2 Channel Hi/Low Level RCA Converter - 2 x Female RCA Outputs.Level Adjustable - Dimensions: 3.6''L x 2.6''W x 1.08''H.Ground Loop Isolation and Noise Elimination.Aluminum Housing.Max Input: 50W This Pyle Link line out converter takes a takes a low-level input and converts it to a high-level input and converts it to a high-level RCA output. Adjust the levels using the built-in control. Ground loop isolation and noise elimination smoothes out your signal for output to an amplifier. Aluminum housing keeps your equipment safe. Max input 50 W.