4PCs 8 in Ceiling Speakers 100W Flush Mount Ceiling & in-Wall Speakers

4PCs 8 in/20.3 cm Ceiling Speakers 100W Flush Mount Ceiling & in-Wall Speakers 4 PCs 8-Inch In Ceiling Speaker Professionally Tuned Meticulous Details Easy Installation Versatile Applications Installation Reminder Sensitivity: 89dB,Item Model Number: 638,Quantity: 4 PCs,Frequency Response: 68Hz-20KHz,Impedance: 8,Speaker Dimensions(Diameter x Depth): 9.2 x 3.7 in/233 x 94 mm,Net Weight: 7.9 lbs/3.6 kg,Max Output Power: 100W per speaker,Cutout Diameter: 8.1 in/205 mm