Proficient Audio Systems C660 6.5-Inch Graphite LCR Angled Ceiling Speaker

alaTest has collected and analyzed 3 user reviews of Proficient Audio Systems C660 6.5-Inch Graphite LCR Angled Ceiling Speaker from Amazon.com. The average user rating for this product is 5.0/5, compared to an average user rating of 4.2/5 for other products in the same category on Amazon.com. Reviewers are impressed by the sound and design, but there are some critical views about the reliability.