8'' Polypropylene Cone Full Range Mid-bass Speaker - Sensitivity: 88Db.Pivoting 1" Voice Coil Silk Dome Tweeter - 4-8 Ohm Impedance.Adjustable Treble Control - Cut-out Dimensions: 4.13'' x 11.02''.300 Watts Rated Peak Power/ 150 Watts RMS - Net Weight: 1.5Kg.Frequency Response: 35Hz-20KHz - Includes Built-in Mounting Hardware for Easy Installation These Pyle in-ceiling speakers deliver high performance audio in your home or business. This pair of 8", 300-watt speakers features an 8" polypropylene cone full range mid-bass speaker and a pivoting 1" voice coil silk dome tweeter for a full sound with a particularly sweet high end. Tweak your sound using the built-in treble controls. These speakers ultimately deliver a frequency response of 35 Hz to 20 kHz. Includes built-in mounting hardware for easy installation.