Features: 1.High to low 2 channel audio converter, high power output, low distortion, high signal?to?noise ratio, which has stable and professional performance. 2.Used to convert car stereo speaker output to RCA output, adjustable gain control. Gold?plated contacts can enhance signal transmission, 0 to 2 volts adjustable level matching, with full intelligent delay control. 3.The high performance amorphous alloy transformer is used to isolate the distortion, restore the real sound, and reject the acoustic interference of accelerator current. 4.Provide power amplifier automatic switch control signal, can be directly placed in the center console, no wiring, avoid the generation of acoustic current interference. 5.Allows the addition of 2 or 4 channel amplifiers to most stereo speakers without RCA output. Allows adding amplifiers and subwoofers to existing factory systems. Specification: Condition: 100% Brand New Item Type: Car Audio Converter Material: Iron Size: Approx. 2.5 x 5 x 11.5cm/1 x 2 x 4.5in Cable Length: Approx. 16.5cm / 6.5in