Details:

Output power: Pure Class A 20W

Audio input : single -end input

Output impedance: 4-8 ohm

Input impedance: 50K

Gain: 26 times

Frequency: 20Hz-30KHz

Harmony distortion: (THD) ≤0.01%(1kHz)

Power supply: DC 30V-40V, transformers can use a recommended voltage between 20-28V with a dual 22-24V transformer (to be distributed with a separate stream)

Packing included:

A1 amplifier board x 1 pair （stereo）