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JBL JRX218S Passive Subwoofer


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Extended Low Frequency

Top concert acts on the world stage rely on JBL speakers systems for the ultimate in high performance sound. Now, with the economical JRX218S eighteen-inch subwoofer, a wide variety of sound reinforcement applications can achieve the high performance sound of JBL. Well suited for live music, music playback and speech, the JRX218S provides extended sub-bass response in a compact, low-profile design while delivering high quality JBL sound. With its high sensitivity (96 dB SPL), the JRX218S will deliver plenty of deep, punchy bass even with moderately powerful amplifiers. Designed for versatility, a top mounted, pole mount receptacle allows the JRX218S to serve as a base for a mid-high speaker cabinet. For musicians, bands, public facilities, churches, and performance spaces looking for reliable, high quality sound, the affordable JRX218S and its companion models provide a versatile sound reinforcement solution.

Configuration flexibility

A top mounted, cast aluminum 36 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX218SP as a base for a mid high speaker cabinet.

Low Frequency

The JRX218S is driven by a massive JBL 18 in woofer with a cast frame and 3 in voice-coil. It’s rated at 350 watts (continuous) and 1400 watts (peak) – based on JBL Professional’s 100 hour extended life test.

Road Tough Construction

The rugged enclosure is constructed from 19 mm MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved low-frequency performance. The enclosure is covered in black carpet.

Extended Frequency Range

The JRX218s direct-radiation subwoofer design supplements and dramatically extends low frequency performance of full-range systems, delivering extraordinary deep base extension with a frequency range of 38 Hz to 300 Hz. Perfectly suited for live sound and music playback applications.