Short answer: the Marshall Emberton II, though neither ranks well in its class. It ranks #127 of 175 medium speakers by sound quality (rated 2.7/5) at $144.99 and is still sold new; the Zealot S61 ranks #172 (rated 2.0/5) and is discontinued, so it is only an option used. Both are rated below 3.0/5 among the 175 medium speakers, and the EarFun Uboom L, ranked #2 at $49.79, is a better place to start if sound quality matters.
The Marshall Emberton II is the better-sounding choice. 30 hour battery life: among the best in its class; a 20 min quick-charge gives 4 hours. It has an adjustable EQ, which the Zealot S61 lacks. It plays in stereo from a single unit, unlike the Zealot S61. The catch: Strange unnatural echo-like sound coloration, bass not as deep as competitors.
The Zealot S61 is the longer-running option. 20W output, IPX7 waterproof, exceptional 40-hour battery life, Bluetooth 5.2, TWS stereo pairing, compact 1.5 lbs (665 g) design, single full-range driver, built-in microphone, AUX input, USB-C charging. It is rated for 40 hours of battery against 30 for the Marshall Emberton II. It keeps a wired aux input, which the Marshall Emberton II lacks. Watch for: Sounds like a soup can, no bass at all.
Buy the Marshall Emberton II. It is rated higher for sound quality and still sold new, while the Zealot S61 is discontinued.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Marshall Emberton II | Zealot S61 | |
|---|---|---|
| Price | $144.99 | $20 Discontinued |
| Ranked | #127 of 175 in Medium Size Portable Bluetooth Speakers | #172 of 175 in Medium Size Portable Bluetooth Speakers |
| App | Yes | No |
| Bass Extension (-10dB) | 62Hz | - |
| Battery Life | 30 hours (Manufacturer specified) | 40 hours (Manufacturer specified) |
| Bluetooth Latency | 80ms | - |
| Maximum SPL | 88dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (Marshall Stack) | - |
| Weight | 1.5 lbs (700 g) | 1.5 lbs (665 g) |
| IP Rating | IP67 | IPX7 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.1 | 5.2 |
| Bluetooth Codecs | SBC | SBC (inferred; additional codecs unverified) |
| Dimensions | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) | 4.1” x 4.1” x 6.7” (103 x 103 x 170 mm) |
| Drivers | 2x 2” full-range drivers + 2x passive radiators | 66mm full-range |
| TWS | No | Yes |
| EQ | Yes (3 presets via app) | No |
| Built-in Microphone | No | Yes |
| Stereo | Yes | No (single full-range driver) |
| Omnidirectional | Yes | No |
| Power Input | USB-C | USB-C |
| Power Bank | No | No |
| Aux Input | No | Yes |
| Amplifier Power | 20W | 20W |
| Digital Aux Input | No | No |
| Strap | No | - |
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- Marshall Emberton II vs Minirig 4
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 Emberton II: $144.99 Amazon $144.99 eBay
Newer model: the Marshall Emberton III, ranked higher, rated 2.7/5, released Aug 2024. It adds built-in mic.
Older model: the Marshall Emberton (ranked lower, estimated 2.6/5). See every Marshall Portable Speakers generation.
Pros: 30 hour battery life: among the best in its class; a 20 min quick-charge gives 4 hours. IP67 rated, durable rubbery build using 50% recycled plastic. Measured bass extension of 62Hz (-10dB).
Cons: Strange unnatural echo-like sound coloration, bass not as deep as competitors. Not technically a 360 speaker, only front and rear. Not very loud.
Full Marshall Emberton II review and specifications →
| Released | May 2022 (4 years ago) |
|---|---|
| Amplifier Power | 20W |
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 62Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 80ms |
| Bluetooth Version | 5.1 |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) |
| Drivers | 2x 2” full-range drivers + 2x passive radiators |
| EQ | Yes (3 presets via app) |
| IP Rating | IP67 |
| Maximum SPL | 88dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | Yes (Marshall Stack) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | No |
| Weight | 1.5 lbs (700 g) |
- Links
- Reviews, Comparisons and Sound Samples
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Zealot S61: $20 Discontinued eBay
Pros: 20W output, IPX7 waterproof, exceptional 40-hour battery life, Bluetooth 5.2, TWS stereo pairing, compact 665g design, single full-range driver, built-in microphone, AUX input, USB-C charging
Cons: Sounds like a soup can, no bass at all. Weird frequency response all over. Discontinued and no longer sold new.
Full Zealot S61 review and specifications →
| Released | Feb 2022 (4 years ago) |
|---|---|
| Amplifier Power | 20W |
| App | No |
| Aux Input | Yes |
| Battery Life | 40 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.2 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 4.1” x 4.1” x 6.7” (103 x 103 x 170 mm) |
| Drivers | 66mm full-range |
| EQ | No |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No (single full-range driver) |
| TWS | Yes |
| Weight | 1.5 lbs (665 g) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons