Bose Virtually Invisible 791 Main Stereo Speakers may be small but they pack a whole lot of sound. They are in-ceiling speakers that are fully capable of evenly distributing the music you love throughout your listening area. They are rated by the Bose Corporation for 4-8 ohm impedence amplfiers. This means that they work optimally with amplifiers that are powered in the 10 watt range. You can connect them to your home theater system, too. This pair of loudspeakers can also be used as the center channel for any surround sound setup.
Each loudspeaker measures 13.5 by 12.4 by 11.8 inches and weighs 13.3 pounds. Inside every loudspeaker cabinet, you will find a 7-inch woofer and two 1-inch tweeters. These internal components are engineered to provide a complex audio experience with robust bass notes and pure-sounding high frequencies. There is no need for a separate loudspeaker enclosure because the loudspeakers’ infinite baffle design utilizes the space above the ceiling. With these
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Each loudspeaker requires a hole that is exactly 8 5/8-inches deep. Four standard dogleg clamps will hold each loudspeaker in place. The loudspeaker grilles attach magnetically. You will also need speaker wire to make the electrical connection between the speakers and the amplifiers. The amounts you will need range from 20 feet for 18 AWG to 90 feet for 12 AWG. Your speaker wire consists of two strands of wire: one positive and one negative. Connect the positive speaker wire to the positive loudspeaker terminal and the negative speaker wire to the negative loudspeaker terminal. Before you do so, though, strip approximately half an inch of installation from the speaker wires. If you want to get the fullest stereo sound, use two loudspeakers, and position them at equal distances from your listening area. To find a good space between the joists and avoid electrical wiring and plumbing pipes, use a stud