Short answer: the Sony ULT Field 1, if you are buying new. The Soundcore Glow ranks higher than it (#50 vs #100 of 175 medium speakers, 3.6/5 vs 3.1/5) but is discontinued, so only consider it used; the Sony ULT Field 1 is still sold new at $138.
The Soundcore Glow is the better-sounding, longer-running pick. Nice light show. It is rated for 18 hours of battery against 12 for the Sony ULT Field 1. Watch for: Bass falls off quickly at louder volumes, leaving mostly treble; distortion on bass-heavy tracks at full volume.
Why pick the Sony ULT Field 1: IP67 rated, survives drops and 1m submersion. The tradeoff: Upper midrange peak, rolled off treble.
Buy the Sony ULT Field 1 if you want one new; the Soundcore Glow is discontinued, so only look for it used.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Soundcore Glow | Sony ULT Field 1 | |
|---|---|---|
| Price | $80 Discontinued | $138.00 |
| Ranked | #50 of 175 in Medium Size Portable Bluetooth Speakers | #100 of 175 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 54Hz | - |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) | - |
| Stereo | No | No |
| Omnidirectional | Yes | No |
| App | Yes | Yes |
| Aux Input | No | No |
| Battery Life | 18 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | AAC, SBC |
| Bluetooth Version | 5.3 | 5.3 |
| Dimensions | 11.4” x 4.7” x 4.3” (290 x 120 x 110 mm) | 8.1” x 3” x 3” (206 x 77 x 76 mm) |
| Drivers | 63.5mm full-range driver + 2x passive radiators | 83mm x 42mm woofer, 16mm tweeter + passive radiator |
| EQ | Yes | Yes |
| IP Rating | IP67 | IP67 |
| Party Mode | Yes (PartyCast up to 100 speakers) | Yes (Party Connect up to 100 speakers) |
| Power Input | USB-C | USB-C |
| TWS | Yes | Yes |
| Weight | 1.8 lbs (800 g) | 1.4 lbs (650 g) |
| Amplifier Power | 30W | - |
| Digital Aux Input | No | No |
| Lights | Yes | - |
| Built-in Microphone | - | Yes |
| Power Bank | - | No |
| Strap | - | Yes (detachable strap) |
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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
Soundcore Glow: $80 Discontinued eBay
Pros: Nice light show. Treble boosted 7db. Not technically a 360 speaker, only front and rear. Measured bass extension of 54Hz (-10dB).
Cons: Bass falls off quickly at louder volumes, leaving mostly treble; distortion on bass-heavy tracks at full volume. Light effects and bass-boost noticeably shorten battery life. USB-C port doesn’t support power-bank charging. Discontinued and no longer sold new.
Full Soundcore Glow review and specifications →
| Released | Nov 2023 (2 years ago) |
|---|---|
| Amplifier Power | 30W |
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 54Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 11.4” x 4.7” x 4.3” (290 x 120 x 110 mm) |
| Drivers | 63.5mm full-range driver + 2x passive radiators |
| EQ | Yes |
| IP Rating | IP67 |
| Lights | Yes |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | Yes (PartyCast up to 100 speakers) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.8 lbs (800 g) |
- Links
- Reviews, Comparisons and Sound Samples
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Sony ULT Field 1: $138.00 Amazon $138.00 eBay
Older models: the Sony XB23 (ranked higher, rated 3.3/5), the Sony SRS-XB20 (ranked lower, rated 2.8/5), the Sony SRS-XB21 (ranked lower, rated 2.7/5) and the Sony SRS-XE200 (ranked lower, rated 2.5/5). See every Sony XB and ULT generation.
Same family: the Sony ULT Field 7 (larger model, rated 3.2/5), the Sony ULT Tower 10 (larger model, rated 3.9/5), the Sony ULT Field 3 (larger model, ranked higher, rated 3.4/5), the Sony ULT Field 5 (larger model, rated 3.5/5), the Sony ULT Tower 5 (larger model, rated 4.5/5), the Sony ULT Tower 7 (larger model, rated 4.7/5), the Sony ULT Tower 9 (larger model, rated 4.2/5) and the Sony ULT Tower Max (larger model, rated 4.8/5).
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 →
| Released | Apr 2024 (2 years ago) |
|---|---|
| App | Yes |
| Aux Input | No |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| 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 |
| Strap | Yes (detachable strap) |
| TWS | Yes |
| Weight | 1.4 lbs (650 g) |
- Links
- Reviews, Comparisons and Sound Samples
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