
d&b audiotechnik | B4-SUB
High-performance passive subwoofer from the T Series
Technical specifications
Technology : Passive bass-reflex subwoofer from the d&b T Series
Configuration : Single 18" subwoofer
Transducer : 1x 18" long-excursion driver
Frequency response (-5 dB) : 37 - 140 Hz
Maximum sound pressure level at 1 m : 133 dB
Power handling : 800 W RMS / 3200 W peak
Recommended amplifiers : d&b D20, D40, 30D or D80
Nominal impedance : 8 ohms
Connectors : 2 NL4 Speakon
Dimensions W x H x D : 580 x 700 x 700 mm
Net weight : 55.0 kg
Frequently asked questions
The B4-SUB is designed to extend the low-frequency response of a sound system and provide greater impact and dynamic headroom.
A dedicated subwoofer improves low-frequency reproduction, enhances overall system clarity and allows full-range loudspeakers to operate more efficiently.
It is suitable for concerts, live shows, corporate events, DJ performances and audiovisual applications requiring powerful low-frequency reproduction.
This configuration allows the audio spectrum to be distributed more efficiently, improving the overall performance and impact of the sound system.


