Features 1.Basic Specifications: Audio amplifier dynamic power amplifier is about 100 times, capacitance is about 22 times, music part is about 5 times, mixed output can drive headphones. 2.Support Stereo: The audio amplifier supports stereo and multi function audio mixer, even if the voltage is low, which can work. 3.Firm Adjustment: The heavy duty metal shell structure stereo mixer and knobs have firm adjustments, the display mix can be adjusted quickly and easily. 4.Application: No need for special phono input to amplify music, the amplifier can be connected to speakers, computers, laptops, etc. 5.Metal Case: This is an audio amplifier with a metal case protection device, can be protected from vibration and electromagnetic interference. Specification Item Type: Mini Audio Preamplifier Material: Aluminum Alloy Purpose: Audio Amplifier Colour: Black Applicable Power Supply Voltage: DC12-24V Dynamic Power Amplifier Magnification: 100 Times Capacitance Power Amplifier Magnification: 22 Times Music Part Power Amplifier Magnification: 5 Times Package List 1 x MA-2S Audio Amplifier