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YHT-B4770 (BDL)
(Home Theaters in a Box - Receiver Systems)

The YHT-B4770 features a versatile 5.1-channel network AV receiver that is ready for AirPlay®, music streaming, AV Controller App and HTC Connect™. It offers high sound quality, plus 4K Ultra HD pass-through and Extra Bass function for powerful sound. The elegant, high performance home theatre speakers are ideal for HD movies and music. The impressive 2-way, 3-speaker NS-F150 delivers natural sound with powerful bass output.

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4K Ultra HD pass-through for super high resolution images

This AV receiver provides advanced HDMI features including pass-through of 4K Ultra HD, which is gaining popularity. 4K Ultra HD refers to four times the resolution of a 1080p display. This receiver is capable of passing the 4K Ultra HD data from the source to the monitor, for image clarity far beyond present standards.

HDMI with 3D and Audio Return Channel

3D means the receiver can handle 3D signal data. The Audio Return Channel function enables data to be sent and received via the same HDMI cable, so you can hear the sound from the TV via a single HDMI cable, with no need for an extra optical cable.

HDMI CEC for Easy Operation

Another benefit of HDMI is the availability of CEC functionality. When the unit is connected to a CEC compatible TV, it will turn on and off together with the TV, and you can use the TV remote to control the volume. CEC also provides advanced functionality with other components. For example, you can use the receiver’s remote unit to control player functions like skip and stop. *All connected devices must be HDMI CEC compatible. Some CEC compatible TVs / players may not work.

HD Audio with CINEMA DSP 3D and Virtual Presence Speaker

CINEMA DSP 3D provides a wide, high and dense sound field. HD Audio format decoding lets you enjoy HD Audio sources. Virtual Presence Speaker delivers three-dimensional sound without actual use of presence speakers.

Gapless Playback Compatibility Allows Play without Interruption

Many live and classical albums have no gaps in the music. Gapless playback ensures that there are no pauses between audio files. This provides playback with no interruptions, the way it was meant to be heard. *Compatible with WAV, FLAC and ALAC file formats, and input from USB / PC / NAS.

Subwoofer Trim Conrol for Improved Sound Imaging

The Subwoofer Trim Control enhances the low frequencies by avoiding overlap with the front speaker output. This will result in a cleaner, more focused sound stage while providing a seamless frequency response. When subwoofer frequency overlap occurs in conventional systems, the overall sound is “pushed” toward the subwoofer. Subwoofer Trim Control takes care of this by separating the low subwoofer frequencies cleanly, thus stabilizing the front stage while providing a well-balanced enhanced bass sound.

ECO mode

ECO mode reduces power consumption by about 20%. It can be set easily from the top of the GUI/OSD menu.

Advanced YST

Advanced Yamaha Active Servo Technology (Advanced YST) is a unique system in which the speaker and amplifier work together to cancel out impedance so the speaker unit has a perfectly linear motion. Advanced YST helps to ensure the highest levels of sound pressure and overall performance.

Discrete Amp Configuration for High Clarity Audio Performance

The AV receiver was designed with a strong focus on achieving exceptionally high sound clarity. It employs a discrete amp configuration and a low jitter PLL circuit, which contribute to its excellent audio performance.

Network Functions

This AV receiver provides a variety of network functions that enable you to access more sources and also enhance operation. You can connect the receiver to a PC to enjoy Internet radio, Pandora®, Spotify and operate your system via WebBrowser Control. The AV Controller App (from iTunes® or Google play) lets you control various functions from your iPod®, iPhone®, iPad® or Android™ phones / tablets.

AirPlay® Allows Streaming Music to AV Receiver

This AV receiver supports AirPlay, which means they can accept wireless music streaming from iPod touch®, iPhone or iPad, as well as from iTunes on a Mac® or PC. This makes it easy to enjoy music from your mobile devices or computer on your home theater system. You can use view metadata such as song title, artist name as well as album art* via AV receiver's on-screen display. *Some models don't support album art display.

Stream Millions of Songs with Spotify Connect

With the Spotify app on your smartphone, you've got instant access to millions of songs. And now you can stream those songs to your Yamaha system by using Spotify Connect. Just hit play to start streaming music. What's more, when you've been listening on your smartphone outside and come inside, the song immediately streams to your AVR—like magic, you enjoy uninterrupted music. You can also personalize playlists and receive phone calls while listening to music. *The Spotify app and premium account are required. Visit spotify.com for more details. Try Spotify Premium for free on your Yamaha home entertainment System for 30 days. http://spotify.com/yamaha

HTC Connect™ for Wireless Streaming

HTC Connect lets you stream music to your AV receiver wirelessly. You don't need a separate app because HTC Connect is built right into your HTC phone. Simply swiping the HTC phone screen starts music output to the AV receiver, from the HTC device's local music sources or third party music sources.

AV Controller App for Easy, Convenient Operation

This AV receiver lets you use the Yamaha AV Controller app that is downloadable from the iTunes or Google Play to control power on / off and volume, select input and DSP modes and operate other functions from an iPhone or Android devices. You can also use in as many as 23 different languages and customize the interface by hiding unused icons and renaming functions. A tablet version is also available.

USB Digital Connection for iPod and iPhone on the Front Panel

A USB port on the front panel allows convenient connection of an iPod / iPhone, which also charges when connected. Because the digital signal from the iPod / iPhone is transmitted directly to the AV receiver, there is no signal loss or interference, so you enjoy the best possible sound quality. In addition, you can use the receiver’s remote control unit to operate the iPod / iPhone music playback functions.

