The Sub-18H/Sub-18HF passive bass system incorporates a 18 in. low frequency transducer mounted as direct radiator into a bass-reflex cabinet. The loudspeaker is protected by a perforated steel grille, sealed against corrosion using a polyamide powder coat finish. The "H" version is designed for use in biamped systems while the "HF" version incorporates an internal network with filtered output for configuring mono-amplified three-way systems A top located pole socket permits mounting full-range systems above the Sub-18H and two bar handles makes moving easy.

• Bass-reflex subwoofer system
• Direct radiator Sub Woofer
• 18 in. low frequency transducer with 4 in. voice coil
• 600 W power handling
• Enclosure design provides tight, punchy bass
• Single 18H Hi-power woofer with 4 in. voice coil
• Top located Pole socket for mounting mid-high satellite systems
• 12 M10 rigging points
• "F" version with filtered output
• View Full Line of Subwoofer Series Speakers

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SPECIFICATIONS
Power Handling	600 W
Frequency Range (-10 dB)	35 Hz – 125 kHz
On-Axis Sensitivity 1 W/1 m	98 dB SPL
Nominal Impedance	8 Ω
Rated Peak SPL at 1 m	132 dB
Internal Crossover	None
Connectors	2 x NL4 Speakon
Enclosure Material	Plywood
Color / Finish	Black / Paint
Dimensions (H x W x D)	24.8 x 22 x 21 in
Weight	77 lbs