The Sony XB and ULT line on Speaker Ranking spans 4 generations and 21 models, from the Sony SRS-XB30, Sony SRS-XG500 and Sony SRS-XB20 to the Sony ULT Field 1, Sony ULT Field 7 and Sony ULT Tower 10. Ratings run from 2.6/5 to 4.8/5. Of these, 10 are still sold.
Each column below is one generation, oldest on the left. Each row follows one model into the model that replaced it; a long arrow means a model skipped a generation. Ratings are out of 5, and an estimated rating comes from measured models in the same family.
SRS-XG300Discontinuedcontinues as ULT Field 5
SRS-XE300Discontinuedcontinues as ULT Field 3
More from this brand: every Sony speaker ranked.
Generation by generation
SRS-XB30 to SRS-XB31
The Sony SRS-XB31 replaced the Sony SRS-XB30. It rates higher, 2.8/5 against 2.6/5.
| Spec | SRS-XB30 | SRS-XB31 |
|---|---|---|
| IP Rating | IPX5 | IP67 |
| Weight | 2.2 lbs (1000 g) | 2 lbs (890 g) |
SRS-XB31 to XB33
The Sony XB33 replaced the Sony SRS-XB31. It rates higher, 3.4/5 against 2.8/5.
| Spec | SRS-XB31 | XB33 |
|---|---|---|
| Bluetooth Version | 4.2 | 5.0 |
| Weight | 2 lbs (890 g) | 2.4 lbs (1.1 kg) |
XB33 to ULT Field 3
The Sony ULT Field 3 replaced the Sony XB33. Both rate 3.4/5.
| Spec | XB33 | ULT Field 3 |
|---|---|---|
| Amplifier Power | 16W RMS | 27W |
| Bluetooth Version | 5.0 | 5.2 |
| Weight | 2.4 lbs (1.1 kg) | 2.6 lbs (1.2 kg) |
Full XB33 vs ULT Field 3 comparison
SRS-XG500 to ULT Field 7
The Sony ULT Field 7 replaced the Sony SRS-XG500. It rates higher, 3.2/5 against 3.0/5.
| Spec | SRS-XG500 | ULT Field 7 |
|---|---|---|
| Amplifier Power | 2x 25W + 2x 10W | 100W |
| IP Rating | IP66 | IP67 |
| Bluetooth Version | 5.0 | 5.2 |
| Weight | 12.3 lbs (5.6 kg) | 13.9 lbs (6.3 kg) |
Full SRS-XG500 vs ULT Field 7 comparison
SRS-XB20 to SRS-XB21
The Sony SRS-XB21 replaced the Sony SRS-XB20. It rates lower, 2.7/5 against 2.8/5.
| Spec | SRS-XB20 | SRS-XB21 |
|---|---|---|
| IP Rating | IPX5 | IP67 |
| Weight | 1.3 lbs (590 g) | 1.2 lbs (530 g) |
SRS-XB21 to XB23
The Sony XB23 replaced the Sony SRS-XB21. It rates higher, 3.3/5 against 2.7/5.
| Spec | SRS-XB21 | XB23 |
|---|---|---|
| IP Rating | IP67 | IPX4 |
| Bluetooth Version | 4.2 | 5.0 |
| Weight | 1.2 lbs (530 g) | 1.3 lbs (580 g) |
XB23 to ULT Field 1
The Sony ULT Field 1 replaced the Sony XB23. It rates lower, 3.1/5 against 3.3/5.
| Spec | XB23 | ULT Field 1 |
|---|---|---|
| IP Rating | IPX4 | IP67 |
| Bluetooth Version | 5.0 | 5.3 |
| Weight | 1.3 lbs (580 g) | 1.4 lbs (650 g) |
Full XB23 vs ULT Field 1 comparison
SRS-XV800 to ULT Tower 7
The Sony ULT Tower 7 replaced the Sony SRS-XV800. It rates higher, 4.7/5 against 4.1/5.
| Spec | SRS-XV800 | ULT Tower 7 |
|---|---|---|
| Amplifier Power | 77W | 420W |
| Battery Life | 25 hours | 30 hours |
| IP Rating | IPX4 (vertical) / IPX2 (horizontal) | IPX4 |
| Bluetooth Version | 5.2 | 5.3 |
| Weight | 40.8 lbs (18.5 kg) | 50.3 lbs (22.8 kg) |
SRS-XB43 to ULT Field 5
The Sony ULT Field 5 replaced the Sony SRS-XB43. Both rate 3.5/5.
| Spec | SRS-XB43 | ULT Field 5 |
|---|---|---|
| Amplifier Power | 32W RMS | 27W |
| Battery Life | 24 hours | 25 hours |
| Bluetooth Version | 5.0 | 5.3 |
| Weight | 6.5 lbs (2.95 kg) | 7.3 lbs (3.3 kg) |
Full SRS-XB43 vs ULT Field 5 comparison
SRS-XV900 to ULT Tower 9
The Sony ULT Tower 9 replaced the Sony SRS-XV900. It rates higher, 4.2/5 against 3.7/5.
| Spec | SRS-XV900 | ULT Tower 9 |
|---|---|---|
| Amplifier Power | 100W | 148W |
| Bluetooth Version | 5.2 | 5.3 |
| Weight | 58.6 lbs (26.6 kg) | 65.3 lbs (29.6 kg) |
Full SRS-XV900 vs ULT Tower 9 comparison
Frequently Asked Questions
How many generations of the Sony XB and ULT are there?
Speaker Ranking covers 4 generations of the Sony XB and ULT, from the Sony SRS-XB30, Sony SRS-XG500 and Sony SRS-XB20 to the Sony ULT Field 1, Sony ULT Field 7 and Sony ULT Tower 10.
What replaced the Sony SRS-XB20?
The Sony SRS-XB21 replaced the Sony SRS-XB20. It is rated 2.7/5, against 2.8/5 for the Sony SRS-XB20.
What replaced the Sony SRS-XB21?
The Sony XB23 replaced the Sony SRS-XB21. It is rated 3.3/5, against 2.7/5 for the Sony SRS-XB21.
What replaced the Sony XB23?
The Sony ULT Field 1 replaced the Sony XB23. It is rated 3.1/5, against 3.3/5 for the Sony XB23.
What replaced the Sony SRS-XV800?
The Sony ULT Tower 7 replaced the Sony SRS-XV800. It is rated 4.7/5, against 4.1/5 for the Sony SRS-XV800.
What replaced the Sony SRS-XB43?
The Sony ULT Field 5 replaced the Sony SRS-XB43. Both are rated 3.5/5.
What replaced the Sony SRS-XV900?
The Sony ULT Tower 9 replaced the Sony SRS-XV900. It is rated 4.2/5, against 3.7/5 for the Sony SRS-XV900.