d&b audiotechnik B4 15-Inch/12-Inch NLT4F/M Dual Passive Subwoofer option-group-Intimidator Beam heavy-duty pole

heavy-duty pole

full CMY color mixing and linear CTO color correction

Can be reconfigured with internal jumpers

right angle

d&b audiotechnik B4 15-Inch/12-Inch NLT4F/M Dual Passive Subwoofer option-group-Intimidator Beam heavy-duty poled&b audiotechnik B4 15 Inch 12 Inch NLT4F M Dual Passive Subwoofer The B4 SUB is an actively driven cardioid subwoofer powered by a single amplifier channel. It houses two long excursion neodymium drivers in an integrated cardioid setup: a 15" driver in a bass reflex design facing to the front and a 12" driver in a two chamber bandpass design radiating to the rear. The cardioid dispersion pattern resulting from this approach avoids unwanted energy