Features 3 Output Ports: Enjoy versatile o output with 3 ports, allowing separate or mixed signals for headphones and loudspeakers, enhancing your listening experience Strong Anti-Interference: Built with a sturdy aluminum shell, this amplifier minimizes signal loss and ensures high-quality sound without interference Broad Compatibility: Connect effortlly with various devices using the 3.5mm and 6.5mm interfaces, accommodating both electret and dynamic microphones for all your o needs Exceptional Amplification: Amplify your o significantly—75x for dynamic microphones, 22x for condenser microphones, and 5x for stereo music input, delivering powerful sound Compact and Portable: Its small size makes this amplifier easy to carry, providing convenient o amplification on the go without compromising sound quality Features: 1、3 OUTPUT PORTS: After the microphone and music are amplified, they can be output separately or mixed. There are a total of three output ports, and the mixed output port can directly drive the headphones to listen. 2、ANTI INTERFERENCE: The amplifier is a stereo switch box, the signal is lossl, and the sturdy aluminum shell has strong anti interference. 3、MANY COMPATIBLE DEVICES: The 3.5mm interface of the amplifier can be used with electret and ordinary condenser microphones, and the 6.5mm interface is a dynamic microphone, which can amplify wired and wirel microphones. 4、GOOD O AMPLIFICATION: The amplifier can amplify the dynamic microphone 6.5 port by 75 times, the 3.5 port condenser microphone by 22 times, and the stereo music input 3.5 port by 5 times. 5、SMALL SIZE: The amplifier is small in size, easy to carry, and can be used for o amplification anytime, anywhere without hurting the sound quality. Specification: Item Type: Small Stereo o Preamplifier Material: ABS and Aluminum Dynamic Microphone: 6.5mm Condenser Microphone Interface: 3.5mm Power Supply: DC12V Power Connector: DC Approx. 5.5 x 2.1mm / 0.2 x 0.1in Package List: 1 x Small Stereo o Preamplifier 2 x o Cable Note: Please use a low ripple power supply, as the power supply is not good enough to cause buzzing Package List 1 x Small Stereo Audio Preamplifier 2 x Audio Cable