- High output bass-reflex subwoofer system
- Twin 18SX Hi-power woofers with 4” voice coil
- Top located pole mount socket
- Side located handles.

This high efficiency bass-reflex subwoofer system uses dual 18SX low frequency transducers with 4” voice coils. The exceptional power handling capacity and efficiency provide high sound pressure levels of powerful bass. Two hand locations facilitate handling.

The cabinet is constructed from Birch plywood and is finished with a protective paint. The loudspeaker is protected by a perforated steel grille, sealed against corrosion using a powder coat finish. The Rf-218 is designed for use in biamped systems with extrenal amplification.

RMS Power Handling 2000 W
Peak Power Handling 8000 W
Frequency Range (-10 dB) 29 Hz-160 Hz
Nominal Impedance 4 ohms
On-axis Sensitivity 1 W / 1 m 101 dB SPL
Rated Peak SPL at 1 m 140 dB
Enclosure Material Birch Plywood
Color/Finish Black/Paint
Connectors 2 x NL4 speakON
Dimensions (H x W x D) 106.7 x 54 x 67 cm
42 x 21.3 x 26.4 in
Weight 64.5 kg (141.9 lb)