Monster Cable XLN PRO 4C-4M XLN PRO (4 Channel) Competition Grade Car Audio Interconnect 4m pair- 13.12 ft. (Discontinued by Manufacturer) Dual balanced conductors design delivers more natural music reproduction. MultiTwist construction minimizes intertransient noise for more detailed music reproduction. Award-winning 24k gold contact Turbine RCA connectors provide high conductivity for the best possible signal transfer. 120 dB of noise rejection for lowest noise floor. Split-Tip Center Pin for greater contact pressure and lower distortion and maximum signal transfer.