Features:
- 120 watts x2 @ 8 Ω
- 150 watts x2 @ 4 Ω or 2 Ω
- 4 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
- Audio sensing auto-on trigger
- 12 volt auto-on trigger input
- Looping 12 volt trigger output
- Speaker level input for expanding systems w/out pre out jacks
- Looping output to connect additional amplifiers
- Mono mode combines L and R for single speaker applications
- Separate level controls for both 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
ZoneMaster 2 Specific Features
- Compact 1u, 1/2 width chassis size
- "ZRK" Rack mount kit sold separately
- Full Range Mono RCA Output
- 80Hz low pass Mono RCA output (for sub)
- Built in 80Hz low pass filter in bridged mode for driving in-wall/in-ceiling woofers or passive sub(s)
Specifications:
| Power Output RMS, Both Channels Driven (20 Hz – 20 kHz) |
120 watts x 2 @ 8Ω 150 watts x 2 @ 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 |
| Inter-channel 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 |
| Low Pass Crossover | 80 Hz, 18 dB per octave |
| AC Power Requirement | 300 Watts maximum 30 Watts typical (music playing) 15 Watts idle (no music playing) 0.5 Watts in standby 100-250 VAC 50/60 Hz (automatic) |
| Dimensions | Width: 8.5" (220 mm) Depth: 10" (254 mm) Depth: 12" (305 mm) with AC cord and cables connected Height, with feet: 2" (51 mm) Height, without feet: 1.75" (45 mm), 1U |
| Weight | Net: 4.3 lbs. (2.0kg) Shipping: 7.3 lbs. (3.3 kg) |