Denon HEOS Drive Multi Zone CI Amplifier with 4 HEOS Zones and 8-channel Class-D amplification (60W x 8, 20Hz–20kHz, 0.05% THD). Dedicated preamplifier output for each zone (selectable as stereo or subwoofer). 3rd party control compatible. Includes Hi-Res Audio Streaming, 4 x 12V trigger outputs, 2 fiber optic inputs, 2 digital coax inputs, 4 analog inputs (matrix switching), and Dolby Digital decoding.