This speaker system features 7.7cm cone drivers for a spacious and dynamic sound. The front speakers are shielded so won't affect any stored data or CRT screens close by. The centre speaker is acoustically matched to the other speakers and features a longer casing for a more even spread of dialogue. The Pioneer S-HS100 5 way speaker system ensures a frequency response of 33 Hz - 20 kHz and 160 Watt peak power handling and they are featuring an impedance level of 6 ohm and 82 dB sensitivity.