The housing of the speaker is made from 8mm MDF (Medium-Density fiberboard) manufactured wood which allows for VLD (Very LowDistortion) technology when listening to music at a high volume.
The TX-NR807 has seven powerful 135-watts-per-channel Onkyo WRAT (Wide Range Amplifier Technology) amplifier sections for high output and lowdistortion, offering a dynamic power rating of 300 watts into 3 ohms.