Specifications

Zones
6 per controller, 36 total per system

Sources
6 stereo audio, including built-in tuner

Control interfaces
Russound UNO keypads
Russound UNO touchscreens
RS-232 control system (e.g., AMX, CorAccess,
  Crestron)

Convenience features
System on/off from any keypad
Muting for doorbell or telephone
Favorite program presets
Do Not Disturb mode
Party mode

Zone audio controls
Volume
Balance
Bass and treble
Loudness compensation

AM tuner
Tuning range: 530–1710 kHz
Sensitivity @ 20 dB S/N ratio: 55 dBu
Image rejection: 33 dB
Signal-to-noise ratio: 45 dB
AM antenna: 300 ohms unbalanced

FM tuner
Tuning range: 87.7–107.9 MHz
Sensitivity @ 30 dB S/N ratio: 6 dB max 12 dBu
Image rejection: 80 dB
Signal-to-noise ratio: 60 dB
FM antenna: 75 ohms unbalanced

XM tuner
Tuning range: 2332.5–2345 MHz
XM antenna: 50 ohms SMB

Audio amplifier
Total channels: 12
Power: 20 watts per channel RMS into 8 ohms
Minimum load impedance: 6 ohms
Frequency response: 20 Hz – 20 kHz ±0.5 dB
Total Harmonic Distortion: ≤0.05%
Signal-to-noise ratio: 88 dB

Audio connections
Source inputs: 6 (including internal tuner)
Source input level: 5 volts peak-to-peak, 10 kilohms
Zone outputs: 6 speaker level, 2 switchable
  line level
Zone variable line level:
  5.6 volts peak-to-peak, 4 ohms @ 1 kHz
Zone fixed line level:
  5.6 volts peak-to-peak, 4 ohms @ 1 kHz

Trigger connections
Mute trigger input: 12 VDC
Mute trigger output: 12 VDC 100 mA
Home theater trigger input: 12 VDC
System trigger output: 12 VDC 100 mA

Power
Voltage: 110 or 240 VAC, 50–60 Hz
Fuse Rating:
  F3A H 250V in USA and Canada
  T1.25A H 250V in Europe

Physical
Dimensions: 17" W x 12" D x 3.5" H
  (43 x 30.5 x 9 cm)
Weight: 18 lb (8.1 kg)

Included accessories
845.1 IR emitters (6)
Rack ears