Roswell Marine R1 10 Subwoofer Package This Roswell Subwoofer package features a R1 10 subwoofer and the needed R1 550.2 amplifier to power it. This package takes out the guess work of shopping for the correct amp. R1 10 Subwoofer Roswell R1 subwoofers feature an optimized motor structure for maximum power handling without sacrificing sound quality. Custom machined wire terminals combined with press fit inserts allow for rock solid wire connections with a clean finished look. Integrated RGB LEDs