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Item #: ZM12
MSRP: No Retail



  • Our new ZoneMaster models are very similar in their feature sets, differing mainly in size and number of channels. 
  • Universal amplifier for applications from 60 to 150 watts
  • Zone 1 (channel 1&2) are higher power for more demanding applications
  • 24 speaker connections (A and B outputs for all 12 channels)
  • High current for stable operation at 2 Ohms
  • Class AB input stage plus premium Class D power stage
  • Independent audio sensing triggers, one for each zone
  • 6 Independent 12 volt trigger inputs, one for each zone
  • Looping 12 volt trigger outputs for each zone
  • Master 12 volt trigger input to turn all zones on-off
  • Speaker level input for expanding systems w/out pre out jacks
  • Two bus inputs can be routed to any zone
  • Bus loop output jacks for passing audio to another amp
  • Summed Mono mode combines L and R for single speaker applications
  • Separate level controls for all twelve 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 2U chassis
  • 2U rack mounting hardware is included in box


Power Output : Zone 1 (Channel 1–2) 
120 watts x 2 @ 8Ω 
150 watts x 2 @ 4Ω or 2Ω


Power Output : Zone 2-6 (Channels 3–12) 
60 watts x 10 @ 8Ω 
100 watts x 10 @ 4Ω or 2Ω 
Note: Power ratings are RMS, All Channels Driven (20 Hz - 20 kHz)


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: 
1550 Watts maximum 
150 Watts typical (audio playing on all zones) 
55 Watts idle (all zones on) 
15 Watts idle (one zone on) 
0.5 Watts standby 
100-250 VAC 50/60 Hz (automatic)


Width: 17.25" (437 mm) 
Depth: 14.5" (369 mm) 
Depth, with cables: 16" (406 mm) 
Height, with feet: 4.15" (105 mm) 
Height, without feet: 3.5" (89 mm)


Net: 21 lbs (9.5kg) 
Shipping: 27 lbs (12.2kg)

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.

In certain instances promotional prices will be offered listed above as a “Price with Rebate”, and are typically dated. In these cases Instant Rebate (IR) pricing is good sometimes only for the day only or only for the week. In order to be eligible for IR pricing – the order must be paid for AND picked up/shipped out. If you are placing an online order outside of business hours within your respective time zone, please add a note to your order for the team to confirm the pricing, or contact the branch the following business day to ensure that the item pricing carries over into the subsequent period. If an alternate branch location is still open in another time zone, please reach out to that group.

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