Short answer: the Marshall Kilburn II if sound quality matters most, the W-King T9 if price matters most. The Marshall Kilburn II ranks #43 of 105 large speakers, rated 3.8/5, at $279. The W-King T9 ranks #50, rated 3.6/5, at $111.23, $167.77 cheaper.
The Marshall Kilburn II is the lighter, tougher pick. 20W Class D amp + dual 8W tweeters. At 5.5 lbs (2.49 kg) it weighs much less than the W-King T9 at 10.1 lbs (4.6 kg). It is rated IPX2, while the W-King T9 has no water resistance. The tradeoff: Boosted upper bass, not very detailed, not as deep bass as competitors, upper mids peak.
The W-King T9 is the deeper-bass pick. 80W output power, 106dB max volume, 24-hour battery life, power bank function, Bluetooth 5.3 with 100ft range, TWS stereo pairing with wireless microphone, dual subwoofers, RGB lighting, MicroSD and AUX support, USB-C charging, karaoke capability. Its bass reaches about 47Hz before falling 10dB, against 58Hz for the Marshall Kilburn II. Watch for: Peaks in the upper mids which makes it sound a bit harsh.
Buy the Marshall Kilburn II if sound quality matters more than the price. Buy the W-King T9 if the price matters more than sound quality.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Marshall Kilburn II | W-King T9 | |
|---|---|---|
| Price | $279.00 | $111.23 |
| Ranked | #43 of 105 in Large Size Portable Bluetooth Speakers | #50 of 105 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | ~58Hz | 47Hz |
| Battery Life | 20 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| IP Rating | IPX2 | None |
| Weight | 5.5 lbs (2.49 kg) | 10.1 lbs (4.6 kg) |
| App | No | No |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| Party Mode | No | No |
| Power Bank | No | Yes (USB-A) |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Amplifier Power | 36W | 80W |
| Dimensions | 9.6” x 6.4” x 5.5” (243 x 162 x 140 mm) | 11.8” x 5.9” x 4.7” (300 x 150 x 120 mm) |
| Drivers | 1x 4” (102mm) woofer + 2x 20mm dome tweeters | 2x 4.04” subwoofers + drivers |
| Maximum SPL | 102dB (Manufacturer specified) | 106dB (measured by Alan Ross Reviews) |
| Digital Aux Input | No | No |
| Bluetooth Version | 5.0 | 5.3 |
| Strap | Yes (built-in strap) | No |
| MicroSD Playback | - | Yes |
| Lights | - | Yes |
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More worthwhile head-to-heads for Marshall Kilburn II:
- Marshall Kilburn II vs Vifa Helsinki
- JBL Xtreme 5 vs Marshall Kilburn II
- Tribit Stormbox Lava vs Marshall Kilburn II
- Marshall Kilburn II vs Brane X
- Marshall Kilburn II vs Minirig 4 with subwoofer
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
Marshall Kilburn II: $279.00 Amazon $279.00 eBay
Newer model: the Marshall Kilburn III, ranked higher, rated 3.8/5, released May 2025. It adds power bank charging, app control, adjustable EQ and party mode, but drops the built-in mic. Battery life goes from 20 to 50 hours. Water resistance goes from IPX2 to IP54. See every Marshall Portable Speakers generation.
Pros: 20W Class D amp + dual 8W tweeters. 20+ hour battery with quick-charge (20 min charges 3 hours of play). Rugged design with leather handle and reinforced corners, IPX2 rated. Thrives with rock music. Bluetooth 5.0 with 30ft range. Measured bass extension of ~58Hz (-10dB).
Cons: Boosted upper bass, not very detailed, not as deep bass as competitors, upper mids peak. Very low IPX2 water rating. AC charging
Full Marshall Kilburn II review and specifications →
| Released | Aug 2018 (8 years ago) |
|---|---|
| Amplifier Power | 36W |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~58Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.6” x 6.4” x 5.5” (243 x 162 x 140 mm) |
| Drivers | 1x 4” (102mm) woofer + 2x 20mm dome tweeters |
| EQ | No |
| IP Rating | IPX2 |
| Maximum SPL | 102dB (Manufacturer specified) |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | Yes (built-in strap) |
| TWS | Yes |
| Weight | 5.5 lbs (2.49 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Mateusz Cholewa: Marshall Kilburn 3 vs Marshall Kilburn 2 More from Mateusz Cholewa →
- Mateusz Cholewa: New 2025😎 Marshall Kilburn 3 UNBOXING 📦Audio TEST vs Kilburn 2
- Mateusz Cholewa: Marshall Kilburn 3 DEEP BASS👌💪💖🆚 Marshall Kilburn 2 Outside
- Storytripper HD: Marshall Acton 2 vs Marshall Kilburn 2 More from storytripperhd →
- PORTATIV: Laney F67 vs Marshall Kilburn 2 Ищем лучшую олдскульную колонку Обзор и ТЕСТ ЗВУКА
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W-King T9: $111.23 Amazon $129.98 AliExpress $111.23 Lowest eBay
Pros: 80W output power, 106dB max volume, 24-hour battery life, power bank function, Bluetooth 5.3 with 100ft range, TWS stereo pairing with wireless microphone, dual subwoofers, RGB lighting, MicroSD and AUX support, USB-C charging, karaoke capability. Measured bass extension of 47Hz (-10dB).
Cons: Peaks in the upper mids which makes it sound a bit harsh.
Full W-King T9 review and specifications →
| Released | Apr 2021 (5 years ago) |
|---|---|
| Amplifier Power | 80W |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 47Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 11.8” x 5.9” x 4.7” (300 x 150 x 120 mm) |
| Drivers | 2x 4.04” subwoofers + drivers |
| EQ | No |
| IP Rating | None |
| Lights | Yes |
| Maximum SPL | 106dB (measured by Alan Ross Reviews) |
| MicroSD Playback | Yes |
| Omnidirectional | No |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | Yes |
| Weight | 10.1 lbs (4.6 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: W-King T9 or Soundcore Motion Boom - King vs World Champion! 👌 More from alanrossreviews →
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- Jay’s Straight Up Reviews & More: W-King T9 🆚 ONN Large Party Speaker -By Request for Big Tee. Can the Smaller T9 Hang With The ONN? More from JaysStraightUpReviews →
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