Short answer: the Marshall Stockwell II. It ranks #11 of 105 large speakers by sound quality, rated 4.5/5, at $226; the Marshall Kilburn II ranks #43, rated 3.8/5, and costs $279, so there is little reason to consider the other one.
The Marshall Stockwell II is the better-sounding, deeper-bass pick. Possibly the most natural sounding Marshall speaker, with excellent off-axis sound. Its bass reaches about 44Hz before falling 10dB, against 58Hz for the Marshall Kilburn II. At 3.1 lbs (1.4 kg) it weighs much less than the Marshall Kilburn II at 5.5 lbs (2.49 kg). It is rated IPX4 against IPX2 for the Marshall Kilburn II. Watch for: Not very loud, and the added DSP reverb may annoy purists.
What the Marshall Kilburn II does well: 20W Class D amp + dual 8W tweeters. It plays in stereo from a single unit, unlike the Marshall Stockwell II. Watch for: Boosted upper bass, not very detailed, not as deep bass as competitors, upper mids peak.
Buy the Marshall Stockwell II. It is rated higher for sound quality than the Marshall Kilburn II and costs less, which makes it the one to get unless you need something the other one does better.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Marshall Stockwell II | Marshall Kilburn II | |
|---|---|---|
| Price | $226.00 | $279.00 |
| Ranked | #11 of 105 in Large Size Portable Bluetooth Speakers | #43 of 105 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 44Hz | ~58Hz |
| Battery Life | 20 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| IP Rating | IPX4 | IPX2 |
| Bluetooth Latency | 50ms | - |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) | 102dB (Manufacturer specified) |
| Party Mode | No | No |
| Power Input | USB-C | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Yes | No |
| TWS | No | Yes |
| Weight | 3.1 lbs (1.4 kg) | 5.5 lbs (2.49 kg) |
| App | No | No |
| Built-in Microphone | Yes | Yes |
| EQ | No | No |
| Power Bank | No | No |
| Bluetooth Version | 5.0 | 5.0 |
| Dimensions | 7.1” x 6.3” x 2.8” (180 x 161 x 70 mm) | 9.6” x 6.4” x 5.5” (243 x 162 x 140 mm) |
| Drivers | 3” woofer, 2x 2” fullrange tweeters | 1x 4” (102mm) woofer + 2x 20mm dome tweeters |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 20W | 36W |
| Digital Aux Input | No | No |
| Strap | Yes (built-in strap) | Yes (built-in strap) |
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How Marshall Stockwell II compares with other leading options:
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- Marshall Stockwell 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 Stockwell II: $226.00 Amazon $226.00 eBay
Newer model: the Marshall Stockwell III, ranked lower, rated 3/5, released Jun 2026. It adds power bank charging, app control, adjustable EQ and AAC. Water resistance goes from IPX4 to IP55. See every Marshall Portable Speakers generation.
Pros: Marshall Stockwell II uses 3” woofer, 2x 2” fullrange tweeters. Its 1.4 kg, claimed 20 hours (Manufacturer specified) battery life, IPX4 protection, aux input, up to 96dB and mono playback make it a practical option for its intended room or portable use. Possibly the most natural sounding Marshall speaker, with excellent off-axis sound. Alan Ross prefers it to the Marshall Stockwell III for long listening because it is more neutral and less tiring. Measured bass extension of 44Hz (-10dB).
Cons: Bass is limited by its 44Hz specification. There is no companion app. No EQ adjustment. Not very loud, and the added DSP reverb may annoy purists.
Full Marshall Stockwell II review and specifications →
| Released | May 2019 (7 years ago) |
|---|---|
| Amplifier Power | 20W |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 44Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 50ms |
| Bluetooth Version | 5.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.1” x 6.3” x 2.8” (180 x 161 x 70 mm) |
| Drivers | 3” woofer, 2x 2” fullrange tweeters |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX4 |
| Maximum SPL | 96dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (built-in strap) |
| TWS | No |
| Weight | 3.1 lbs (1.4 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Joy & Oluv’Sone: Marshall Stockwell III vs II - sound test More from Oluv’Sone →
- Oluv Patreon: Marshall Stockwell III vs Stockwell II
- Alan Ross Reviews: Marshall Stockwell 2 Review and huge sound test! - vs JBL Charge 5! 💯 More from alanrossreviews →
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- Alan Ross Reviews: Marshall Stockwell 3 Unboxing (live stream)
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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
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