2' x 2' LAY-IN CEILING SPEAKER, 8" Speaker package of two - assembly with speaker, amplifier and volume control mounted in 2' x 2' grille with integral backbox. Features: Lightweight - Weighs Slightly More Than a 2' x 2' Ceiling Tile Inconspicuous Front Accessible Volume Control (One-Way Only) Save time, Effort & Money -- Get On & Off the Job Quickly Durable White Acrylic Baked Enamel Finish No Cutting Tiles, No Broken Tiles, No Mess Excellent Music & Voice Quality Integral Backbox Meets Or Exceeds ASTM E84 Flame & Smoke Test with 3 Hour Burn Rating (UL 181)