MJ2955 for power output and MJ3055 for electronic filter, and each channel is 10000UF filter capacitor, full power pure copper wire toroidal transformer power supply.

Input voltage:220V AC(50/60hz) .

Output power: Pure class A 15W*2

THD: 0.01%

SNR: 93dB

Frequency Response: 15Hz-30kHz (+/- 3dB)

Impedance: 4-8 Ohms

Audio input: RCA.

Audio output: left and right channel 2.0.

Volume control: ALPS 27 potentiometer.

Shell material: All aluminum alloy.

Size: 336*215*85mm.

Net weight: 5.2kg.

Weight after packing: 6.0kg.