews: W-King X10 (70w) vs Soundcore Motion Boom (30w) - value for money? 🤑
- Alan Ross Reviews: Ultimate Soundcore Boom 2 Review - Is It Worth The Hype?
- Alan Ross Reviews: Dockin D Fine+ 2 vs Soundcore Motion Boom 50w vs 30w 😱
- Alan Ross Reviews: W-King T9 or Soundcore Motion Boom - King vs World Champion! 👌
- Alan Ross Reviews: Soundcore Motion Boom vs W-King D8 and D9 - boom boom! 🥳
- Alan Ross Reviews: Doss Soundbox xl vs Soundcore Motion boom and Plus - woopeeeee!!!!!!!!
- Techder Audios: SONY XG300 VS SOUNDCORE MOTION BOOM More from techderaudios →
- Alan Ross Reviews: JBL Xtreme 3 vs Soundcore Motion Boom vs Rave Neo - Boombox Battle!
- Alan Ross Reviews: Soundcore Motion Boom vs W-King D8 and D9 - boom boom! 🥳
- Alan Ross Reviews: HK Go+ Play vs Soundcore Motion Boom - biggest bass battle ever!!!!!!!!!!!!
- Jagist reviews: Soundcore Motion Boom vs Altec Lansing Mix 2.0 More from Jagistreviews →
- Reddit Search for Soundcore Motion Boom Review
- Head-to-Head Comparisons
- Soundcore Motion Boom vs Harman Kardon Citation 200
- Soundcore Motion Boom vs Soundcore Select Pro
- Soundcore Motion Boom vs B&O Beoplay A2 active
- Soundcore Motion Boom vs Marshall Stockwell 2
- Soundcore Motion Boom vs Bose SoundLink Max
- Soundcore Motion Boom vs JBL Xtreme 3
- Soundcore Motion Boom vs Soundcore Boom 2
- Soundcore Motion Boom vs Mifa Wildbox
- See all 43 comparisons
W-King D9: $71.24 Amazon eBay
Pros: 60W RMS output, 106dB max volume, exceptional 40-hour battery life, power bank function, IPX6 waterproof, MicroSD and AUX support, dual drivers with passive radiators, Bluetooth 5.3, USB-C charging, EQ button, shockproof design
Cons: Very rolled off treble.
Full W-King D9 review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 47Hz |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4.7" x 12.4" x 4.7" (120 x 315 x 120 mm) |
| Drivers | 2x 40mm drivers + passive radiators |
| EQ | No |
| Frequency Response | 80Hz - 16kHz (Manufacturer specified) |
| IP Rating | IPX6 |
| Max Volume | 106dB |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Output Power | 60W RMS |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| Weight | 4.4 lbs / 2.0 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons