The TX-SR505 uses specific Dolby Digital and DTS codecs to reproduce an enveloping 7.1-Channel surround sound experience. The unit encodes Dolby Digital, Dolby Digital EX, Dolby Pro Logic II, Dolby Pro Logic IIx, DTS, DTS 96/24, DTS-ES Discrete/Matrix, DTS Neo:6.
AUDYSSEY 2EQ
For enhanced room acoustics, Onkyo's AUDYSSEY 2EQ technology is included with the TX-SR505. AUDYSSEY 2EQ is designed to work with home theater systems to create a larger, fuller listening area without distorting the sound.
High Definition Multimedia Interface (HDMI)
If you're looking to pump high-definition DVD playback into your HD displays or projectors, the TX-SR505 will do the job. It has a high-bandwidth processor capable of transferring 720p/1080i and 1080p through the HDMI output. HDMI supports standard, enhanced, or high-definition video, plus multi-channel digital audio on a single cable.
Wide Range Amplifier Technology (WRAT)
It's the Wide Range Amplifier Technology (WRAT) that will fill your room with noise-free, impressively powerful, true-to-life sound. With a broader frequency range and lower harmonic noise entering the signal path, the TX-SR505 is perfectly suited for new high resolution DVD-Audio and SACD formats.
Optimum Gain Control
This receiver has the ability to adjust the gain allowing for less noise contamination especially at lower volumes.
CinemaFILTER Technology
Onkyo's proprietary CinemaFILTER restores the correct tonal balance to movie soundtracks that can otherwise play to edgy and bright over home audio equipment since it's designed for large theaters.
Exceptional Performance
With playback specifications that meet the standards of professionals, the TX-SR505 features component video outputs for high-resolution low-distortion video reproduction.
Remote Interactive (RI) Interface
Remote Interactive (RI) capability enables you to simply connect your iPod to your receiver through Onkyo's RI Dock option for the iPod (DS-A2). Your iPod effectively becomes another Onkyo component flowing through the TX-SR505.
Color-Coding System
Onkyo takes the guesswork out of the installation process with an easy-to-use surround-sound channel color-coding system.