The Heinrich DPA1120 is a premium-grade 120W Class-D single-channel power amplifier designed for high-performance commercial audio applications. Built with advanced Class-D technology, it delivers efficient, powerful, and crystal-clear audio while ensuring low heat generation and long operational life. Perfect for offices, malls, restaurants, schools, hospitals, hotels, auditoriums, houses of worship, railways, and outdoor public announcement systems, this amplifier offers 100V line output and 8Ω low-impedance output, making it compatible with almost every PA speaker type. Equipped with short-circuit, overload, overheating, clipping, and DC protection, ensures maximum reliability and safety in mission-critical installations. The built-in high-pass filter, auto-standby function, and LED indicators further enhance usability and energy efficiency. Specifications Model DPA1120 – Class-D Single-Channel 120W Power Amplifier Rated Power Output 120W Speaker Output 8Ω & 100V Frequency Response 20Hz – 20kHz (±2dB) Input Sensitivity 0.775V, 0dBu, Balanced Phoenix Connector Input Impedance 10kΩ THD <0.1% (1kHz / -3dBV / 100W) Signal-to-Noise Ratio >80dB Crosstalk <–60dB (1kHz, Max Output) Power Consumption 200W Power Supply AC 110V / 230V (Switchable), 50–60Hz Optional DC Input 24V DC (available on request) Dimensions 482 (W) × 420 (D) × 44 (H) mm Weight 4.2 kg
