8.7 in 2.01 in  | 11.81 in 2.36 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Sony SRS-X55 |  Sony SRS-X77 | |
|---|---|---|
| Channels | 2.1 | 2.1 |
| Low frequency | 60.0 Hz | 50.0 Hz |
| High frequency | 20.0 kHz | 22.0 kHz |
| Peak power | 30.0 W | 40.0 W |
| Supported formats | .aac | .aac |
| Number of drivers | 3 | 3 |
| Sony SRS-X55 | Sony SRS-X77 | |
|---|---|---|
| Colour of product |
|
|
| Sony SRS-X55 | Sony SRS-X77 | |
|---|---|---|
| Height | 2.01 in | 2.36 in |
| Width | 8.7 in | 11.81 in |
| Depth | 4.65 in | 5.2 in |
| Weight | 42.33 oz | 67.02 oz |
| Sony SRS-X55 | Sony SRS-X77 | |
|---|---|---|
| USB | yes | yes |
| Type of USB connector | USB | USB |
| AUX in | yes | yes |
| Source of connection |
|
|
| Aptx Support | no | no |
| Bluetooth | yes | yes |
| Bluetooth codec |
|
|
| Bluetooth profile |
|
|
| Wired inputs | 3.5mm |
|
| Bluetooth version | 2.1 | 3.0 |
| Bluetooth wireless range | 32.81 ft | 32.81 ft |
| Analogue 3.5mm input (Aux) | 1 | 1 |
| Wireless network (Wi-Fi) | no | yes |
| AirPlay | no | yes |
| DLNA | no | yes |
| NFC | yes | yes |
| Sony SRS-X55 | Sony SRS-X77 | |
|---|---|---|
| Docking station for mobile/Tablet | no | no |
| Radio receiver | no | no |
| Smart speaker (virtual assistant) | no | no |
| USB input port | yes | yes |
| Built-in microphone | yes | yes |
| Sony SRS-X55 | Sony SRS-X77 | |
|---|---|---|
| Battery operated | yes | yes |
| USB powered | no | no |
| Electric (not USB) | yes | yes |
| Battery type | Li-Ion | Li-Ion |
| Playback time | 10.0 h | 10.0 h |
| Battery life (max) | 10.0 h | 10.0 h |
| Pros | ||
|---|---|---|
| Cons |
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