tube power amplifier with USB/SD/FM

A. tube power amplifier
B. USB/SD
C. FM radio
B. Power(RMS): 80W+*2

tube power amplifier with USB/SD/FM

1. power(RMS): 80W*2 (4Ω)
2. USB/SD interfaces                      
3. FM radio
4. two MIC inputs, digital echo                                                            
5. intelligent cooling system    
6. full-function protection circuit
7. package size: 485×402×198mm