Apart Champ-3d, Digital Amplifier, Fully programmable 3-channel digital amplifier with convections cooling, Internal DSP, Fully parametric 4-band equaliser, RS232 Control, All main functions, Power (program) per channel (L/R amplifier): 367 W at 4 ohms, Power top channels: 2x 530 W at 2.7 ohms, Power sub channel: 1350 W at 2 ohms, Integrierted programmable SPL limiter / limiter leveller, Volume control via external potentiometer is possible, Input channels: 2x Balanced XLR-m, 2x balanced XLR-f, 2x balanced Euroblock, Input sensitivity: 0 dBV/1V, Frequency ranfe: 10 - 24 kHz +0/-3 dB, Internal DSP: Compressor/limiter, crossover, subwoofer phase, fully parametric 4-band EQ, auto loudness, Speaker delay, configuration assistant for Apart speaker, Crossover: Linkwitz-Riley and Butterworth characteristics, 12 Up to 48 dB/oct or 6 dB/oct first order filter, Subsonic filter: 48 dB/Okt, between 10 and 80 Hz, defeatable, Protected circuit design: Short circuit, overheating, DC, AC and DC under- and overvoltage, Channel separation: <80 dB @ 1 kHz, Damping factor: < 400 all channels, Circuit design: Class-D, Dimensions (BxWxD): 483 x 89 x 380 mm, Weight: 16 kg