Short answer: the Sony ULT Field 3, if you are buying new. The Tribit Maxsound Plus ranks higher than it (#22 vs #68 of 157 medium speakers, 4.1/5 vs 3.4/5) but is discontinued, so only consider it used; the Sony ULT Field 3 is still sold new at $208.
The Tribit Maxsound Plus is the better-sounding, lighter pick. Use XBass mode for flattest frequency response and balanced audio reproduction. At 1.3 lbs (595 g) it weighs much less than the Sony ULT Field 3 at 2.6 lbs (1.2 kg). It keeps a wired aux input, which the Sony ULT Field 3 lacks. The tradeoff: Slightly less deep bass than modern class leaders.
What the Sony ULT Field 3 does well: IP67 rated, dustproof and water resistant. It supports LDAC Bluetooth, which the Tribit Maxsound Plus lacks. It has an adjustable EQ, which the Tribit Maxsound Plus lacks. It charges over USB-C rather than Micro USB. The tradeoff: Sounds a bit hollow, a bit boosted in the treble.
Buy the Sony ULT Field 3, since the Tribit Maxsound Plus is discontinued and only worth hunting down used.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Tribit Maxsound Plus | Sony ULT Field 3 | |
|---|---|---|
| Price | $79.99 Discontinued | $208.00 |
| Ranked | #22 of 157 in Medium Size Portable Bluetooth Speakers | #68 of 157 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 58Hz | - |
| Battery Life | 20 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Built-in Microphone | No | Yes |
| EQ | No | Yes (App + ULT button) |
| IP Rating | IPX7 | IP67 |
| Bluetooth Latency | 160ms | - |
| Maximum SPL | 99dB (measured by Alan Ross Reviews) | - |
| Power Bank | No | Yes (USB-C, 5V/1.5A) |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | No | Yes |
| Weight | 1.3 lbs (595 g) | 2.6 lbs (1.2 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 4.2 | 5.2 |
| Drivers | 2x 44mm full-range drivers + 2x passive radiators | 1x 20mm tweeter + 1x 86mm x 46mm woofer |
| Amplifier Power | 24W | 27W |
| Power Input | Micro USB | USB-C |
| Dimensions | 2.6” x 7.8” x 2.7” (65 x 198 x 68 mm) | 10.1” x 4.4” x 3.1” (256 x 113 x 79 mm) |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| Strap | No | Yes (detachable shoulder strap) |
| Party Mode | - | Yes (Party Connect up to 100 speakers) |
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Prices on this page were last checked October 2, 2026 at 10:18 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: $79.99 Discontinued eBay
Newer model: the Tribit Xsound Plus 2, ranked lower, rated 3.9/5.
Pros: Use XBass mode for flattest frequency response and balanced audio reproduction. 24W output with dual 44mm drivers and dual passive radiators. Up to 20 hours battery life and IPX7 waterproof casing. Measured bass extension of 58Hz (-10dB).
Cons: Slightly less deep bass than modern class leaders. No true wireless stereo pairing between two units (introduced on the V2). Discontinued; superseded by Maxsound Plus V2 and XSound Plus 2.
Full Tribit Maxsound Plus review and specifications →
| Amplifier Power | 24W |
|---|---|
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 58Hz |
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| 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) |
| Drivers | 2x 44mm full-range drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IPX7 |
| Maximum SPL | 99dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Power Bank | No |
| Power Input | Micro USB |
| Stereo | Yes |
| Strap | No |
| TWS | No |
| Weight | 1.3 lbs (595 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: All Tribit Speakers Compared - Maxsound Plus, Stormbox, Xsound Go, Maxboom More from alanrossreviews →
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- Alan Ross Reviews: Anker Soundcore 3 vs Tribit Maxsound Plus - Best £50 speaker
- Alan Ross Reviews: Tribit Maxsound Plus v1 vs V2 - upgraded Maxsound Plus tested! 🏅
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Sony ULT Field 3: $208.00 Amazon eBay
Older models: the Sony XB33 (ranked lower, rated 3.4/5), the Sony SRS-XE300 (ranked lower, rated 2.8/5) and the Sony SRS-XB30 (ranked lower, rated 2.6/5).
Pros: IP67 rated, dustproof and water resistant. 24 hour battery life. App with 10-band EQ. Party Connect with up to 100 speakers. USB-C in/out for charging your phone.
Cons: Sounds a bit hollow, a bit boosted in the treble. Custom EQ and the ULT bass-boost button can’t be used together: turning on ULT disables the EQ. Bass is very weak with ULT off. Lost to the JBL Charge 6 in a side-by-side comparison despite being the larger speaker.
Full Sony ULT Field 3 review and specifications →
| Amplifier Power | 27W |
|---|---|
| App | Yes |
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.2 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 10.1” x 4.4” x 3.1” (256 x 113 x 79 mm) |
| Drivers | 1x 20mm tweeter + 1x 86mm x 46mm woofer |
| EQ | Yes (App + ULT button) |
| IP Rating | IP67 |
| Omnidirectional | No |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes (USB-C, 5V/1.5A) |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | Yes (detachable shoulder strap) |
| TWS | Yes |
| Weight | 2.6 lbs (1.2 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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