HK Audio Linear Sub 1800 A 18 Inch Active Subwoofer 100054527 It features 28 faders over

It features 28 faders over 6 layers

Frequency Range (-10 dB): 37 Hz – 20 kHz

Approximate Battery Life: Single Color: Up to 12 Hours

Great choice for recording vocals

HK Audio Linear Sub 1800 A 18 Inch Active Subwoofer 100054527 It features 28 faders overHK 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.