one 7" woofer and two 1" tweeters in each speaker

room-filling Stereo Everywhere® design

paintable grilles included

recommended power: 10-100 watts with receivers rated from 4 to 8 ohms

cutout dimensions: 11-1/2"H x 7-13/16"W

9-3/8"W x 13-1/8"H x 3-11/16"D

weight: 5.22 lbs. each

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What's in the box:

Bose® Virtually Invisible® 891 owner's manual