Description
Power supply: Input -- AC 100~240V; 50/60Hz (universal) & Output -- DC 6V 2000Ma Voltage amplification: 1.5 ~ 2.0 times Audio input / output: standard 3.5mm Power interface: 6V -- 5.5 * 2.5 SNR: ≥ 110dB Frequency response: 20Hz ~ 30 KHz Packing : 1 * tube preamp 2 * 6J1 tubes 1 * power supply