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, Volume Control Knob