Bose RoomMatch Dual-18 Subwoofer - Dual 18 inch Sub

Description Bose RoomMatch Dual-18 Subwoofer - Dual 18 inch Sub The Bose RoomMatch RMS218 VLF-subwoofer is designed especially for use in extending the low-frequency response of Bose RoomMatch arrays all the way down to 25 Hz. RoomMatch RMS218 is attributed of a V-baffle design that reduces distortion while minimizing enclosure width, and it has a dual Bose LF18 18-inch high-excursion woofers. RoomMatch RMS218 is also reliable in ground-stack applications because of its durable Baltic birch enclosure with 2-part polyurethane coating integrates with all RoomMatch modules. You can create a RoomMatch 4-way systems by using the Bose RMS218 VLF-subwoofer with full-range modules and RMS215 subwoofer. FEATURES 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 Mechanical Diagrams        Specification Technical Summary 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 dBGround Stack (half space): 140 dBArray Position (free field): 136 dBGround Stack (half space): 142 dB Nominal Impedance 2 x 4 Ω (discrete connection per woofer)