d&b audiotechnik B4 15-Inch/12-Inch NL4 Dual Passive Subwoofer 100851820 Field Angle (Medium Lens): 35°

Field Angle (Medium Lens): 35°

RJ45 connectors

1 and SMPTE 2082

The IF-DA2 interface card supporting Dante 2ch input and output can be installed (sold separately)

Fluid Tank Capacity: 0

d&b audiotechnik B4 15-Inch/12-Inch NL4 Dual Passive Subwoofer 100851820 Field Angle (Medium Lens): 35°d&b audiotechnik B4 15 Inch 12 Inch NL4 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 behind