- Ceiling Speaker Reviews - Featured Ceiling Speakers, Hifi Speakers, Review Monoprice 3-Way Fiber In-Wall Speakers Ceiling Speakers, Hifi Speakers, Review The Monoprice 6816 is a set of three-way in-wall speakers designed to be used as part of a home theater system. They feature three drivers with a large woofer capable of delivering deep bass. Read More → Ceiling Speakers, Hifi Speakers, Review