This Onkyo TX-NR525 receiver comes equipped with a Bluetooth adapter, allowing you to easily connect your favorite devices and enjoy high-quality audio in your home. The receiver is designed with Onkyo's signature attention to detail, ensuring that your sound is crisp and clear.

　　Highlights:

　　5-channel amplifier

　　80 watts per channel into 8 ohms (20-20,000 Hz) at 0.7% THD, with 2 channels driven

　　Dolby® and DTS® surround sound decoding

　　Audyssey MultEQ® auto speaker calibration (microphone included)

　　Audyssey Dynamic Volume® mode to maintain steady listening levels

　　Audyssey Dynamic EQ™ for fuller surround sound at lower volumes

　　Digital and Streaming Music Options:

　　direct digital connection of iPod®/iPhone® through front-panel USB input allows music control via receiver's remote

　　Internet-ready for listening to music from a networked PC, free Internet radio, and music services

　　includes support for Pandora, Spotify, Rhapsody, SiriusXM, Slacker, TuneIn, and Aupeo! (subscription required for some services)

　　plays high-resolution digital music files via USB storage device or a networked computer (up to 24-bit/192kHz resolution)

　　plays DSD files (2.8 MHz .dsf files) from network and USB storage devices

　　DLNA certified for streaming music with compatible devices and computers

　　add Bluetooth integration with an optional Onkyo adapter

　　add Wi-Fi® with an optional Onkyo UWF-1 Wi-Fi® adapter

　　Multi-room Audio:

　　dual-room/dual-source output

　　line-level stereo audio output for 2nd zone

　　using line-level Zone 2 output requires the use of separate amplifier or powered speakers

　　only analog, network or USB audio sources can output to Zone 2

　　Audio Performance Features:

　　high-current amplifier design with massive power transformer

　　192kHz/24-bit Burr-Brown digital-to-analog converters for all channels

　　direct mode switches off unnecessary circuitry to provide cleaner sound

　　Music Optimizer function enhances the sound quality of compressed music files

　　Connections:

　　HDMI 1.4a audio/video switching: 6 in, 1 out

　　component video switching: 2 in, 1 out

　　composite video switching: 5 in (includes 1 front-panel input), 1 out

　　digital audio inputs: 1 optical and 2 coaxial

　　6 analog stereo audio inputs

　　preamp outputs for 2 powered subwoofers

　　no phono input — to connect a turntable you'll need to add a phono preamp

　　front-panel USB port for audio playback from USB flash drives and portable music players

　　rear-panel USB port for add-on Wi-Fi or Bluetooth adapters

　　Ethernet port for network connection

　　outputs for 5 speakers (Front L/R, Center, Surround L/R)

　　General Features:

　　free Onkyo remote app lets you use your Apple or Android device as a Wi-Fi remote

　　4K and 3D video pass-through

　　Audio Return Channel function receives digital audio signals from a compatible HDTV's tuner via HDMI

　　Phase-Matching Bass optimizes low frequencies to preserve clarity with vocals and movie dialogue

　　40 AM/FM presets

　　programmable remote

　　17-1/8"W x 6-13/16"H x 13-7/16"D

　　weight: 18.7 lbs.