Ginzzu GM-425 vs Microlab B77BT
Basic Specifications
| Ginzzu GM-425 | Microlab B77BT | |
|---|---|---|
 |  | |
| Front speakers/satellites cabinet material | MDF | MDF |
| Subwoofer cabinet material | MDF | n/a |
| Front speakers depth | 116 mm | 221 mm |
| Height of front speakers | 202 mm | 266 mm |
| Width of front columns | 105 mm | 154 mm |
| Wall mounting | No | No |
| Subwoofer height | 312 mm | n/a |
| Subwoofer width | 170 mm | n/a |
| Subwoofer depth | 330 mm | n/a |
Interfaces
| Ginzzu GM-425 | Microlab B77BT | |
|---|---|---|
| Digital optical input | No | No |
| USB Type A interface (for flash drive) | Yes | No |
| USB interface (for computer connection) | No | No |
| Digital coaxial input | No | No |
| Support for SD memory cards | Yes | No |
| Line input (stereo) | Yes | Yes |
| Headphone jack | No | No |
| Mains power | Yes | Yes |
| Battery power | No | No |
| Bluetooth | Yes | Yes |
| Wireless connection | Yes | Yes |
| Subwoofer output | No | No |
| Line input (stereo) connector | RCA | RCA |
Sound quality
| Ginzzu GM-425 | Microlab B77BT | |
|---|---|---|
| Number of front speakers | 1 | 2 |
| Magnetic shielding of front speakers/satellites | Yes | n/a |
| Magnetic shielding of subwoofer | Yes | n/a |
| Total power (RMS) | 60 W | 64 W |
| Front speakers power | 15 W | 32 W |
| Maximum playback frequency | 20000 Hz | 20000 Hz |
| Minimum reproducible frequency | 40 Hz | 50 Hz |
| Signal to noise ratio | 78 dB | 75 dB |
| Subwoofer power | 30 W | n/a |
| Separation of channels | n/a | 50 dB |
Functions
| Ginzzu GM-425 | Microlab B77BT | |
|---|---|---|
| HF adjustment | n/a | Yes |
| LF adjustment | n/a | 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 | Yes | No |
| Powered by USB | No | No |
| DTS ES decoder | No | No |
| Controls on front side | Yes | No |
