Short answer: the Sony ULT Field 3 for the higher ranking, the Sony SRS-XB20 for the lower price. The Sony ULT Field 3 ranks #57 of 134 medium speakers at $148. The Sony SRS-XB20 ranks #92 at $129, $19 cheaper.
What the Sony SRS-XB20 gets right: IPX5 rated pill shape slides easily into a bag. The tradeoff: Sounds thin at higher volumes.
On the Sony ULT Field 3 side: IP67 rated, dustproof and water resistant. The catch: Sounds a bit hollow, a bit boosted in the treble.
Buy the Sony SRS-XB20 if the price matters more than the ranking. Buy the Sony ULT Field 3 if the ranking matters more than the price.
Specifications Side By Side
| Sony SRS-XB20 | Sony ULT Field 3 | |
|---|---|---|
| Price | $129 | $148 |
| Ranked | #92 of 134 in Medium Size Portable Bluetooth Speakers | #57 of 134 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Battery Life | 12 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| Party Mode | Yes (Partychain up to 100 speakers) | Yes (Party Connect up to 100 speakers) |
| Weight | 1.3 lbs / 590 g | 2.6 lbs / 1.2 kg |
| IP Rating | IPX5 | IP67 |
| Bluetooth Version | 4.2 | 5.2 |
| Bluetooth Codecs | SBC, AAC, LDAC | SBC, AAC, LDAC |
| Dimensions | 7.8" x 2.68" x 2.72" (198 x 68 x 69 mm) | 10.1" x 4.5" x 3.1" (256 x 113 x 79 mm) |
| TWS | Yes | Yes |
| Stereo | Yes | Yes |
| App | Yes (SongPal) | Yes |
| EQ | No | Yes (App + ULT button) |
| Built in Microphone | Yes | Yes |
| Power Input | Micro USB | USB-C |
| Power Bank | No | Yes |
| Output Power | 20W | 27W |
| Drivers | 2x 42mm full-range drivers + 2x passive radiators | 1x 20mm tweeter + 1x 86mm x 46mm woofer |
The Two Speakers In Full
Sony SRS-XB20: $129
Pros: IPX5 rated pill shape slides easily into a bag. 12 hour battery life.
Cons: Sounds thin at higher volumes. Bass falls away quickly.
| App | Yes (SongPal) |
|---|---|
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Dimensions | 7.8" x 2.68" x 2.72" (198 x 68 x 69 mm) |
| Drivers | 2x 42mm full-range drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IPX5 |
| Output Power | 20W |
| Party Mode | Yes (Partychain up to 100 speakers) |
| Power Bank | No |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs / 590 g |
- Reviews, Comparisons and Sound Samples
- Links
Sony ULT Field 3: $148 Amazon
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.
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Dimensions | 10.1" x 4.5" 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 |
| Output Power | 27W |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 2.6 lbs / 1.2 kg |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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- Sony ULT Field 3 vs Sony SRS-XE300
- Sony ULT Field 3 vs Tribit Stormbox Mini+
- Sony ULT Field 3 vs Turtlebox Ranger
- Sony ULT Field 3 vs Yamaha True X Speaker 1A
- Sony ULT Field 3 vs JBL Charge Essential 2
- Sony ULT Field 3 vs JBL Flip 7
- Sony ULT Field 3 vs JBL Flip Essential
- Sony ULT Field 3 vs Marshall Emberton III
- Sony ULT Field 3 vs Ultimate Ears Megaboom 3
- Sony ULT Field 3 vs Xiaomi Sound Party
- Sony ULT Field 3 vs Bose Soundlink Flex 2nd gen
- Sony ULT Field 3 vs Harman Kardon Luna
- Sony ULT Field 3 vs Huawei Sound Joy
- Sony ULT Field 3 vs JBL Charge 5
- Sony ULT Field 3 vs JBL Flip 6
- Sony ULT Field 3 vs Sonos Roam
- Sony ULT Field 3 vs Sonos Roam 2
- Sony ULT Field 3 vs Sony XB33
- Sony ULT Field 3 vs Soundcore Boom 3i
- Sony ULT Field 3 vs Ultimate Ears Boom 3
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.

