8" speaker with 100 V line transformer of 6-3 W integrated. Frequency response: 80 to 19,000 Hz, sensitivity: 90 dB (1 W, 1 m, 1 kHz), maximum SPL: 100 dB (1 m, 1 kHz). Diameter: 160 mm and depth: 75 mm. Weight: 305 gr.