Short answer: the Sony ULT Field 1 if sound quality matters most, the Oontz Angle 3 Ultra if price matters most. The Sony ULT Field 1 ranks #86 of 150 medium speakers, rated 3.1/5, at $138. The Oontz Angle 3 Ultra ranks #135, rated 2.2/5, at $39.99, $98.01 cheaper.
What the Sony ULT Field 1 does well: IP67 rated, survives drops and 1m submersion. The catch: Upper midrange peak, rolled off treble.
The case for the Oontz Angle 3 Ultra: 20+ hour battery life: some reviewers see 22-24 hours at 50% volume. The catch: Very little bass with horrible upper bass thud at higher levels.
Buy the Sony ULT Field 1 if sound quality is the priority over the price, or the Oontz Angle 3 Ultra if the price is the priority over sound quality.
There is a real battery-life gap here: the Oontz Angle 3 Ultra is rated for 20 hours, the Sony ULT Field 1 only 12 hours.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Sony ULT Field 1 | Oontz Angle 3 Ultra | |
|---|---|---|
| Price | $138.00 | $39.99 |
| Ranked | #86 of 150 in Medium Size Portable Bluetooth Speakers | #135 of 150 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes (OontZ app) |
| Aux Input | No | Yes |
| Battery Life | 12 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Built-in Microphone | Yes | Yes |
| EQ | Yes | Yes (App EQ) |
| IP Rating | IP67 | IPX7 |
| Party Mode | Yes (Party Connect up to 100 speakers) | - |
| Power Bank | No | - |
| Power Input | USB-C | USB-C |
| Stereo | No | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 1.4 lbs (650 g) | 0.9 lbs (400 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | AAC, SBC | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.3 | 5.4 |
| Dimensions | 8.1” x 3” x 3” (206 x 77 x 76 mm) | 6.5” x 2.8” x 2.8” (165 x 71 x 70 mm) |
| Drivers | 83mm x 42mm woofer, 16mm tweeter + passive radiator | 2x precision drivers + 1x passive bass radiator |
| Digital Aux Input | No | No |
| Strap | Yes (detachable strap) | - |
| Bass Extension (-10dB) | - | ~90Hz |
| Amplifier Power | - | 14W |
| Maximum SPL | - | 86dB (Manufacturer specified) |
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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
- Head-to-Head Comparisons
- Sony ULT Field 1 vs JBL Grip
- Sony ULT Field 1 vs Treblab HD77
- Sony ULT Field 1 vs Tribit Xsound Go
- Sony ULT Field 1 vs Tronsmart Mirtune S100
- Sony ULT Field 1 vs KEF Muo gen2
- Sony ULT Field 1 vs Tronsmart Mirtune C3
- Sony ULT Field 1 vs Tribit Xsound Surf
- Sony ULT Field 1 vs Sonos Roam
- See all 133 comparisons
Oontz Angle 3 Ultra: $39.99 Amazon eBay
Pros: 20+ hour battery life: some reviewers see 22-24 hours at 50% volume. IPX7 rated and very light (0.9 lb). Inexpensive for the feature set. Measured bass extension of ~90Hz (-10dB).
Cons: Very little bass with horrible upper bass thud at higher levels
Full Oontz Angle 3 Ultra review and specifications →
| Amplifier Power | 14W |
|---|---|
| App | Yes (OontZ app) |
| Aux Input | Yes |
| Bass Extension (-10dB) | ~90Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.4 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 6.5” x 2.8” x 2.8” (165 x 71 x 70 mm) |
| Drivers | 2x precision drivers + 1x passive bass radiator |
| EQ | Yes (App EQ) |
| IP Rating | IPX7 |
| Maximum SPL | 86dB (Manufacturer specified) |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 0.9 lbs (400 g) |
- Links
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
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