DS18 XM3 3 Way Electronic Car Stereo Audio Electronic Sub Crossover Trunk Mount
The DS18 XM3 is a 3-Way Active Crossover w/ x20 Frequency Multiplier Switch. 2 OR 3-WAY ELECTRONIC CROSSOVER. 0-180 Degree Subwoofer Phase Switch. Gold RCA Input and Output Connectors. 3 Year Warranty.