Parasound ZoneMaster 4
Features
8 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
Bus input with looping outputs
PRODUCT DETAILS
Technical Specifications
Power Output – RMS, Both Channels Driven (20 Hz - 20 kHz)-
120 watts x 4 @ 8Ω
150 watts x 4 @ 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
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-
600 Watts maximum
60 Watts typical (music playing in all zones)
30 Watts idle (all zones on)
15 Watts idle (one zone on)
100-250 VAC 50/60 Hz (automatic)
Physical Specifications
Dimensions-
Width: 17.25" (437 mm)
Depth: 14.25" (362 mm)
Depth: 16" (406 mm) with cables connected
Height, with feet: 2.5" (63.5 mm)
Height, without feet: 1.75" (45 mm), 1U
Weight-
Net: 12 lbs. (5.5kg)
Shipping: 18 lbs. (8.2 kg)
