| DP88 |
| Analog input | 8 bal |
| Analog output | 8 bal |
| Max input level | line:+18dBu; mic:-18dBu |
| Max output level | +18dBu |
| THD+N | 0.005% at 1kHz 0dBu |
| S/N | >104dBu |
| Frequency response | 20Hz - 20kHz±1dBu |
| AD/DA converter | 4×AK5385B 24bit，1×AK4358 24bit |
| DSP | Dream SAM3716, 24x32bit filter processing, 96bit precision intermediate data calculation |
| Input EQ | Each input channel has 3 Bell or Shelving filters |
| Output EQ | Each output channel has 5 Bell or Shelving filters |
| Filter type | Symmetric Bell or high/low Shelving to the second level command |
| Filter gain | Bell or Shelving gain: ±12dBu, step: 0.5dBu |
| Center frequency | 1/24th octave resolution per step within ±20Hz |
| Q value/band width | Q/BW range: 0.4/3.59~10/0.0312; Q/BW step: 0.1 res |
| High/low pass filter | The first level command (Butterworth -6dB/Oct) to the fourth level command (Butterworth, Linkwitz-Riley or Bessel -24dB/Oct |
| RMS limiter | Threshold: 18dBu~-12dBu |
| Test time: 5ms~200ms (1ms res~20ms; 10ms res~100ms; 20ms~200ms) |
| Release time: 0.1s~3s (0.1s res) |
| Ratio: 1:1 (shoot through) ~32:1 (hard limiting), step: 0.1 |
| Delay | Max 380.998ms delay for each output, step: 21us |
| Feedback activation | Only available when selecting mic in |
| Default parameter | 6 user call; 4 S1-S4 digital input |
| Front panel | 2x24 LCD screen |
| Each input has 6 indicators (line/mic/feedback/signal/clip/limit) |
| 1 phantom power indicator |
| 6 key switch potentiometer can control and edit each channel alone |
| Type B USB connector |
| Rear panel | 2 x 12pin Phoenix connector (mic/line in) |
| 2 x 12pin Phoenix connector (line out) |
| 2 x 4pin Phoenix connector (S1-S4 digital input, level:0-5V) |
| 2 x 4pin Phoenix connector (S1-S4 digital output, level:0-5V) |
| 2 x RJ45-RS485 input/output seat |
| 1 x RJ45- Internet seat (10/100 TCP-IP) |
| AC supply | IEC C13 16A, power socket: rocker switch |
| 90-240V AC (50/60Hz) - 40W |
| Dimension | 482x44x229mm, 1U |
| Net/gross weight | 3.5/4kg |