TPA-E 3 Zone Integrated Amplifier 1. Surface packaging technique is adopted, double-sided board, higher reliability of the machine. 2. 2 channels line input, 3 channels MIC input, individual input volume control. 3. Clear, gentle and sweet chime function. 4. 3 channels zone in system. 5. Priority function of MIC 1, chime and alarm. 6. Adjust the distort sound automatically. 7. Perfect short-circuit / high-temperature / over-current to protect the circuit. 8. With 1 channel audio frequency outputs. 9. Shining and dazzling signal indicator LEDS and district indicator LEDS. 10. Auto-speed fan by temperature controlling. More------ TPA-S 5 Zone Integrated Amplifier 1. Surface packaging technique is adopted, double-sided board, higher reliability of the machine. 2. 2 channels line input, 3 channels MIC input, individual input volume control. 3. Powerful output, high quality line level. 4. Individual input volume of treble / bass control, modulate more easily. 5. 5 channels zone in system. 6. Multi-function MIC (MIC / line level ), compatible with 6.3 / Carno MIC. 7. With 3V phantom power. 8. Automatic compressed circuit is inserted to prevent the amplifier from sending out the distortional signals, and avoid damage of speaker. 9. Shining and dazzling signal indicator LEDs and district indicator LEDs. 10. With 1 channel audio frequency output, several machines can be linked more conveniently. 11. Auto-speed fan by temperature controlling. More------