Parasound ZoneMaster 450 4 Channel Amplifier

FEATURES:
 
    	
  • Our ZoneMaster models are very similar in their feature sets, differing mainly in size and number of channels. 
    	Looking for more channels? Try the 1250 or 650. Fewer? 250.
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  • Universal amplifier for applications from 50 to 200 watts
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  • 4 speaker connections (not enough room for additional Phoenix connectors on ZM450 rear panel)
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  • High current for stable operation at 2 Ohms
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  • Channel pairs are bridgeable for up to 200 watts @ 4 Ohms
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  • Class AB input stage plus premium Class D power stage
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  • Independent audio sensing triggers, one for each zone
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  • 2 Independent 12 volt trigger inputs, one for each zone
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  • Looping 12 volt trigger outputs for each zone
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  • Master 12 volt trigger input to turn all zones on-off
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  • Speaker level input for expanding systems w/out pre out jacks
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  • Bus loop output jacks for passing audio to another amp
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  • Mono mode combines L and R for single speaker applications
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  • Separate level controls for all four channels
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  • Detachable speaker connectors accept up to 12 gauge wire
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  • Short circuit and overheat protection with front panel indicators
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  • 0.9 watt standby power consumption meets Energy Star & EU specs
 
ZoneMaster 450 Specific Features
 
    	
  • Compact 1u, 1/2 width chassis size
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  • Rack mount kit sold separately (click to view)
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  • Does NOT have A/B outputs (no room on the rear panel for connectors) but is 2 Ohm stable
 
 
SPECIFICATIONS:
 
    	
  • Power Output RMS, All Channels Driven (20 Hz - 20 kHz):   50 watts x 4 @ 8Ω;   90 watts x 4 @ 4Ω or 2Ω;   160 watts x 2 @ 8Ω (Bridged);   200 watts x 2 @ 4Ω (Bridged)
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  • Frequency Response:   10 Hz - 60 kHz, +0/-3 dB
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  • Total Harmonic Distortion:   <0.05% at typical listening levels;   <1.0% at full power
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  • Interchannel Crosstalk:   70 dB at 20 kHz
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  • Input Sensitivity:   700mv = Full output (50 Watts @ 8 Ω)
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  • Total Gain = 29 dB (Level controls set to Maximum)
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  • S/N Ratio:   >112 dB, input shorted, IHF A-weighted
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  • DC Trigger Requirements:   +9 Vdc to +12 Vdc, 2 mA
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  • Audio Trigger Requirements:   2 mV Audio Signal
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  • AC Power Requirement:   500 Watts Maximum;   30 Watts Typical;   15 Watts Idle (All Zones on);   7.5 Watts Idle (One Zone on);   0.9 Watts Standby (110-130 VAC 60 Hz or 220-255 VAC 50 Hz) 
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  • Dimensions (W x D x H):   8.5" x 10" x 2"
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  • Weight:   Net: 4.5 lbs (2.0kg);   Shipping: 7.5 lbs (3.4kg)
    $795.00Price