This Kinter MA-200 12V 2 Channel Mini Digital Audio Power Amplifier is perfect for use in your car or with your MP3 player. It delivers 100W RMS power, which is sure to enhance the sound quality of your audio system. The amplifier is designed to be table top- mounted. Its voltage is 12 volts, and it has a four channel output. This amplifier is a great way to upgrade your audio experience without breaking the bank. Please look over the pictures and reach out prior to purchasing with any questions. Shipping USPS ground advantage.