Short answer: the Miatone Boompro. It ranks #15 of 150 medium speakers by sound quality, rated 4.2/5, at $35.99; the Sony ULT Field 1 ranks #86, rated 3.1/5, and costs $138, so there is not much of a tradeoff to weigh.
Why pick the Miatone Boompro: Exactly the same as the Wisetiger P3 below. Watch for: Slightly less bass extension than higher ranked speakers.
Why pick the Sony ULT Field 1: IP67 rated, survives drops and 1m submersion. Watch for: Upper midrange peak, rolled off treble.
Buy the Miatone Boompro. It is rated higher for sound quality than the Sony ULT Field 1 and costs less, which makes it the one to get unless you need something the other one does better.
Looking for alternatives? See the complete Portable Bluetooth rankings.
Specifications Side By Side
| Miatone Boompro | Sony ULT Field 1 | |
|---|---|---|
| Price | $35.99 | $138.00 |
| Ranked | #15 of 150 in Medium Size Portable Bluetooth Speakers | #86 of 150 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | No | No |
| Battery Life | 16 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| EQ | No | Yes |
| IP Rating | IPX7 | IP67 |
| Power Bank | No | No |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 1.1 lbs (500 g) | 1.4 lbs (650 g) |
| Drivers | Dual drivers | 83mm x 42mm woofer, 16mm tweeter + passive radiator |
| Digital Aux Input | No | No |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) | AAC, SBC |
| Lights | Yes | - |
| Dimensions | 7.3”H x 2.8”W x 2.8”D (185 x 71 x 71 mm) | 8.1” x 3” x 3” (206 x 77 x 76 mm) |
| Amplifier Power | 36W | - |
| Bluetooth Version | 5.3 | 5.3 |
| Built-in Microphone | - | Yes |
| Party Mode | - | Yes (Party Connect up to 100 speakers) |
| Strap | - | Yes (detachable strap) |
Related Speaker Comparisons
More worthwhile head-to-heads for Miatone Boompro:
- Earfun Uboom L vs Miatone Boompro
- Miatone Boompro vs Soundcore Motion 300
- Miatone Boompro vs Soundcore Motion+
- Miatone Boompro vs Minirig 4
- JBL Charge 6 vs Miatone Boompro
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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Miatone Boompro: $35.99 Amazon eBay
Pros: Exactly the same as the Wisetiger P3 below. By far the best sounding speaker under $50. Actually very well balanced. Very balanced even at full volume. Short press the power button to change the lighting mode.
Cons: Slightly less bass extension than higher ranked speakers.
Full Miatone Boompro review and specifications →
| Amplifier Power | 36W |
|---|---|
| App | No |
| Aux Input | No |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 7.3”H x 2.8”W x 2.8”D (185 x 71 x 71 mm) |
| Drivers | Dual drivers |
| EQ | No |
| IP Rating | IPX7 |
| Lights | Yes |
| Omnidirectional | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.1 lbs (500 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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