Edifier S330D vs Edifier R2750DB
Basic Specifications
| Edifier S330D | Edifier R2750DB | |
|---|---|---|
 |  | |
| Front speakers/satellites cabinet material | n/a | MDF |
| Front speakers depth | 100 mm | n/a |
| Height of front speakers | 190 mm | n/a |
| Width of front columns | 68 mm | n/a |
| Wall mounting | No | No |
| Subwoofer height | 286 mm | n/a |
| Subwoofer width | 246 mm | n/a |
| Subwoofer depth | 246 mm | n/a |
Interfaces
| Edifier S330D | Edifier R2750DB | |
|---|---|---|
| Digital optical input | Yes | Yes |
| USB Type A interface (for flash drive) | No | No |
| USB interface (for computer connection) | No | No |
| Digital coaxial input | Yes | Yes |
| Support for SD memory cards | No | No |
| Line input (stereo) | Yes | Yes |
| Headphone jack | Yes | No |
| Mains power | Yes | Yes |
| Battery power | No | No |
| Bluetooth | n/a | Yes |
| Wireless connection | n/a | Yes |
| Subwoofer output | n/a | Yes |
| Line input (stereo) connector | RCA | RCA |
Sound quality
| Edifier S330D | Edifier R2750DB | |
|---|---|---|
| Number of front speakers | 2 | 3 |
| Magnetic shielding of front speakers/satellites | Yes | n/a |
| Magnetic shielding of subwoofer | Yes | n/a |
| Total power (RMS) | 72 W | 136 W |
| Front speakers power | 18 W | 68 W |
| Maximum playback frequency | 20000 Hz | 20000 Hz |
| Minimum reproducible frequency | 20 Hz | 45 Hz |
| Signal to noise ratio | 85 dB | n/a |
| Subwoofer power | 36 W | n/a |
Functions
| Edifier S330D | Edifier R2750DB | |
|---|---|---|
| HF adjustment | No | Yes |
| LF adjustment | Yes | Yes |
| DTS decoder | No | No |
| Dolby Pro Logic II decoder | No | No |
| Dolby Digital decoder | No | No |
| Remote control | wired | wireless |
| Built-in tuner | No | No |
| Powered by USB | No | No |
| DTS ES decoder | No | No |
| Controls on front side | n/a | No |
