Item Type: Mini Audio Preamplifier <br>Material: Aluminum Alloy <br>Purpose: Audio Amplifier <br>Colour: Black <br>Applicable Power Supply Voltage: DC12-24V <br>Dynamic Power Amplifier Magnification: 100 Times <br>Capacitance Power Amplifier Magnification: 22 Times <br>Music Part Power Amplifier Magnification: 5 Times<br>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. <br>2、Support Stereo: The audio amplifier supports stereo and multi function audio mixer, even if the voltage is low, which can work. <br>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. <br>4、Application: No need for special phono input to amplify music, the amplifier can be connected to speakers, computers, laptops, etc. <br>5、Metal Case: This is an audio amplifier with a metal case protection device, can be protected from vibration and electromagnetic interference.Please use a high quality, low ripple power supply, because the power supply is not good enough and is prone to hum. <br>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.1 x MA-2S Audio Amplifier