Class D home theater receivers' sound quality isn't in the same league. Well, that's what I thought before I read Michael Fremer's glowing review of Pioneer's Elite SC-57 receiver ($2,100) in Home ...

If your home theater is above average in size, say 300 or more square feet, and you like to listen nice and loud, there's a good chance your receiver's power amp is the weak link in your system.

DEH headsets are launched by Pioneer having serial numbers 149 and 249. And the model numbers of the GM amplifiers are respectively 3500F, 5500T and 6500T which includes an advanced power supply ...