Features: 【Core Feature】The High to Low sound Converter employs professional processing chips to deliver lossless signal conversion, ensuring clear sound output for car amplifiers and systems while maintaining original sound fidelity. 【Technical Spec】Featuring active noise cancellation circuitry and Small design, this 2 channel line output converter automatically optimizes signal levels (up to 400W handling) through intelligent impedance matching, eliminating engine whine and electrical interference. 【User Profile】Ideal for audiophiles upgrading factory systems, DIY car enthusiasts installing aftermarket amplifiers, and professional installers working with modern vehicles lacking pre outs, especially /electric models requiring clean signal paths. 【Application】Seamlessly integrates factory head units with external amplifiers in multiple system configurations, preserving features like steering wheel controls while enabling premium sound system installations in SUVs, trucks, and luxury vehicles. 【Performance】Constructed with PC housing and gold plated terminals, this 24 bit resolution converter achieves 110dB for studio quality sound reproduction, making it essential for active crossover setups and multiple channel tuning. Specifications: Materail: PC Belt length: about 20cm/8inch Height: about 1.65cm/1inch Width: about 3.9cm/2inch Package Includes: 1xAudio Converter note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.