Short answer: the JBL Xtreme 3 for a full size class more speaker, the Sony ULT Field 3 for features and battery. The Xtreme 3 has better treble and deeper bass than the Xtreme 2 and is more balanced than the Xtreme 4. The Sony brings IP67 sealing, a 24-hour battery, a 10-band EQ and Party Connect for up to 100 speakers, though it sounds a bit hollow with boosted treble.
Buy the JBL Xtreme 3 at $269.95 if you want a large speaker. Buy the Sony ULT Field 3 at $208 if you want a medium speaker instead.
Want more options? Browse the full Portable Bluetooth rankings.
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Specifications Side By Side
| JBL Xtreme 3 | Sony ULT Field 3 | |
|---|---|---|
| Price | $269.95 | $208.00 |
| Ranked | #18 of 120 in Large Size Portable Bluetooth Speakers | #71 of 179 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 53Hz | - |
| Battery Life | 15 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Bluetooth Latency | 133ms | - |
| Maximum SPL | 105dB (measured by Alan Ross Reviews) | - |
| Party Mode | Yes (PartyBoost up to 100 speakers) | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes (USB-A + USB-C) | Yes (USB-C, 5V/1.5A) |
| Power Input | USB-C | USB-C |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| Weight | 4 lbs (1.83 kg) | 2.6 lbs (1.2 kg) |
| App | No | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| Built-in Microphone | Yes | Yes |
| EQ | No | Yes (App + ULT button) |
| IP Rating | IPX7 | IP67 |
| Bluetooth Version | 4.1 | 5.2 |
| Dimensions | 11.7” x 5.4” x 5.3” (298 x 136 x 134 mm) | 10.1” x 4.4” x 3.1” (256 x 113 x 79 mm) |
| Drivers | 2x 70mm woofers, 2x 20mm tweeters | 1x 20mm tweeter + 1x 86mm x 46mm woofer |
| Frequency Response | 53.5Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 100W | 27W |
| Digital Aux Input | No | No |
| Strap | Yes (detachable shoulder strap) | Yes (detachable shoulder strap) |
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