Installation took about 3 hours and I had my young apprentice electrician son-in-law do it. I could have but he knew what he was doing.
Once installed, it performed exactly like I hoped. We had both gotten the point where we were using subtitles to understand movie dialogue. That is no longer necessary. When at a moderate sound level, the sound is clear and crisp and easily understandable. When turned up for music or action films, the system gives the feeling of being in a theater.