مضخم الصوت المسبق RS-3001PRE

اوصاف

* لوحة رسم أكسدة سوداء عالية الجودة من الألومنيوم 2U ، جميلة وسخية ؛
* 10 bit led level dynamic indication;
* With bell / siren output and priority function;
* 10 input channels (5 microphones, 3 lines and 2 emergency channels);
* The volume of each input channel can be adjusted independently;
* With total volume adjustment, independent adjustment of treble and bass;
* It has the function of silent sound, and automatically silent to – 30dB;
* It has four AV output interfaces and can connect four pure post stage power amplifiers;
* It has 1-way squelch mode switch, which can turn on or off the squelch mode as needed;
* It has 1-way signal grounding and floating switch, which can be selected according to on-site debugging;
* The audio output has three kinds of (0.75V / 1V / 1.5V) gain selection switches, and the factory default output is 0.75V;
* Dual power supply of DC24 V and AC100 ~ 240 V is adopted, and DC24 DC power supply is automatically switched when there is no mains power input;