Short answer: the Sony ULT Field 1. It ranks #76 of 136 medium speakers by sound quality at $98; the Marshall Emberton II ranks #100 and costs $160.23, which makes this an easy call rather than a real tradeoff.
What the Sony ULT Field 1 offers: IP67 rated, survives drops and 1m submersion. Real-world battery around 28+ hours with ULT (bass boost) mode off. Stereo-pairs with a second ULT Field 1. Watch for: Upper midrange peak, rolled off treble
What the Marshall Emberton II offers: 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. Watch for: Strange unnatural echo-like sound coloration, bass not as deep as competitors. Not technically a 360 speaker, only front and rear. Not very loud.
Buy the Sony ULT Field 1. It ranks higher for sound quality than the Marshall Emberton II and costs less, so the other one has nothing left to offer.
There is a real battery-life gap here: the Marshall Emberton II is rated for 30 hours, the Sony ULT Field 1 only 12 hours.
Specifications Side By Side
| Sony ULT Field 1 | Marshall Emberton II | |
|---|---|---|
| Price | $98.00 | $160.23 |
| Ranked | #76 of 136 in Medium Size Portable Bluetooth Speakers | #100 of 136 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Aux Input | No | No |
| Battery Life | 12 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| Built in Microphone | Yes | No |
| EQ | Yes | Yes (3 presets via app) |
| IP Rating | IP67 | IP67 |
| Party Mode | Yes (Party Connect up to 100 speakers) | Yes (Marshall Stack) |
| Power Bank | No | No |
| Power Input | USB-C | USB-C |
| Stereo | No | Yes |
| Omnidirectional | No | Yes |
| TWS | Yes | No |
| Weight | 1.4 lbs / 650 g | 1.5 lbs / 700 g |
| Bluetooth Codecs | AAC, SBC | SBC |
| Bluetooth Version | 5.3 | 5.1 |
| Dimensions | 8.1" x 3" x 3" (206 x 77 x 76 mm) | 6.3" x 2.7" x 3" (160 x 68 x 76 mm) |
| Drivers | 83mm x 42mm woofer, 16mm tweeter + passive radiator | 2x 2" full-range drivers + 2x passive radiators |
| Digital Aux Input | No | No |
| Bass Extension (-10dB) | - | 62Hz |
| Bluetooth Latency | - | 80ms |
| Max Volume | - | 88dB |
| Output Power | - | 20W |
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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
Sony ULT Field 1: $98.00 Amazon eBay
Pros: IP67 rated, survives drops and 1m submersion. Real-world battery around 28+ hours with ULT (bass boost) mode off. Stereo-pairs with a second ULT Field 1.
Cons: Upper midrange peak, rolled off treble
Full Sony ULT Field 1 review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8.1" x 3" x 3" (206 x 77 x 76 mm) |
| Drivers | 83mm x 42mm woofer, 16mm tweeter + passive radiator |
| EQ | Yes |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.4 lbs / 650 g |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Marshall Emberton II: $160.23 Amazon eBay
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.
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 →
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 62Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| 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 |
| Max Volume | 88dB |
| Omnidirectional | Yes |
| Output Power | 20W |
| Party Mode | Yes (Marshall Stack) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | No |
| Weight | 1.5 lbs / 700 g |
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- Reviews, Comparisons and Sound Samples
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