Metra Male RCA Y Adapters (Pair) Multi FI3YM - Best Buy

Cheap Amplifier - Best Buy

y adapter - Best Buy

3.5mm Adapter - Best Buy

1/4 male to dual rca female y audio adapter cable - Best Buy

Mediabridge ULTRA Series RCA Y-Adapter (15 Feet) - 1-Male to 2-Male for Digital Audio or Subwoofer - Dual Shielded with RCA to RCA Gold-Plated Connectors - Black - (Part# CYA-1M2M-15B )

y adapter - Best Buy

Metra Electronics 1 Female to 2 Male Y Adapter at AutoZone

Metra WM-RCAY is a stereo RCA Y-adapter cable used to split the audio source from one input/output to two. It comes with one male to 2 female adapters

Metra WM-RCAY RCA Y Adapter Set

These interconnect wires consist of 2 twisted channels that offer improved noise rejection by alternating the positive and negative conducters in your vehicle's stereo system. The frosted outer shield ensures durability and flexibility.

Metra - 3' RCA Cable - Multi

FosPower RCA Y-Adapter (3 Feet), 1 RCA Male to 2 RCA Male Short Y Splitter Digital Stereo Audio Cable for Subwoofer, Home Theater, Hi-Fi - Dual Shielded

rca y adapter - Best Buy

FosPower RCA Y-Adapter (3 Feet), 1 RCA Male to 2 RCA Male Short Y Splitter Digital Stereo Audio Cable for Subwoofer, Home Theater, Hi-Fi - Dual Shielded