Acabo de encontrar esto, ¿qué os parece?
http://www.intl.onkyo.com/downloads/pro ... eaflet.pdf
Speaker Type ................................................................................... 2-Way, Bass Reflex
Woofer............................................................................................... 12 cm A-OMF Cone
Tweeter.............................................................................................. 2.5 cm soft-dome
Frequency Response ...................................................................... 50 Hz-35 kHz
Crossover Frequency...................................................................... 6.5 kHz
Sensitivity......................................................................................... 85 dB/W/m
Max. Power ...................................................................................... 70 W
Nominal Impedance ....................................................................... 4 Ω
Dimensions (W x H x D) ................................................................ 158 x 267 x 244 mm
Weight ............................................................................................... 3.7 kg