Two-way speaker with power rating of 40 W (selectable by rear switch to 20, 10 and 5 W), 100 V line. Connection of low impedance 8 ohms. 6" speaker for low and medium frequencies and 1" tweeter speaker for high frequencies. Frequency response of 70-20.000 Hz. Sensitivity 88 dB (1 W, 1 m and 1 kHz). Maximum sound pressure level 104 dB (40 W, 1 m and 1 kHz). Dimensions 215 x 284 x 190 mm. Trapezoidal enclosure to improve directivity, white ABS, metallic grille and steel mounting bracket for wall or ceiling.