Features 1、This audio amplifier module enables tone and volume control, which will meet your various work needs. 2、The HIFI amplifier ensures quick amplifying with low noise, as well as stable working with high efficiency. 3、You can also use the preamplifier to control treble, alto, bass, and the operation is very convenient as well. 4、Equipped with IC package socket, the lightweight and small amplifier module allows for simple installation. 5、Made of premium Printed Circuit Board material, the amplifier board has great durability for long term use. Specification Item Type: Audio Preamplifier Module Material: Printed Circuit Board Function: Preamplifier Control Board Module Model: NE5532 Power Supply Voltage: AC 12V Colour: Red Package List 1 x Audio Preamplifier Module