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Item #: ZM2350
MSRP: No Retail

ZoneMaster ZM2350 2 x 350W @ 8 Ohms 2 CH Amp w/ Sub Cross


  • 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


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


Net: 15 lbs. (6.8 kg) 
Shipping: 22.25 lbs. (10.1 kg)

Prop 65WARNING: This product contains chemicals including Styrene which is known to the state of California to cause cancer, and Bisphenol A (BPA), which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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