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/ d&b B4 Sub Speaker


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The d&b B4 Sub Speaker is an actively driven cardioid subwoofer that can be powered by a single amplifier channel. The B4 Sub contains 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. This design results in the speaker producing a cardioid dispersion pattern which helps avoid unwanted energy behind the system improving the accuracy of the low frequency reproduction. The d&b B4 Sub Speaker is designed for ground stacking set ups and has a M20 threaded flange in the top panel which accepts the d&b M20 Windup Speaker Stands.

Speaker: 15 ” High Performance Cardioid Subwoofer

Frequency (-5db): 40-150Hz

Input: NLT4 Speakon M/F

Power Rating: 500-2000 Watt

Transport Weight (Kg): 48

£30.00 Day     £90.00 Week