Instruction:
Do not use cheap audio signal cables, these cables are without shieldiing, they will lead in high frequency noises.
The bigger the rotation, the larger the noises
The correct using sequence is first connect laptop power with amp power supply port,then charge the laptop.
Specification:
Adopting top for red ring output inductance, no output consumption, more pure sound voice
Full allumnium alloy body, gold plated RCA and crystal loudspeaker line column, more gorgeous
Adopts Germany MKP10 as output, more rich overtone
Adopts high speed capacitor array. lower internal resistor, dynamic more violent
Gold plated RCA port output, Taiwan imported sealed potentiometer, thicken allumnium alloy radiating
Power Voltage:

12V ------- 8ohm loudspeaker/12W(left channel) +20W(left channel )
+ 12W(right channel) 4ohm loudspeaker /20 (left channel)
15V ------- 8 ohm/18 + 18W,4ohm/ larger than 30 + 30W
19V ------- 8 ohm/32 + 32W,4 ohm/ larger than 45 + 45W
24V ------- 8 ohm/38 + 38W,4 ohm/ larger than 55 + 55W

Packaged Includes:
1xDigital Amplifier (NO POWER SUPPLIER )