HK Audio LINEAR 5 MK II 118 SUB HPA 3000 Watt HP Active Sub DSP Out 4 EQ Presets Network - 18"The standard bass reflex subwoofers form the solid foundation of the new LINEAR 5 MK II systems with their uncompromising performance and dry, defined bass down to the lowest of the lows. Cardioid settings that can be simply selected via a preset give the user an enormously expanded range of options for system configuration and access to the professional class. 2. 1 setups are simplified thanks to the stereo preamplifiers. Specifications Max. SPL @