Polk Audio RTI A9 - yamaha rx-a870 -

Dolby atmos dtsx very powerful av reciver 7.2channel. Spec SectionChannelRated Output Power 1kHz 1ch drivenRated Output Power 20Hz-20kHz 2ch drivenMaximum Effective Output Power 1kHz 1ch driven JEITADynamic Power per Channel 8642 ohmsSurround Sound ProcessingCINEMA DSPDSP ProgramsDialog Level AdjustmentVirtual Presence SpeakerVirtual Surround Back SpeakerDialogue LiftSILENT CINEMA Virtual CINEMA DSPDolby AtmosDolby TrueHDDolby Digital PlusDolby SurroundDTS:XDTS-HD Master AudioAudio FeaturesPure DirectCompressed Music EnhancerYPAO multi-point measurementYPAO VolumeAdaptive DRC Dynamic Range ControlInitial Volume Maximum Volume SettingA.R.T. WedgeBi-amp capabilityAudio Delay192kHz24-bit DACs for all channelsVideo Features4K Ultra HD Pass-through and upscalingHDMI 3D passthroughHDMI Audio Return ChannelHDMI upscalingDeep Colorx.v.Color24Hz Refresh Rate Auto Lip-SyncConnectivityHDMI InputOutputHDMI CECUSB InputNetwork PortWi-FiAirPlayBluetoothFront AV InputDigital Audio InputOutput: OpticalDigital Audio InputOutput: CoaxialAnalog Audio InputOutputPhono InputComponent Video InputOutputComposite Video InputOutputPreoutHeadphone OutputTuner SectionFMAM TunerDAB TunerUser InterfaceOn-screen displaySCENEApp ControlWeb Browser ControlRemote Control UnitZone ControlZone 2 Audio OutputPowered ZoneZone B OutputRS-232C Interface12V Trigger OutputRemote IR InputOutputParty ModeGeneralStandby Power Consumption IR onlyAuto Power StandbyECO modeDimensions W x H x DWeight MusicCast RX-A870 MusicCast RX-A870 AV Receiver Amplifier Section Channel 7.2 Rated Output Power 1kHz 1ch driven 160 W 4 ohms 0.9 THD Rated Output Power 20Hz-20kHz 2ch driven 100 W 8 ohms 0.06 THD Maximum Effective Output Power 1kHz 1ch driven JEITA 160 W 8 ohms 10 THD Dynamic Power per Channel 8642 ohms 130 170 195 240 W Surround Sound Processing CINEMA DSP Yes 3D DSP Programs 17 Dialog Level Adjustment Yes Virtual Presence Speaker Yes Virtual Surround Back Speaker Yes Dialogue Lift Yes no presence speakers required SILENT CINEMA Virtual CINEMA DSP Yes Virtual CINEMA FRONT Dolby Atmos Yes Dolby TrueHD Yes Dolby Digital Plus Yes Dolby Surround Yes DTS:X Yes DTS-HD Master Audio Yes Audio Features Pure Direct Yes with video on mode Compressed Music Enhancer Yes incl. enhancer for Bluetooth YPAO multi-point measurement Yes R.S.C YPAO Volume Yes Adaptive DRC Dynamic Range Control Yes Initial Volume Maximum Volume Setting Yes A.R.T. Wedge Yes Bi-amp capability Yes Audio Delay Yes 0-500 ms 192kHz24-bit DACs for all channels Yes Burr-Brown Video Features 4K Ultra HD Pass-through and upscaling Yes 4K 60p 4:4:4 HDMI 3D passthrough Yes HDMI Audio Return Channel Yes HDMI upscaling Yes Analogue to HDM HDMI to HDMI Deep Colorx.v.Color24Hz Refresh Rate Auto Lip-Sync Yes Connectivity HDMI InputOutput 8 2 HDCP2.2 HDR10 Dolby Vision HLG and BT.2020 compatible HDMI CEC Yes SCENE Device Control USB Input USB Memory Portable Audio Player Network Port Yes Wi-Fi Yes with Wireless Direct AirPlay Yes Bluetooth Yes SBC AAC Front AV Input HDMI USB Mini Jack Digital Audio InputOutput: Optical 2 0 Digital Audio InputOutput: Coaxial 2 0 Analog Audio InputOutput 5 front 1 0 Phono Input Yes Component Video InputOutput 1 0 Composite Video InputOutput 1 0 Preout 7.2-ch Headphone Output 1 Tuner Section FMAM Tuner Yes FM only DAB Tuner Yes User Interface On-screen display Graphical User Inter face SCENE SCENE 4 sets App Control Yes iPhone iPad Android phone tablet Web Browser Control Yes Remote Control Unit Yes Zone Control Zone 2 Audio Output Line output Powered Zone Zone 2 Zone B Output Yes HDMI RS-232C Interface Yes 12V Trigger Output 1 Remote IR InputOutput 1 1 Party Mode Yes General Standby Power Consumption IR only 0.1W Auto Power Standby Yes ECO mode Yes Dimensions W x H x D 435 x 171 x 382 mm with antenna: 435 x 234 x 382 mm 17-18 x 6-34 x 15 with antenna: 17-18 x 9-14 x 15 Weight 10.5 kg 23.4 lbs. buy from amazon ,

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