RipPEY Amplifier Model Number: ST-838 
Amplifier Type: HIFI 
Amplifier Channel: 2.1 
Input Voltage: 12V 
Output power: 20W x 2 + 40W 
Output Impedance: 4-16 Ohm 
Treble Adjustment: Yes 
Color: Black. 
Material: Aluminum alloy 
Package Includes: 
1 x ST-838 HIFI Amplifier 
Package contents above and other products are not included here. 
Note: The color and size of the actual item may vary slightly from the color and size on the website due to lighting and display conditions. The margin of error for the measurement is 0.4 - 1.2 inches (1