170-8A Perforated Baffle 8" by Atlas Sound is made with simplicity and style. It is popular because of a die-formed frame with "shal-low" bevel and perforated screen. It is designed for Ceiling and Wall-Mount Applications. It is 100% durable because of its Heavy-Gauge CRS Construction Guards Against Vibration and Rattle.Its sound quality is superb because of a separate loudspeaker mounting subplate (20-ga. CRS) provides extended "no leak" bass response.