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Audio amplifier Audac CAP224 2.0 channels, Class D, 480W peak per channel, XLR outputs, 230–240V
Audac CAP224 is a 2.0-channel Class D audio amplifier engineered for fixed audio installations and multi-zone distribution. The amplifier provides high-efficiency amplification with peak power up to 480 W per channel and operates from 230–240 V AC at 50 Hz. Designed for professional and commercial environments, the CAP224 features balanced XLR inputs, link outputs for cascading, speaker terminal block outputs, a 400 Hz high-pass filter switch and individual gain controls. The unit's compact 2U, 19" rack format and robust construction make it suitable for rack mounting in control rooms, equipment racks and AV closets.
The CAP224 combines Class D efficiency with a switching power supply to deliver reliable power with reduced heat generation and lower power consumption. Built-in protections guard against overheating, overload, short circuit and DC malfunctions while a temperature-controlled fan maintains stable operation without excessive noise. Simple front-panel controls and XLR connectivity allow straightforward setup and integration into existing systems. The amplifier's two independent channels enable flexible multi-zone audio distribution.
Install the CAP224 into a standard 19" equipment rack occupying two rack units. Connect balanced audio sources to the XLR inputs and use the link outputs to cascade signal to additional amplifiers if required. Connect speaker loads to the terminal block outputs following correct impedance and 100 V system wiring practices where applicable. Adjust each channel's gain potentiometer for the required output level and enable the 400 Hz high-pass filter if needed to protect small speakers or to tailor low-frequency content. Ensure the amplifier is connected to a compatible 230–240 V AC supply and allow ventilation for the temperature-controlled fan.
For stable long-term operation, mount the amplifier in a ventilated rack space, avoid blocking the fan intake and observe speaker impedance and power ratings. Use the high-pass filter for smaller speakers or to reduce low-frequency load on long cable runs. In multi-amplifier setups, use the link outputs and set levels methodically to maintain consistent zone balance.
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