ROEM-GM21A Radio Replacement Interface Model:ROEM-GM21A Unlike many amplifiers available at

Unlike many amplifiers available at similar prices

2007-13 Suburban

or low-pass crossoverswith variable electronic frequency adjustment to allow for fine-tuningmultiple system configurations

2004 - 2005 Century

5V RCA output for clearer signal

ROEM-GM21A Radio Replacement Interface Model:ROEM-GM21A Unlike many amplifiers available atDescription Facilitates the replacement of factory installed Bose radios in select GM vehicles while retaining the factory amplified audio system's function. Plug and play installation retains factory wiring integrity. Transformer isolated for optimal sound and performance Maintains correct phasing Retains the function of the factory installed amplified sound system Application Guide Year(s) Make Model Trim Level Additional Info 1999 2002 CADILLAC