7 Band Car Audio Graphic Equalizer with Preamp, 2 Channel EQ, Adjustable Volume, 3.5mm AUX Input

7 Band Car Audio Graphic Equalizer with Preamp, 2 Channel EQ, Adjustable Volume, 3.5mm AUX Input Description

3.5mm Interface with 4Pole Support Equipped with a 3.5mm input interface designed to support a 4pole plug for seamless connection to headsets with builtin microphones. Enables smooth voice call functionality when connected to compatible mobile phones. Additional Qunlian interface available for flexible connectivity options. Wide Headphone Compatibility and Powerful Audio Driving Features an NE5532 type 47 headphone driver circuit for reliable ear amplifier performance. Capable of driving a wide range of headphone types, making it suitable for casual listening, studio monitoring, or professional use. Adjustable and low frequencies for audio tuning. Includes a quality sound cable for stable audio transmission. Performance Specifications Builtin 7band sound equalizer preamplifier with a gain of 4580 classic op amp, delivering 5x amplification (14dB). Input impedance: 20K ohms, output impedance: 600 ohms, ensuring signal flow. Equalization bands cover key audio frequencies: 60Hz, 150Hz, 400Hz, 1kHz, 3kHz, 6.5kHz, and 15kHz. Utilizes TI or ST TL074 components for dependable audio processing. Equalizer Control Range Offers a precise control range of 12dB across all 7 bands, allowing effective finetuning of audio output for different environments and listening preferences. Enhances clarity, bass depth, and treble details for a more balanced sound experience. Practical Applications 1. Improve call quality and microphone performance when using a headset with a mobile phone. 2. Finetune audio for music production or mixing with accurate 7band control. 3. Enhance sound output for home audio systems, PC setups, or portable music players, adapting tone to suit the source material and room acoustics.