At the heart of the pioneer SXN30 is a direct Energy amplifier. Direct Energy amps use short signal paths throughout for purer & more dynamic sound quality. The SXN30 also makes a superb choice for listening in High Definition. It's compatible with WAW & FLAC files at 192 k Hz/24-bit as well as DSD (Direct Stream Digital) files at 2.8/5.6 M Hz. With 85 watts per channel, the pioneer SXN30 has power to share. An oversized power transformer & substantial capacitors mean that you get sound that's not only powerful & dynamic but also bass that's deep & sustained. For even more bass, simply connect up your choice of active subwoofer via the dedicated sub output. Connect via Ethernet or WI-FI to your home network & gain access to a whole new world of entertainment. From here you'll be able to access a massive range of internet radio stations also standard is Airplay making it easier than ever to stream from your Apple IOS devices. With a Bluetooth receiver built-in it's easy to enjoy your music from other devices. Pair with your smartphone, tablet, laptop or pc & wirelessly stream your music. The SXN30 comes with a USB (Universal Serial Bus) connection on the front making this receiver ideal for connecting up USB (Universal Serial Bus) mass storage devices & playing back your stored music files. A wide range of analogue RCA photo inputs are also supplied for sources such as tape decks or CD players.