Name：DT-309B
Introduction：Hybrid Tube Amplifier with Bluetooth 4.0, USB-DAC, Headphone Out & Pre Out
Power Output: 2 x 25W, Class A/B
AC Power: 110V or 220V~240V 50/60H
Power Output: 2 x 25W, Class A/B
AC Power: 110V or 220V~240V 50/60H
Name：DT-307B
Introduction：Hybrid Tube Amplifier with Bluetooth 4.0
Power Output: 2 x 25W, Class A/B
AC power: 110V 50/60Hz
Signal/Noise ratio: > 85dB
Bass Boost: +6dB
I
Power Output: 2 x 25W, Class A/B
AC power: 110V 50/60Hz
Signal/Noise ratio: > 85dB
Bass Boost: +6dB
I