5" speaker with 100 V line transformer of 6-3 W integrated. Frequency response: 90 to 15,000 Hz, sensitivity: 92 dB (1 W, 1 m, 1 kHz), maximum SPL: 100 dB (1 m, 1 kHz). Dimensions: 120 x 120 x 75 mm. Weight: 225 gr.