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: 110V/220V (50/60hz) .

Output power: class A 15W.

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.