2X2 Drop In Full Grill Ceiling Speaker, 1 LV-Amplified

2X2 Drop In Full Grill Ceiling Speaker Two Way 6.5", Amplified and Non Amplified Speaker. 2X2 tile in a 24 x 12 x 5 inch back can. The 2x2 speaker can be amplified or non amplified. The Amplified versions have a 15 Volt DC power supply included.