Parasound ZoneMaster ZM4 High Power 2-Zone Distribution Amplifier - Parasound

Features

• 120 watts x4 @ 8 Ω
• 150 watts x4 @ 4 Ω or 2 Ω
• 8 speaker connections (A and B outputs for both channels)
• High current for stable operation at 2 Ohms
• Class AB input stage plus premium Class D power stage
• Bus input with looping outputs
• Audio sensing auto-on trigger, independent for each zone
• 12 volt auto-on trigger inputs, one for each zone
• Master 12V trigger input to turn all zones on-off together
• Looping 12 volt trigger outputs
• Speaker level input for expanding systems w/out pre out jacks
• Mono mode combines L and R for single speaker applications
• Separate level controls for all 4 channels
• Detachable speaker connectors accept up to 12 gauge wire
• Short circuit and overheat protection with front panel indicators
• 0.5 watt standby power consumption meets Energy Star & EU specs
• Compact 1u chassis size

What to expect in the box:

• ZoneMaster ZM4
• Rack mount kit

Product Details:

• Power Output – RMS, Both Channels Driven (20 Hz - 20 kHz)
• 120 watts x 4 @ 8Ω
• 150 watts x 4 @ 4Ω or 2Ω
• Minimum Speaker Impedance:
• A+B Outputs of a Single Channel: 2 Ω
• Note: Continuous operation at this minimum impedance might require additional ventilation for the amplifier.
• Frequency Response:
• 20 Hz - 20 kHz, +0/-0.25 dB
• 5 Hz - 50 kHz, +0/-3 dB
• Total Harmonic Distortion:
• < 0.05 % at typical listening levels
• < 1.0% at full power
• Interchannel Crosstalk: 70 dB at 20 kHz
• Total Gain: 29 dB (Level controls set to Maximum)
• S/N Ratio: >112 dB, input shorted, IHF A-weighted
• DC Trigger Requirements: +9 Vdc to +12 Vdc, 5 mA
• Audio Trigger Requirements: 2 mV audio signal
• AC Power Requirement:
• 600 Watts maximum
• 60 Watts typical (music playing in all zones)
• 30 Watts idle (all zones on)
• 15 Watts idle (one zone on)
• 100-250 VAC 50/60 Hz (automatic)
• Dimensions:
• Width: 17.25" (437 mm)
• Depth: 14.25" (362 mm)
• Depth: 16" (406 mm) with cables connected
• Height, with feet: 2.5" (63.5 mm)
• Height, without feet: 1.75" (45 mm), 1U
• Weight:
• Net: 12 lbs. (5.5kg)
• Shipping: 18 lbs. (8.2 kg)

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