Studio Monitors & Speakers
KS Audio CB 18
KS audio CB 18, Active 18" bass reflex subwoofer, Built-in 1200 W amp for the subwoofer + 2x 400 W for the corresponding KS C10 top, Output for matching Slave Sub CW18, Built-in DSP with FIR filter, Direct USB connection to the subwoofer for EQ and...
https://www.bizrate.co.uk/musicalinstrumentmonitors_speakers/ks-audio-cb-18-oid1049980586.html