The ACE670 trimless in-ceiling LCR angled speakers, you'll get imaging and staging that would be lost with regular down-firing in-ceiling speakers. Features include a sturdy 6.5” Carbon Fiber Woofer fixed at a 15° angle, a 1” aluminum dome tweeter, and a 90W power handling. You can even use them for Dolby Atmos® front, rear and side surrounds in a 5.1 or 7.2 system. Contour switches also allow you to tailor the bass and rebel to your preference.