Denon AVR-X4500H 9.2-Channel home theatre receiver with Wi-Fi, Apple AirPlay 2, and Amazon Alexa compatibility (Certified Refurbished)

Power and Processing:

• 9-channel amplifier
• 125 watts per channel into 8 ohms (20-20,000 Hz) at 0.05% THD, with 2 channels driven
• Dolby® and DTS® surround sound decoding
  • Dolby Atmos processing for use with in-ceiling or "height" speakers for more enveloping surround sound
  • supports 5.1.2, 5.1.4, and 7.1.2 Atmos setups with multiple placement patterns for height channels
  • DTS:X for an immersive, 3-dimensional soundstage
• Auro-3D® built-in for three-dimensional soundfields with Auro-3D soundtrack mixes and a 9.1-channel speaker configuration
• IMAX Enhanced certification for improved performance with IMAX Enhanced content (via future firmware update)
• analog-to-HDMI video conversion
• upscales standard-definition video signals to HD and Ultra HD (up to 4K)
• Audyssey speaker calibration and system optimization includes:
  • MultEQ® XT32 auto setup and room calibration delivers balanced, dynamic sound with enhanced surround performance for as many as eight seating positions
  • Dynamic Volume anticipates loud sounds to keep volume levels even
  • Dynamic EQ improves dialogue, bass response, and surround channel levels at lower volumes
  • Sub EQ HT provides individual calibration for dual subwoofers, for even bass response throughout the room
  • Low Frequency Containment reduces the amount of bass that bleeds into other rooms
  • Audyssey MultEQ app for further audio customization (paid app; not included)

Digital and Streaming Music Options:

• built-in Wi-Fi for listening to music from a networked PC, free internet radio, and music services
• HEOS Built-in technology wirelessly connects compatible HEOS components for whole home audio
  • includes support for Pandora®, SiriusXM, and Spotify® (subscription required for some services)
  • free HEOS app offers easy Wi-Fi control, settings adjustments, and music selection and playback
  • works with Amazon Alexa-compatible voice control assistants
• Apple AirPlay 2 lets you stream directly from an iPhone® or iPad® and ask Siri to play Apple Music
  • supports multi-room audio with compatible wireless speakers
• built-in Bluetooth® for wireless music listening with smartphones, tablets, and compatible computers
• plays high-resolution digital music files via USB storage device or a networked computer (PCM up to 24-bit/192kHz resolution; DSD up to 5.6 MHz)
• Denon's Compressed Audio Restorer improves sound quality of MP3s and other digital music files

Multi-room Audio/Video:

• three-room/three-source output
  • powered outputs for second and third rooms allow playback in three rooms at once
  • amp assign feature lets you reassign extra surround channels to second and third zones
  • line-level outputs for Zones 2 and 3 for use with additional receiver, amplifier, or powered speakers
  • All Zone Stereo mode ensures that both zones stay in sync when playing the same source
  • Zone 2 HDMI output for watching video content from different sources in two zones simultaneously
  • Zone 2 compatible audio sources: HDMI audio, optical/coaxial digital inputs, analog audio inputs, AM/FM tuner, USB, Bluetooth, and HEOS music apps
  • component and composite video outputs can be assigned to Zone 2
  • HDMI audio sources cannot be output to Zone 3

Connections:

• HDMI audio/video switching: 8 in (includes 1 front-panel input), 3 out
  • HDCP 2.2 technology ensures compatibility with 4K Ultra HD sources and TVs
  • HDR-compatible for extended picture contrast and brightness with compatible 4K TVs and HDR-encoded content
  • supports HDR10, Dolby Vision™, and HLG
  • supports eARC with firmware update
• component video switching: 2 in, 1 out
• composite video switching: 3 in, 2 out
• digital audio inputs: 2 optical, 2 coaxial
• 5 analog stereo RCA audio inputs
• MM (moving magnet) phono input for connecting a turntable
• 11.2-channel preamp outputs include outputs for 2 powered subwoofers
• front-panel USB port for audio playback from USB flash drives
• Denon Link HD creates a jitter-free connection to compatible Denon Blu-ray players; requires HDMI connection and proprietary Denon Link RCA-style cable
• Ethernet port for network connection
• outputs for 11 speakers (Front L/R, Center, Surround L/R, Surround Back L/R, Height1 L/R, Height2 L/R)
• receiver can power a maximum of 9 channels at once
• RS-232C port for use with external controllers
• IR in/out and 12-volt triggers
• full-sized headphone jack
• removable power cord