VSX-815K Home entertainment just got a lot more powerful — and a lot more convenient — with this surprisingly affordable Pioneer® A/V receiver. Packed with 3 component video inputs and 5 digital inputs, this receiver is ready to connect you to incredible HD-video and multi-channel audio, including the superior-quality DVD-Audio and SACD formats. With WMA9 Pro compatibility, you can even enjoy PC music and content in surround sound, in your living room. Whatever your entertainment source, you’ll experience it in 7-channel stereo, with 100 watts per channel. And with nine advanced surround modes to choose from, including DTS®-ES Discrete, DTS 96/24, DTS Neo:6, and Dolby® Digital EX, as well as Dolby Pro Logic® IIx for virtual surround sound from just two speakers. The power inside The world's best movie theaters use it. So does this Pioneer A/V receiver. We're talking about the dual precision 48-Bit Motorola® DSP for processing power of cinematic proportions. Couple that with high-quality 24-bit digital-to-audio conversion, and you've got professional-quality audio right in your living room. Built into a single integrated circuit, the Pioneer Hybrid Amplifier with Thermal Compensation Transistor Design delivers perfect sound precision, despite heat variations. So your sound stays cleaner, crisper, longer. Even when you play it louder. The ultimate audio experience Recreate sound in your home as it was meant to be heard. In any room, instantly — thanks to the first advanced Multi-Channel Acoustic Calibration Circuit (MCACC). Using microphones, MCACC automatically measures your room's acoustic environment, then fine tunes the sonic performance of your system. The result is more accurate audio reproduction — just the way the sound engineer intended. And just right for you.