Short answer: the Tribit Maxsound Plus V1/V2/Thunderbox Plus. It ranks #21 of 136 medium speakers by sound quality at $79.99; the Sony ULT Field 1 ranks #76 and costs $98, which makes this an easy call rather than a real tradeoff.
What the Tribit Maxsound Plus V1/V2/Thunderbox Plus offers: Use Xbass mode for flattest frequency response. V1/V2/Thunderbox Plus sound exactly the same. Watch for: Slightly less deep bass than the best in category.
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 Tribit Maxsound Plus V1/V2/Thunderbox Plus. It ranks higher for sound quality than the Sony ULT Field 1 and costs less, so the other one has nothing left to offer.
If battery life is a priority, the Tribit Maxsound Plus V1/V2/Thunderbox Plus is rated for 20 hours versus 12 hours for the Sony ULT Field 1.
Specifications Side By Side
| Tribit Maxsound Plus V1/V2/Thunderbox Plus | Sony ULT Field 1 | |
|---|---|---|
| Price | $79.99 | $98.00 |
| Ranked | #21 of 136 in Medium Size Portable Bluetooth Speakers | #76 of 136 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 58Hz | - |
| Battery Life | 20 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Built in Microphone | No | Yes |
| EQ | No | Yes |
| IP Rating | IPX7 | IP67 |
| Bluetooth Latency | 160ms | - |
| Max Volume | 99dB | - |
| Power Bank | No | No |
| Stereo | Yes | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 1.3 lbs / 595 g | 1.4 lbs / 650 g |
| Bluetooth Version | 4.2 | 5.3 |
| Drivers | 2x 44mm full-range drivers + 2x passive radiators | 83mm x 42mm woofer, 16mm tweeter + passive radiator |
| Output Power | 24W | - |
| Dimensions | 2.6" x 7.8" x 2.7" (65 x 198 x 68 mm) (2.56 x 7.79 x 2.68 inches) | 8.1" x 3" x 3" (206 x 77 x 76 mm) |
| Digital Aux Input | No | No |
| Party Mode | - | Yes (Party Connect up to 100 speakers) |
| Power Input | - | USB-C |
| Bluetooth Codecs | - | AAC, SBC |
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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
Tribit Maxsound Plus V1/V2/Thunderbox Plus: $79.99 Amazon eBay
Pros: Use Xbass mode for flattest frequency response. V1/V2/Thunderbox Plus sound exactly the same.
Cons: Slightly less deep bass than the best in category.
Full Tribit Maxsound Plus V1/V2/Thunderbox Plus review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 58Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Latency | 160ms |
| Bluetooth Version | 4.2 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 2.6" x 7.8" x 2.7" (65 x 198 x 68 mm) (2.56 x 7.79 x 2.68 inches) |
| Drivers | 2x 44mm full-range drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IPX7 |
| Max Volume | 99dB |
| Omnidirectional | No |
| Output Power | 24W |
| Power Bank | No |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs / 595 g |
- Links
- Reviews, Comparisons and Sound Samples
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- Reddit Search for Tribit Maxsound Plus V1/V2/Thunderbox Plus Review
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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