A very compact mini stereo amplifier that can be connected to the headphone jack of any Walkman, Discman, MP3 Player or any other stereo audio source. It is based on two LM386 low-voltage ower amplifiers and provides up to 1W of music power for each channel. Includes all cables and plugs. Supply voltage: 6-12V DC @ 200mA. Includes 4 x AA size battery holder. As kit contains solder it may not be available for purchase in California.