The Australian Monitor HS4120P is a professional-grade 4-channel 120W power amplifier designed for large-scale commercial audio installations across India. With four independent 120W RMS outputs and support for 4-ohm, 70V, and 100V speaker lines, this amplifier is perfect for multi-zone setups in malls, hospitals, schools, hotels, auditoriums, offices, restaurants, worship places, and more. Powered by high-efficiency Class-D technology delivers clean, stable, and energy-efficient sound output. Its built-in mini DSP (Digital Signal Processor) offers advanced control including EQ, routing, filters, compressor/limiter, and mute functions—giving installers unmatched flexibility. The amplifier also supports USB and RS-232 control, allowing seamless integration into modern AV systems. 1. Can the HS4120P run multiple zones? A-1Yes. With four independent channels, you can run up to four separate audio zones easily. 2. Does it support 100V line speakers? A-2 Absolutely. It is compatible with 70V/100V distributed speaker systems, commonly used in commercial PA setups. 3. Is the DSP difficult to use? A-3 Not at all. The HS4120P offers PC-based control via USB or RS-232 with easy-to-use UI software. 4. Is this amplifier suitable for 24/7 operation? A-4 Yes. Its Class-D design fan cooling makes it reliable for long continuous use. 5. Where can this amplifier be used? A-5 Ideal for malls, offices, hospitals, hotels, gyms, schools, banquet halls, restaurants, and large public spaces. Specifications OUTPUT POWER PER CHANNEL 120W OUTPUT CHANNELS 4 OUTPUT MODE 4 Ohm-70V-100V INPUT VOLTAGE 100-240Vac 50-60Hz MOUNTING 2RU FREQUENCY RESPONSE 100Hz – 16kHz THD N < 0.2% (-3dB) SIGNAL TO NOISE RATIO > 92dB INPUT SENSITIVITY 1Vrms COOLING Fan-assisted PRODUCT DIMENSION (W x D x H) 483mm x 389mm x 89mm NET WEIGHT 14.0 Kg
