In-Ceiling Speaker Indoor Overall Height (In.) 3 1/2 in Overall Width (In.) 24 in Overall Length (In.) 24 in Tweeter Dia (In.) 8 in Tweeter Composition Paper Woofer Dia (In.) 8 in Woofer Composition Paper 10 W Watt (RMS) Max Wattage 15 W Sensitivity (dB) 90 dB Impedance (Ohms) 8 ohm Transformer Settings 0.25 W 0.5 W 1 W 2.5 W 5 W Frequency Response 85Hz to 20kHz Weight (Lbs.) 2.7 lb Includes 70/25V Transformer with Colored Leds Dual Cone