Specifications

Zones per controller: 6 Zones per system: 36 maximum Audio source inputs: 6 Input impedance: 50 kilohms Amplifier channels: 12 Power output: 20 W RMS into 8 ohms Frequency response:    20 Hz to 20 kHz +0/-2.5 dB Distortion:    <0.10% THD+N from 20 Hz to 20 kHz Signal-to-noise ratio:    >90 dB A-weighted,    >88 dB unweighted Speaker impedance: 8 ohms Audio line outputs: Switchable fixed/    variable (zones 1 and 2 only), 2.2 Vrms Trigger output: 12 VDC 100 mA max Mute trigger input: 12VDC Dimensions: 17" W x 3.9" H x 11.5" D    (43 x 9.9 x 29.2 cm) Power rating: 100–120 VAC 3 A or    220–240 VAC 1.25 A, 50–60Hz Fuse rating: F3.0A H 250V USA/Canada    TF1.25A H 250V Europe Weight: 17 lb 12.5 oz (8.1 kg)