In-Ceiling Speaker, -, Overall Height (In.) 7-1/2, Overall Width (In.) 9, Overall Length (In.) 9, Tweeter Dia. (In.) 1/2, Tweeter Composition Titanium, Woofer Dia. (In.) 6-1/2, Woofer Composition Mineral Polymer, 30 Watt (RMS), Max. Wattage 60, Impedance (Ohms) 8, Transformer Settings -, Frequency Response 63Hz to 21,000Hz, Weight (Lbs.) 3.5, Package Quantity 2