ASQ1031 Features: * Ceiling speaker * Screw type grill Color/Finish: * Finish: White Specifications: * 4W, 8" with 1" diameter voice coil * Frequency: 100 Hz to 10 kHz * Sensitivity: 97 dB peak, 94 dB average * Power taps: .5, 1, 2, 4W * 70V / 25V Transformer Dimensions: * Overall Dimensions: 2.63" H x 8" W x 8" D.