Stereo Audio Speak Signal Hi Low Converter for Auto Amp Subwoofer Amplifier CD Player High to Adapter Filter Filtering Noise Elimination Anti interference Line Output

[Excellent compatibility] Highly efficient filtering of current sound and power interference. Eliminate interference noise, ar Audio Signal Hi-Low Converter suitable for car equipment, laptop computers, audio equipment, smart phones.It converters car stereo's high audio signal(R+, R-, L+, L-, Ground) to low RCA signal(left & right channel). [Amplifier Modify Accessory] This adapter is suitable for car stereos without RCA output to connect with the after-market amplifier. Although some amp has Hi-Low Convert function, we strongly recommend to have such an external converter to avoid the interference of the conversion inside the amp. Especially useful for CD radio stereo without Line Out port. [How to Connect] Easy to install: Green wire connect to the Left channel negative. Yellow wire connect to the Left channel positive. Gray wire connect to the Right channel negative. Purple wire connect to the Right channel positive. Black wire connect to Ground. [Product Dimensions] line output converter sized: 6.4 x 4.3 x2.5 cm/2.52 x 1.7 x 0.98 inch. The shell made by metal, reliable and strong.