The Sub-Rock is used for additional power handling of bass frequencies when higher sound pressure levels are needed for improved performance. Has dual 10 inch 4 ohm woofers rated at 250 watts power handling, dual seperate inputs feeding each woofer with a separate 180 Hz low-pass filter. Shown in Black Lava. Dimensions: W22xD20xH21. 93db spl 1watt/meter (35hz-180hz). Free ground shipping within the Continental US. Lifetime factory warranty. Note: This is a passive sub, not powered. It requires a sub amplifier to to gain full benefit from it, available here. | Available Colors | | Grey Granite | Brown Sandstone | Burnt Rust | Black Lava |  |  |  |  | Priced as each.
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