Model DSP-204 DSP-306
Inputs\Outputs 2 Inputs & 4 Outputs(XLR Balanced) 3 Inputs & 6 Outputs(XLR Balanced)
Input\Output Impedance 20K Ohms\100 Ohms 20K Ohms\100 Ohms
Input\Output Gain -12 dB to +12dB  -40dB to +12dB
Input Level -20dB,-10dB,0dB,+10dB,Clip -20dB,-10dB,0dB,+10dB,Clip
Output Level -20dB,-10dB,0dB,Limiter,Clip -20dB,-10dB,0dB,Limiter,Clip
Distortion  ≤0.02% at 1kHz 0dB  ≤0.02% at 1kHz 0dB
S/N >90dB >90dB
Frequency Response 20Hz to 20kHz ±0.5dB 20Hz to 20kHz ±0.5dB
Limiter Threshold -20dBu to +10dBu -20dBu to +20dBu
Attack Time 0.3ms to 100ms 0.5ms to 50ms
Release Time 2X\4X\8X\16X\32X 10ms to 1sec
Input Delay 0 to 20.16ms 0 to 1000ms
Output Delay 0 to 20.16ms 0 to 1000ms
Parametric Equalisation 8 per Input/8 per Output 8 per Input/8 per Output
High and Lowpass Filters Bessel/Linkwitz-Riley/Butterworth

12dB/18dB/24dB/48dB

Bessel/Linkwitz-Riley/Butterworth

12dB/18dB/24dB/48dB

Freq. Range HPF/LPF 19.7Hz to 20.1KHz 19.7Hz to 21.9KHz
Power 110VAC to 230VAC 50Hz to 60Hz <32W 110VAC to 230VAC 50Hz to 60Hz <32W
Display 2 x 24 Character LCD 2 x 24 Character LCD
Size(mm) 482 /185/45 482 /185/45
Net Weight  2.42Kg  2.62Kg