System data
Frequency response (-5 dB standard)
37 Hz - 90 Hz
Frequency response (–5 dB INFRA mode)
32 Hz - 68 Hz
Max. sound pressure1
with D20/30D
with D40/40D/D80

140 dB
143 dB
Loudspeaker data
Configuration
High performance subwoofer intended for ground stacked applications
Nominal impedance
4 Ω
Power handling capacity (RMS/peak 10 ms)
1000/4000 W
Components
2 x 18" driver with neodymium magnet
Connections
2 x NLT4 F/M
optional 2 x EP5