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1. Class AB Amplifier with Bridge Function

2. The Length of Heat Sink: 340mm 

3. Short Circuit Protection & Overtemperature Protection

4. LPF & HPF & Gain Controls for Both Front & Rear Channels

5. Bass Boost: 0dB/6dB/12dB

6. Dual Coils to Provide bigger Power

7. LPF Filter: 32Hz-300Hz

8. HPF Filter: 32Hz-3KHz

9. THD≤0.1%

10. Frequency Response: 30Hz-20KHz

11. Signal to Noise Ratio: >90dB

12. Input Sensitivity: 100mV

13. RMS Power: 4×80W

14. Same heat sink is avaialbe for 1×500w, 2×50W, 2×80W, 4×60W, 4×100W also