Zapco ADSP-Z16 IV-12A Integrated 16 Channel DSP 12 Channel Class D AmplifierADSP Z16 IV 12A Integrated 16 Ch. DSP 12 Ch. Class D Amplifier New features, new control even improved sound quality. DSP Processor: Cirrus Logic CS47048 Power: 150 MHz 32 bit 192 KHz 16 Channels ADC: Cirrus Logic CS47048 32 bit 192 KHz ADC Dynamic Range THD: 108 dB 98 dB DAC: Cirrus Logic CS47048 32 bit 192 KHz DAC Dynamic Range THD: 140 dB 120 dB Low level (Pre) Sensitivity: 1 5 VRMS High Level (Spk In) Sens.: 2 20 V Optical Digital IN: 24 bit 192