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Highlights:• 4-channel Class D PA amplifier with 4 x 120 W• Energy-efficient Class D design • Temperature-controlled, adjustable fan • Connection for external on/off switch • Connection for external mute switch • LED indicators for protection, peak, signal, and 100 V/4 Ohm operation Efficient and Powerful PA AmplifierPA-4120D is a high-performance 4-channel Class D PA amplifier that delivers powerful sound with low energy consumption. With 4 x 120 W output, it is ideal for installations where reliability and performance are essential. The amplifier features a temperature-controlled and continuously adjustable fan, ensuring optimal cooling without unnecessary noise. Additionally, the integrated LED indicators provide a quick overview of protection, peak, signal levels, and operation mode at 100 V or 4 Ohm. The connectivity options include external on/off and mute switches, making it particularly suitable for professional audio installations requiring flexibility. Safety is a top priority with this model, as it operates at high voltage. It is recommended to follow the safety instructions carefully to avoid electrical hazards. PA-4120D is designed for indoor use and should be protected from water, humidity, and extreme temperatures. The unit delivers outstanding sound quality with a signal-to-noise ratio of over 95 dB and a low harmonic distortion of less than 0.1 %, making it a reliable solution for professional audio systems.Specifications:• Peak output power: 480 W• Rated power: 4 x 120 W at 4 Ohm / 100 V • Output impedance: 100 V/83 Ohm, 4 Ohm • Channels: 4 • Inputs: 775 mV/20 kOhm, balanced • Frequency range: 80-16,000 Hz • Signal-to-noise ratio: > 95 dB(A) • Total harmonic distortion (THD): < 0.1 % • Power supply: 230 V~ / 50 Hz / 850 VA • Operating temperature: 0-40 °C 
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AV-Connection A/S • VAT no.: DK27907547 • Kaervej 71-73 • 6400 Soenderborg • Denmark • Tel. +45 7442 1078 • E-mail: [email protected]
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