The Heinrich HPA1120 Power Amplifier is a robust and reliable 120W professional PA amplifier designed for high-performance audio distribution across commercial and industrial spaces. Engineered with precision and built for long-lasting durability, this amplifier guarantees clear voice projection, stable background music playback, and distortion-free audio—even during extended usage. Ideal for schools, corporate offices, retail stores, hotels, hospitals, showrooms, warehouses, banquet halls, community religious places, and auditoriums, supports both 70V/100V PA line systems and low-impedance (4Ω/8Ω) speakers, making it suitable for a wide range of installation environments. Designed with advanced protection features, a high-quality Class-AB output stage, and professional-grade input/output flexibility, this amplifier ensures smooth integration with mixers, microphones, music players, and paging systems. With efficient thermal management and rugged construction, delivers consistent performance in demanding Indian conditions. Specifications Model HPA1120 Rated Power Output 120W Speaker Output 100V, 70V, 4–16Ω Input 10kΩ <1V, Unbalanced Mono Jack & Balanced XLR Output 10kΩ 0.775V (0dB), Unbalanced Jack & Balanced XLR Frequency Response 60Hz – 15kHz S/N Ratio >70dB THD <0.1% at 1kHz (1/3 rated power) Cooling System Auto fan (activates at 55°C) Protection Temperature, Overload, Short Circuit, Clip Power Supply AC 230V or 110V, 50–60Hz Power Consumption 162W Dimensions 848mm × 366mm × 88mm Weight 12kg
