Rockford RFHLC High Level Speaker Signal to Low Level RCA Adapter Go to amazon.com Related posts The 10 best line level converter The 10 best rca line output converter 2022 Feature2-Channel High-to-Low Level ConverterHigh-to-low signal converter to connect 4-channel amplifiers to radios without RCA outputOutput Voltage: Up to 3V (low-level) DescriptionRockford 2 CHANNEL HI LO CONVERTER