The JRX218S is driven by a massive JBL 18" wooferwith a cast frame and 3" voice-coil.
Features
18 in. compact subwoofer.
350 W (continuous), 1400 W (peak) power capacity.
The rugged enclosure is constructed from 19 mm (.75 in)MDF (Medium Density Fiberboard) using advanced adhesives and mechanicalfastener technology for durability and improved low-frequency performance. Theenclosure is covered in black carpet.
A top mounted, cast aluminum 35 mm pole mount receptaclecan receive an optional SS3BK pole to facilitate use of the JRX218S as a basefor a midhigh speaker cabinet.
Non-resonant, all steel handles are used.
Attractive 18-gauge perforated steel grille protectscomponents from damage.
Specifications
Power Rating ------------------350 W / 1400 W
Frequency Range (-10 dB) ------------------34Hz - 250 Hz
Frequency Response (±3 dB) ------------------53 Hz - 250 Hz
Sensitivity (@1m) ------------------98dB SPL
Nominal Impedence ------------------4ohms
Recommended Amplifier Power ------------------350 W to 700 W into 4 ohms
Maximum SPL ------------------133 dB
Dimensions(H x W x D) ------------------ 605mm x 508 mm x 551 mm (23.5 in x 20.3 in x 22 in)