Very-low-frequency subwoofer - with 30 Hz rated response (-3 dB) and 25 Hz usable response (-10 dB) for the most demanding electronic music and sound-effect program material

Dual Bose LF18 woofers 18-inch, high-excursion, 4.5-inch voice coil, neodymium-magnet transducers provide maximum performance

142 dB peak sound levels - provide balanced subwoofer performance with the largest RoomMatch array systems

V-baffle design - provides increased acoustic loading and lowers port airflow turbulence to improve sound quality, while minimizing enclosure width to allow integration with all RoomMatch modules

Recommended Bose PowerMatch PM8500 power amplifier - provides optimal power and loudspeaker DSP

RoomMatch RMS218

Frequency Range (-10 dB)
25 Hz - 250 Hz

Power Handling, Peak
6000 W (3000 W per woofer)

Sensitivity (SPL / 1 W @ 1 m)
96 dB

Calculated Maximum SPL @ 1 m, peak
Array Position (free field): 134 dB
Ground Stack (half space): 140 dB
Array Position (free field): 136 dB
Ground Stack (half space): 142 dB

Nominal Impedance
2 x 4 Ω (discrete connection per woofer)