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.

• Direct radiator Sub Woofer with Filter
• 18 in. low frequency speaker
• 600 W power handling
• View Full Line of Subwoofer Series Speakers

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SPECIFICATIONS
Frequency Range (-10 dB)	35 Hz – 125 kHz
Program Power Capacity	1200 W
On-Axis Sensitivity 1 W/1 m	98 dB SPL
Impedance	8 Ω
Enclosure Material	Plywood
Dimensions (H x W x D)	24.8 x 22 x 21 in
Weight	77 lbs