Professional 4-Channel 350W Class D Power Amplifier – 100V & 8Ω Rack-Mount Audio Solution Looking for a **high-density, multi-zone 350W Class D power amplifier** that maximizes output while minimizing rack space? Our **4-channel 350W digital power amplifier** delivers **four independent channels of clean, reliable power** for both **constant voltage (100V)** and **constant impedance (8Ω)** speaker systems. Whether you're powering a **multi-zone commercial audio system**, *