Short answer: the Sony ULT Field 1 for better sound quality, the Wisetiger F10 for the lower price. The Sony ULT Field 1 ranks #86 of 150 medium speakers, rated 3.1/5, at $138. The Wisetiger F10 ranks #123, rated 2.5/5, at $25.76, $112.24 cheaper.
Why pick the Sony ULT Field 1: IP67 rated, survives drops and 1m submersion. Watch for: Upper midrange peak, rolled off treble.
What the Wisetiger F10 does well: 25W output power, IPX7 waterproof, 24-hour battery life, Bluetooth 5.3 with 30m range, RGB multicolor LED light show, TWS stereo pairing, AUX input, USB-C charging, built-in microphone, lightweight 550g. The tradeoff: Mids and treble on the harsh side, not much bass.
Buy the Sony ULT Field 1 if sound quality matters more than the price. Buy the Wisetiger F10 if the price matters more than sound quality.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Sony ULT Field 1 | Wisetiger F10 | |
|---|---|---|
| Price | $138.00 | $25.76 |
| Ranked | #86 of 150 in Medium Size Portable Bluetooth Speakers | #123 of 150 in Medium Size Portable Bluetooth Speakers |
| App | Yes | - |
| Aux Input | No | Yes |
| Battery Life | 12 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Built-in Microphone | Yes | Yes |
| EQ | Yes | - |
| IP Rating | IP67 | IPX7 |
| Party Mode | Yes (Party Connect up to 100 speakers) | - |
| Power Bank | No | - |
| Power Input | USB-C | USB-C |
| Stereo | No | - |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 1.4 lbs (650 g) | 1.2 lbs (550 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.3 | 5.3 |
| Dimensions | 8.1” x 3” x 3” (206 x 77 x 76 mm) | 9.3” x 3.1” x 3.1” (235 x 79 x 78 mm) |
| Drivers | 83mm x 42mm woofer, 16mm tweeter + passive radiator | 20W full-range driver |
| Digital Aux Input | No | No |
| Strap | Yes (detachable strap) | - |
| Amplifier Power | - | 25W |
| Lights | - | Yes |
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Prices on this page were last checked September 30, 2026 at 2:57 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: $138.00 Amazon eBay
Older models: the Sony XB23 (ranked higher, rated 3.3/5) and the Sony SRS-XB20 (ranked lower, rated 2.8/5).
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 →
| 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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Wisetiger F10: $25.76 AliExpress eBay
Pros: 25W output power, IPX7 waterproof, 24-hour battery life, Bluetooth 5.3 with 30m range, RGB multicolor LED light show, TWS stereo pairing, AUX input, USB-C charging, built-in microphone, lightweight 550g
Cons: Mids and treble on the harsh side, not much bass
Full Wisetiger F10 review and specifications →
| Amplifier Power | 25W |
|---|---|
| Aux Input | Yes |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 9.3” x 3.1” x 3.1” (235 x 79 x 78 mm) |
| Drivers | 20W full-range driver |
| IP Rating | IPX7 |
| Lights | Yes |
| Omnidirectional | No |
| Power Input | USB-C |
| TWS | Yes |
| Weight | 1.2 lbs (550 g) |
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