- Unique performance-to-size ratio - Integrated DSP and remote control - Fitted with integral handles and castors - Direct radiating, long excursion 12” driver - Integrated 35mm pole adapter The K-array KL12ma is a self-powered subwoofer. An additional DSP controlled powered output is designed for the KL12 passive subwoofer or for a KK100 ultra-slim satellite speaker. This combination is known as the Redline KR100 full-range portable powered PA system.