SINEDY Car RCA Stereo High to Low Speaker Converter Cable V18 Cosy Specialized Brand new and high quality Converts car stereo speaker outputs to RCA outputs Helps to adjust power output from amplifier Ideal for home and car audio Helps to increase your audio quality Equalize speaker output Easy to follow illustrated instructions Size: 17cm x 3.5cm x 2.5cm - 6.67inch x 1.37inch x 0.98inch