Edifier R2750DB vs Microlab B77
Basic Specifications
| Edifier R2750DB | Microlab B77 | |
|---|---|---|
 |  | |
| Front speakers/satellites cabinet material | MDF | MDF |
| Front speakers depth | n/a | 221 mm |
| Height of front speakers | n/a | 266 mm |
| Width of front columns | n/a | 154 mm |
| Wall mounting | No | No |
| Weight of the set | n/a | 5.6 kg |
| Weight of frontal speakers | n/a | 5.6 kg |
Interfaces
| Edifier R2750DB | Microlab B77 | |
|---|---|---|
| Digital optical input | Yes | No |
| USB Type A interface (for flash drive) | No | No |
| USB interface (for computer connection) | No | No |
| Digital coaxial input | Yes | No |
| Support for SD memory cards | No | No |
| Line input (stereo) | Yes | Yes |
| Headphone jack | No | No |
| Mains power | Yes | Yes |
| Battery power | No | No |
| Bluetooth | Yes | No |
| Wireless connection | Yes | No |
| Subwoofer output | Yes | No |
| Line input (stereo) connector | RCA | RCA |
Sound quality
| Edifier R2750DB | Microlab B77 | |
|---|---|---|
| Number of front speakers | 3 | 2 |
| Magnetic shielding of front speakers/satellites | n/a | Yes |
| Total power (RMS) | 136 W | 48 W |
| Front speakers power | 68 W | 24 W |
| Maximum playback frequency | 20000 Hz | 20000 Hz |
| Minimum reproducible frequency | 45 Hz | 55 Hz |
| Signal to noise ratio | n/a | 70 dB |
| Separation of channels | n/a | 52 dB |
Functions
| Edifier R2750DB | Microlab B77 | |
|---|---|---|
| HF adjustment | Yes | Yes |
| LF adjustment | Yes | Yes |
| DTS decoder | No | No |
| Dolby Pro Logic II decoder | No | No |
| Dolby Digital decoder | No | No |
| Remote control | wireless | n/a |
| Built-in tuner | No | No |
| Powered by USB | No | No |
| DTS ES decoder | No | No |
| Controls on front side | No | n/a |
