Roswell R 7.7 Marine Speaker The R 7.7 speaker by Roswell maximizes the power and Range of the R series to supply outstanding acoustic performance. Designed for marine environments, the Deutsch wiring harness creates a water tight connection perfect for marine environments. The integrated RGB LEDs backlight the cone help set the mood and can be customized using a RGB controller. These popular 7.7 speakers feature a 34 tweeter and a concealed integrated crossover network to set the mood out on th