Two-way speaker with 8" bass speaker, 1" twitter and 60 W RMS maximum 100 V line power, with 30, 15 and 7.5 W power sockets. Also available in low connection impedance of 8 ohm. SPL 88 dB (1W) / 106 dB (60 W). Frequency response 40 ~ 20,000 Hz. Dimensions 289 x 417 x 255 mm.