Parasound Zonemaster 2350 Universal 2 Channel Amplifier
350 watts x 2 @ 8 Ω
600 watts x 2 @ 4 Ω
2 Ω stable for driving multiple speaker pairs
Two pairs of speaker outputs with A/B buttons
Lockout switch on rear panel to disable A/B buttons
High pass filter, switchable for 30Hz or 80Hz
Automatic on/off by 12V trigger w/ looping output
Automatic on/off by audio signal
Speaker level input enables integration with systems lacking preamp output jacks
Parasound designed class AB input stage w/ premium Class D power stage
Subwoofer mode for driving multiple in-wall subs without the need for an external crossover
Mono mode combines L and R for single speaker applications
Mono full range preamp output
Subwoofer 80Hz, 24dB/oct. low pass preamp output
Looping left and right output jacks
Left and right input level controls
Efficient, low heat design
Short circuit and overload protection
0.5 watt standby power consumption meets EU and Energy Star requirements
2U rack mounting hardware is included in box
Power Output
RMS, Both Channels Driven (20 Hz – 20 kHz)
350 watts x 2 @ 8 Ω
600 watts x 2 @ 4 Ω or 2 Ω Minimum Speaker Impedance (Output A+B)
Stereo or Mono Mode: 2 Ω
Subwoofer Mode: 4 Ω
Note: Operation at these minimum impedances might require additional ventilation. Frequency Response
10 Hz – 70 kHz, +0/-3 dB
20 Hz – 20 kHz, +0/-0.8 dB Total Harmonic Distortion
< 0.05 % at typical listening levels
< 0.9 % at full power Inter-channel Crosstalk
70 dB at 20 kHz Input Sensitivity:
2 Volts = Full output (350 Watts @ 8 Ω)
Total gain = 29 dB (Level controls set to Maximum) S/N Ratio
> 100 dB, input shorted, unweighted
> 114 dB, input shorted, IHF A-weighted High and Low Pass Crossovers
Sub Mode and Sub out jack: 80 Hz, 24 dB per octave
High Pass Filter: 30 Hz or 80 Hz, 12 dB per octave DC Trigger Requirements
+9 Vdc to +12 Vdc, 5 mA Audio Trigger Requirements
2 mV audio signal (8-15 minutes turn off delay) AC Power Requirement
1500 Watts maximum
100 Watts typical (music playing, typical listening level)
30 Watts idle (no music playing)
0.5 Watts in standby
110-240 VAC 50/60 Hz Dimensions
Width: 17.25" (438 mm)
Depth: 14.5" (368 mm)
Depth: 16.25" (412 mm) with cables connected
Height, with feet: 4.25" (108 mm)
Height, without feet: 3.5" (89 mm), 2U Weight
Net: 15 lbs. (6.8 kg)
Shipping: 22.25 lbs. (10.1 kg)
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