Yamaha ressiiver RX-A550

AVENTAGE AV Receivers: Designed to Deliver the Highest Levels of Audio PerformanceAluminium Front Panel Offers Visual and Aural BenefitsAnti Resonance Technology (A.R.T.) Wedge helps to ensure that vibrations do not affect sound quality5-channel powerful surround sound--- 80 W per channel (6 ohms, 20Hz-20kHz, 0.09 % THD, 2 ch driven)--- 115 W per channel (6 ohms, 1 kHz, 0.9 % THD, 1 ch driven)--- 135 W per channel (6 ohms, 1kHz, 10% THD, 1ch driven)MusicCast for audio enjoyment in every roomWi-Fi Built-in and Wireless Direct Compatible for Easy NetworkBluetooth for wireless music streaming and Compressed Music Enhancer for BluetoothAirPlay, Spotify®*, Pandora®*, JUKE* music streaming service and AV Controller app*Music service availability varies by region.DSD 2.8MHz/5.6MHz, FLAC/WAV/AIFF 192kHz/24bit, Apple Lossless 96kHz / 24-bit playbackGapless playback compatibility allows play without interruptionHDMI (6 in/1 out) with HDCP2.2 (1 in/1 out), 3D and Audio Return ChannelFront panel USB Digital Connection for iPod/iPhone and USB thumbdrivesYPAO sound optimisation for automatic speaker setupExtra Bass enriches powerful bass sound even with small speakersMulti language colour OSD for improved visibility (English, German, French, Spanish, Russian, Italian, Japanese and Chinese)ECO mode operation for about 20% less power consumption