Four independent audio zones: Enables separate volume and audio control for multiple rooms or speakers
High power output: Delivers up to 120 watts per channel at 8 ohms or 150 watts per channel at 4 ohms or 2 ohms for versatile speaker compatibility
Class AB input and premium Class D output: Ensures stable operation and efficient, high-fidelity sound
Audio sensing and auto-on trigger: Simplifies installation with zone-specific audio sensing and trigger inputs
Short circuit and overheat protection: Enhances safety with front panel indicators and robust safeguards
Summarized by Shop
Powerful Multi‑Zone Sound in a Compact Rack Unit
The ZM4 fits into a mere 1U chassis but packs four full channels—ideal for powering speakers in multiple rooms without taking up space. Whether you’re running backyard speakers, a secondary stereo, or home theater surrounds, it delivers clean, consistent volume that stays smooth even under
RMS Power Output
120 W x 4 (8 Ω), 150 W x 4 (4 Ω or 2 Ω)
Frequency Response
20 Hz – 20 kHz (±0.025% ±0.3% at 5% of full scale)
Total Harmonic Distortion
0.05% at typical listening levels, 1.0% at full power
Dimensions
17.25 in (440 mm) width, 14.25 in (362 mm) depth (standard), 16.406 in (417 mm) depth (with cables), 2.5 in (63.5 mm) height
