Wide Compatibility and Versatile Sound Control Designed to easily drive a wide range of headphones, with adjustable volume settings to suit different listening preferences. Ideal for enhancing audio from cars, computers, gaming systems, and televisions, providing clear and balanced sound through amplifier equalizers. Convenient 3.5mm Interface for Easy Connections Features a 3.5mm input interface that supports 4pole plugs, enabling both audio and microphone functions. Connects directly to headsets with builtin microphones for seamless use with mobile phones, including normal voice calls. Includes an additional output terminal with a group lotus interface for expanded connectivity options. Durable and Performance Construction Built with a robust aluminum alloy housing for strength and resistance to wear. Stable performance supported by DC5V and DC12V dual channel power supply, ensuring reliable operation. Advanced Audio Capabilities Equipped with a 7band car sound equalizer for precise audio tuning, allowing customized sound across different frequency ranges. Utilizes the 4580 classic operational amplifier, providing up to 5 times gain (14dB) for enhanced audio output. Input impedance: 20K ohms; Output impedance: 600 ohms for audio signal clarity and quality. Practical Applications 1. Car audio systems: Achieve richer sound quality and tailor audio to suit different driving environments. 2. Home entertainment: Improve the clarity and depth of sound for TVs, gaming consoles, and desktop computers. 3. Mobile use: Connect to headsets with microphones for business calls or conversations with improved audio quality.