Hum eliminator.
ROLLS
Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black
Ground Loop Isolator | BOSS Audio B25N Noise Filter for Car Audio Systems
PAC SNI-1 Noise Isolator
Kript HiFi Ground Loop Isolator for Audiophile Low Frequency Can Reach 20hz Music Without Distortion
CablesOnline , 10-PACK RCA Female Jack to 6.35mm (1/4inch) Mono Male Plug Audio Adapter, Gold Plated, AV-A21K-10
Electop 10 Pack Audio Video Gold RCA Female to Female Coupler Adapter
LINESO 2Pack Stereo RCA to Stereo RCA Audio Extender Over Cat5 (2X RCA to RJ45 Female)
KabelDirekt RCA Stereo Cable/Cord (3 ft/feet short, Dual 2 x RCA Male to 2 x RCA Male Audio Cable, Digital & Analogue, Double-Shielded, PRO Series) supports (Amplifiers, AV Receivers, Hi-Fi)