JL Audio Core 4-Way Audio Interconnect Splitter - XD-AICS-1F4F [010-13448-00]
Core 4-Way Audio Interconnect Splitter - XD-AICS-1F4F
Designed to split audio output connections to multiple devices. (Do not use it as an input-summing device.) Engineered for automotive, marine, and powersports applications.