HK Audio Linear Sub 1800 A 18 Inch Active Subwoofer 100721827 Optic interface: Optocore (optional factory

Optic interface: Optocore (optional factory fit only)

Noise: -99dB below 0dBu

33 dB (70V)

consistent high quality sound

HK Audio Linear Sub 1800 A 18 Inch Active Subwoofer 100721827 Optic interface: Optocore (optional factoryHK Audio Linear Sub 1800 A 18 Inch Active Subwoofer The LINEAR SUB 1800 A is an 18 bass reflex subwoofer with plenty of low end. Unbridled power, high sound pressure of up to 132 dB and thumping bass all the way down to 38 Hz make this active sub the ideal add on for the LINEAR 3 mid high units when you really need a little more depth and loudness. It can also be used with LINEAR 5 mid high units or as a bass extension to the ELEMENTS BIG BASE system.