Dialog AP-502 vs Edifier R2750DB
Basic Specifications
| Dialog AP-502 | Edifier R2750DB | |
|---|---|---|
 |  | |
| Front speakers/satellites cabinet material | MDF | MDF |
| Subwoofer cabinet material | MDF | n/a |
| Front speakers depth | 88 mm | n/a |
| Height of front speakers | 156 mm | n/a |
| Width of front columns | 95 mm | n/a |
| Wall mounting | No | No |
| Weight of frontal speakers | 0.39 kg | n/a |
| Subwoofer height | 240 mm | n/a |
| Subwoofer width | 150 mm | n/a |
| Subwoofer depth | 266 mm | n/a |
| Subwoofer weight | 3 kg | n/a |
| Depth of center channel speaker | 88 mm | n/a |
| Height of center channel speaker | 156 mm | n/a |
| Width of center channel speaker | 95 mm | n/a |
| Rear channel speaker depth | 88 mm | n/a |
| Height of rear channel speakers | 156 mm | n/a |
| Width of rear speakers | 95 mm | n/a |
| Weight of center channel | 0.39 kg | n/a |
| Weight of rear speakers | 0.39 kg | n/a |
Interfaces
| Dialog AP-502 | Edifier R2750DB | |
|---|---|---|
| Digital optical input | No | Yes |
| USB Type A interface (for flash drive) | Yes | No |
| USB interface (for computer connection) | No | No |
| Digital coaxial input | No | Yes |
| 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 | Yes |
| Line input (stereo) connector | RCA | RCA |
| Multichannel input connectors | RCA | n/a |
Sound quality
| Dialog AP-502 | Edifier R2750DB | |
|---|---|---|
| Number of front speakers | 1 | 3 |
| Total power (RMS) | 50 W | 136 W |
| Front speakers power | 5 W | 68 W |
| Maximum playback frequency | 20000 Hz | 20000 Hz |
| Minimum reproducible frequency | 30 Hz | 45 Hz |
| Subwoofer power | 25 W | n/a |
| Rear speaker power | 5 W | n/a |
| Center channel power | 5 W | n/a |
Functions
| Dialog AP-502 | 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 | wireless | wireless |
| Built-in tuner | Yes | No |
| Powered by USB | No | No |
| DTS ES decoder | No | No |
| Controls on front side | No | No |
