OSD Audio ACE645 Invisible High Performance 6.5-Inch Trimless In-Ceiling Speaker, Pair

alaTest has collected and analyzed 5 user reviews of OSD Audio ACE645 Invisible High Performance 6.5-Inch Trimless In-Ceiling Speaker, Pair from Amazon.com. The average user rating for this product is 4.4/5, compared to an average user rating of 4.2/5 for other products in the same category on Amazon.com. Reviewers really like the price. The usability is also appreciated, but some have doubts about the reliability and size.