d&b audiotechnik B22 Passive Subwoofer with NLT4 F/M Connections 100698102 d&b audiotechnik B4 15-Inch/12-Inch NL4

d&b audiotechnik B4 15-Inch/12-Inch NL4 Dual Passive Subwoofer

Maximum High Frequency Attenuation

Third Fader:There are three master faders on the GL2400

Durable impact-resistant firberglass face

d&b audiotechnik B22 Passive Subwoofer with NLT4 F/M Connections 100698102 d&b audiotechnik B4 15-Inch/12-Inch NL4d&b audiotechnik B22 Passive Subwoofer with NLT4 F M Connections The B22 SUB is a high performance subwoofer designed for ground stacked applications, housing two long excursion 18" drivers built into a bandpass horn cabinet design. With high Sound Pressure Levels and an extended frequency response, the B22 SUB is ideal for any large format sound reinforcement application. When operated in INFRA mode, the B22 SUB can be used to complement other d&b