Short answer: the Soundcore 3/Soundcore Select 2. It ranks #54 of 136 medium speakers by sound quality at $49.99; the Sony ULT Field 1 ranks #76 and costs $98, so there is not much of a tradeoff to weigh.
What the Soundcore 3/Soundcore Select 2 offers: Good battery life - 20+ hours on a charge. IPX7 rated. PartyCast mode links multiple speakers; app EQ presets. Watch for: A little less bass than similar size speakers.
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
Buy the Soundcore 3/Soundcore Select 2. It ranks higher for sound quality than the Sony ULT Field 1 and costs less, so the other one has nothing left to offer.
There is a real battery-life gap here: the Soundcore 3/Soundcore Select 2 is rated for 24 hours, the Sony ULT Field 1 only 12 hours.
Specifications Side By Side
| Soundcore 3/Soundcore Select 2 | Sony ULT Field 1 | |
|---|---|---|
| Price | $49.99 | $98.00 |
| Ranked | #54 of 136 in Medium Size Portable Bluetooth Speakers | #76 of 136 in Medium Size Portable Bluetooth Speakers |
| App | Yes | Yes |
| Bass Extension (-10dB) | 60Hz | - |
| Battery Life | 24 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| EQ | Yes | Yes |
| Bluetooth Latency | 180ms | - |
| Max Volume | 99dB | - |
| Party Mode | Yes (PartyCast up to 100 speakers) | Yes (Party Connect up to 100 speakers) |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| Weight | 0.8 lbs / 372 g | 1.4 lbs / 650 g |
| Bluetooth Version | 5.0 | 5.3 |
| Dimensions | 6.9" x 2.2" x 2.3" (174 x 57 x 59 mm) | 8.1" x 3" x 3" (206 x 77 x 76 mm) |
| Output Power | 16W | - |
| Drivers | 2x 38mm (1.5") titanium diaphragm full-range drivers + 2x passive radiators | 83mm x 42mm woofer, 16mm tweeter + passive radiator |
| IP Rating | IPX7 | IP67 |
| Digital Aux Input | No | No |
| Aux Input | - | No |
| Built in Microphone | - | Yes |
| Power Bank | - | No |
| Power Input | - | USB-C |
| TWS | - | Yes |
| Bluetooth Codecs | - | AAC, SBC |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Soundcore Motion 100 vs JBL Grip
- Treblab HD77 vs Tribit Stormbox 2
- JBL Grip vs W-King D8 Mini
- Soundcore 3/Soundcore Select 2 vs JBL Grip
- Soundcore 3/Soundcore Select 2 vs Sony XB23
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
Soundcore 3/Soundcore Select 2: $49.99 Amazon eBay
Pros: Good battery life - 20+ hours on a charge. IPX7 rated. PartyCast mode links multiple speakers; app EQ presets.
Cons: A little less bass than similar size speakers.
Full Soundcore 3/Soundcore Select 2 review and specifications →
| App | Yes |
|---|---|
| Bass Extension (-10dB) | 60Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Latency | 180ms |
| Bluetooth Version | 5.0 |
| Digital Aux Input | No |
| Dimensions | 6.9" x 2.2" x 2.3" (174 x 57 x 59 mm) |
| Drivers | 2x 38mm (1.5") titanium diaphragm full-range drivers + 2x passive radiators |
| EQ | Yes |
| IP Rating | IPX7 |
| Max Volume | 99dB |
| Omnidirectional | No |
| Output Power | 16W |
| Party Mode | Yes (PartyCast up to 100 speakers) |
| Stereo | Yes |
| Weight | 0.8 lbs / 372 g |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Anker Soundcore 3 vs Tribit Maxsound Plus - Best £50 speaker More from alanrossreviews →
- Alan Ross Reviews: Soundcore Boost vs Soundcore 3 - Best small bluetooth speaker❓
- HQ AUDIO Exchange: Anker SoundCore 3 Vs. SoundCore Select 2 Bass Sound Test
- Reddit Search for Soundcore 3/Soundcore Select 2 Review
- Head-to-Head Comparisons
- Soundcore 3/Soundcore Select 2 vs Bose Soundlink Mini 2
- Soundcore 3/Soundcore Select 2 vs Bose Soundlink Mini
- Soundcore 3/Soundcore Select 2 vs Sony ULT Field 3
- Soundcore 3/Soundcore Select 2 vs JBL Charge 4
- Soundcore 3/Soundcore Select 2 vs Xiaomi Mi Portable
- Soundcore 3/Soundcore Select 2 vs Tribit Stormbox Flow
- Soundcore 3/Soundcore Select 2 vs Sony XB33
- Soundcore 3/Soundcore Select 2 vs Bose Soundlink Revolve
- See all 70 comparisons
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