Different classes, so treat this as a step-up-or-not question rather than a head-to-head. The Soundcore Boom 2 ranks #10 of 120 large speakers by sound quality at $99.99; the Marshall Emberton III ranks #126 of 179 medium speakers by sound quality at $179.99.
Different sizes. The Boom 2 is a large 3.7 lbs (1.68 kg) speaker. The Emberton III is a medium 1.5 lbs (673 g) speaker. Each is rated within its own class.
The Boom 2 reaches about 47Hz and 105dB measured, with a claimed 24 hours and a power bank. Turn BassUp off and use a community EQ from its page.
The Emberton III has an echo-like coloration, bass only to about 62Hz, and is not very loud. It claims 32 hours and is IP67.
Buy the Soundcore Boom 2 at $99.99 if you want a large speaker. Buy the Marshall Emberton III at $179.99 if you want a medium speaker instead.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Prices on this page were last checked November 7, 2026 at 7:34 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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Specifications Side By Side
| Soundcore Boom 2 | Marshall Emberton III | |
|---|---|---|
| Price | $99.99 | $179.99 |
| Ranked | #10 of 120 in Large Size Portable Bluetooth Speakers | #126 of 179 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | No | No |
| Bass Extension (-10dB) | 47Hz | 62Hz |
| Battery Life | 24 hours (Manufacturer specified) | 32 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC |
| Built-in Microphone | No | Yes |
| EQ | Yes | Yes (3 presets via app) |
| IP Rating | IPX7 | IP67 |
| Bluetooth Latency | 125ms | - |
| Maximum SPL | 105dB (measured by Alan Ross Reviews) | - |
| MicroSD Playback | No | - |
| Party Mode | Yes (PartyCast 2.0 up to 100 speakers) | Yes (Marshall Stack) |
| Power Bank | Yes (USB-A) | No |
| Power Input | USB-C | USB-C |
| Stereo | Partially (1 woofer) | Yes |
| Omnidirectional | No | Yes |
| TWS | Yes | No |
| Weight | 3.7 lbs (1.68 kg) | 1.5 lbs (673 g) |
| Bluetooth Version | 5.3 | 5.3 |
| Dimensions | 11.7” x 7.3” x 4” (297 x 185 x 102 mm) | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) |
| Drivers | 120mm x 90mm woofer, 2x 20mm tweeters | 2x 2” full-range cone drivers + 2x 2” passive radiators |
| Frequency Response | 45Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 80W | 20W |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Strap | No | No |
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