Specifications: Item:-In-Ceiling SpeakerOverall Height (In.):-7-1/2Overall Width (In.):-9Overall Length (In.):-9Tweeter Dia. (In.):-1/2Tweeter Composition:-TitaniumWoofer Dia. (In.):-6-1/2Woofer Composition:-Mineral PolymerWatt (RMS):-30Max. Wattage:-60Impedance (Ohms):-8Frequency Response:-63Hz to 21,000HzWeight (Lbs.):-3.5Package Quantity:-2Green/Sustainable Certification:-RoHS CompliantUNSPSC:-52161512