- The DS18 XM3 is a 3-Way Active Crossover w/ x20 Frequency Multiplier Switch
- Remote Sub-level Control 0-180 Degree Subwoofer Phase Switch Butterworth 12dB/octave Slopes Detente Frequency Selection Controls Gold RCA Input and Output Connectors
- Power, Ground and Remote Connector PWM Power Supply LED Power Indicator Bass Boost