With a high specification including custom made components the yamaha as501 has been created to surround even the largest rooms with rich sound the 85 watt yamaha gives a majestic sound quality with the scale and range of a much more expensive amp both optical and coaxial digital inputs are able connect up your tv cd player or other source with digital output add in the optional yamaha yba 11 bluetooth receiver and youll be able to effortlessly link up your smartphone tablet or other blu