DA4250 4*250W 4 Channels Digital Amplifier
Features
- Multi-channel: 4-channel or 2-channel;
- 5-unit LED for status;
- Advanced active PFC (power factor correction);
- Efficient switching power supply;
- Efficient CLASS D amplifier;
- Support DC 24V power supply;
- Adjust fan speed with temperature;
- Equipped with voltage limit circuit;
- All-protected circuit design;
- Support real-time switch of 70/100V output;
- Input sensitivity: 775mVRMS;
- Both line input and output interfaces adopt HT-3.81 phoenix;
- 100VRMS prior line input;
- Balanced prior line input;
- Balanced line input;
- 7.62-4P fence output socket with cover is adopted for power output.
This is a Class D digital amplifier designed for commercial and industrial public address applications. Rack mount design in 1U type and rated power is 4*250W.Both balanced and unbalanced line inputs are available for each channel. Balanced line output feeds to another power amplifier as well as secures the signal transmission is less noise and longer distance. 70V, 100V speaker outputs are convenient for installation when selection different speaker matching. Complete protection includes clip, short circuit, high temp and overload. With indications for power, signal, clip, protection and temperature. This product can be called 4 channel mixer amplifier.
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