Power 300 W max./50 W RMS Power 220 W max./35 W RMS Frequency range: 114 - 23,000 Hz Sound pressure level: 88 dB/W.m 10 cm cone woofer made of carbon mica composite fibre material 2.5 cm (1"") polyether imide balanced tweeter Ferrite magnet (woofer/tweeter) Neodymium magnet (tweeter) Hybrid surround Installation depth 45.5 mm