Designed to directly replace Bose 301 woofers for upgraded, better than original performance. Also compatible with Sony, Infinity, Klipsch, and many more. Super high excursion & vented magnet. Features treated paper cone, high suspension surround, and vented magnet / voice coil. 25 to 5,500 Hz.The item "NEW Pair (2) 8 inch Bose 301 Upgrade Subwoofer Speaker 4 Ohm 400W Bass Woofer" is in sale since Sunday, March 28, 2021. This item is in the category "Consumer Electronics\TV, Video & Home Audio\TV, Video & Audio Parts\Speaker Parts & Components\Woofers". The seller is "theaudioprophet" and is located in ky. This item can be shipped to United States.