This is a kit, which mean you will received a pack of components, you will need to solder them together by yourself before use, the image is only for reference how the item will be after soldered, not what you will received.

LME49810 push high-power tube A,B power amplifier!

Mono channel one board! Mono channel maximum output power of 100W!

Power supply voltage:Dual DC 20-80V (100V voltage need to replace the filter capacitor)

Power supply mode is "positive GND negative" three-line power supply!

Note:

The voltage range must not be exceeded, will burn the IC.

Transistor thermal heat sink must be well insulated! Otherwise it will damage the board!

Recommended voltage for the power supply transformer Dual DC 16-55V!

Mono maximum power do not exceed 100W or it may burn IC!

Usually recommend using a single channel should not exceed 80W!

Sense of hearing: the reduction of the sound is very high!

Package Contents: 

1 x Dual DC 20-80V 24V 48V LME49810 Mono Channel 100W HIFI Audio Amplifier Board Kit(chip LME49810 not inclued)