Virtual CINEMA FRONT Provides Virtual 5-channel Surround Sound with High Quality and Resolution

Even when it is impossible to install surround speakers behind the listening position, Virtual CINEMA DSP reproduces virtual 5-channel surround sound filled with realism, with only two front speakers. With Virtual CINEMA FRONT, you will enjoy virtual 5-channel surround sound with higher quality and resolution by installing surround speakers at the front. You get more flexibility to arrange your speakers inside the room, along with easy enjoyment of high quality surround sound.

Extra Bass Provides Rich Bass Reproduction, Even with Small Speakers

Yamaha’ s exclusive low-range enhancement technology delivers richer bass than you expect from the speaker size while maintaining good localisation and sound balance even with compact front speakers. When a subwoofer is used, it improves the volume of the entire low range of the speaker system, not only the front speakers, but also enhancing the bass from the subwoofer. You'll enjoy video and music with sound that has exceptional power and presence.

YPAO™ Automatic System Calibration

Yamaha’s YPAO system uses a small microphone and sophisticated equalization to automatically set the best sound for any room, no matter where the speakers are. First, it checks the speaker connections and phase of each speaker. Then it sends out tones which are captured by the microphone to analyze the room acoustics and sets a variety of parameters, such as the speaker size, the distance of the speakers and even the sound pressure level, etc. Until it achieves the best sound conditions for your room and you don't have to do anything!

DSP Parameter Adjustment for Easy and Detailed Setting

This AV receiver is equipped with a variety of sound programs that utilize Yamaha's original DSP technology. They allow you to easily create sound fields like actual movie theaters or concert halls in your room and enjoy natural stereoscopic sound fields. Now you can use the AV Controller App to adjust DSP parameters to your preference to match the type of music / movie or the mood you want to achieve. There are two modes, basic and advanced, that you can choose according to the type of adjustments you want to do.

Compressed Music Enhancer

When music is encoded into a digitally compressed format like MP3, the frequency response suffers. Yamaha’s Compressed Music Enhancer employs sophisticated digital signal processing using exclusive algorithms to restore what was lost, so the music always sounds the way it should.

Total Purity Concept for the Finest Sound Quality

The Total Purity Concept, which Yamaha has been cultivating for many years, encompasses high drive amp technology, high purity preamplification, anti-vibration technology and independent pure power supplies. All models have a fully discrete power amplifier that helps to minimize distortion. They also adopt independent pure power supplies, allowing dedicated power supplies for the analog and digital circuitry to prevent digital noise from affecting analog circuitry. The anti-vibration heatsinks are designed to suppress vibration from transistors and sound pressure. Independent power supplies for the DACs are designed to further eliminate noise on certain models. Down to every detail, these AV receivers are designed with full emphasis on the highest possible sound quality.

SCENE – A New Level Of Operating Ease

With most AV components, watching or listening to what you want requires a number of steps. You have to turn on the AV component, turn on another component like a DVD player, select the source, select the surround mode and then press play. But with Yamaha’s SCENE feature all you need to do is press one button. Both components turn on, the correct DSP setting is made, and play begins. This SCENE function allows you to change input sources and sound field programmes with one button. Four SCENE buttons are available for different usages, such as playing movies or music.

Auto Power Down

Auto Power Down after 2, 4, 8 or 12 hours (selectable) and extremely low power consumption make this an environmentally friendly receiver.

Large-size, gold-plated screw terminals

The extra-large, screw-type terminals are gold-plated to ensure maximum signal transmission efficiency. They are capable of handling HD audio signals with no loss of sound quality.

IMPORTANT: Images may not reflect actual product.
GENERAL
Number of speakers (incl. Sub) 6
Wireless Rear Speakers No
Disc type None
Remote control Yes
Wireless connectivity Yes
DTS decoder Yes
Dolby Digital Yes
Dolby TrueHD/DTS - HD Yes
Additional information RX-V477 Receiver: 4K Ultra HD Pass-through; HDMI with 3D and Audio Return Channel; Discrete Amp Configuration; AirPlay®; Spotify Connect; HTC Connect; Yamaha AV Controller App; Virtual CINEMA FRONT; Extra Bass; YPAO Sound Optimization; HD Audio with CINEMA DSP 3D and Virtual Presence Speaker; DSP Parameter Adjustment; Gapless Playback Compatibility; Compressed Music Enhancer; Total Purity Concept; Subwoofer Trim Control; SCENE for One-Touch Start; ECO Mode; Selectable Auto Power Down; NS150BPKG Speaker Package: Advanced Yamaha Active Servo Technology (Advanced YST); Large-size gold-plated screw terminals; Wall Mountable
Included items RX-V477 Receiver: Remote Control; 2 x AAA batteries; AM antenna; FM antenna; YPAO microphone; NS150BPKG
I/O
HDMI inputs 6
HDMI outputs 1
Component inputs 2
Component outputs 1
S-VHS inputs 0
S-VHS outputs 0
Composite video inputs 4
Composite video outputs 2
Composite audio inputs 4
Composite audio outputs 1
Coaxial digital audio inputs 1
Coaxial digital audio outputs 0
Optical digital audio inputs 0
Optical digital audio outputs 0
iPod adapter No
Ethernet connection Yes
USB Yes
SUBWOOFER
Subwoofer included Yes
Built-in Subwoofer No
Power 100 W
Width 11.42 inch(es) / 29.0 cm
Height 11.42 inch(es) / 29.0 cm
Depth 12.91 inch(es) / 32.8 cm
Weight 18.74 lb(s) / 8.5 kg
RECEIVER
Width 17.13 inch(es) / 43.50 cm
Height 6.37 inch(es) / 16.19 cm
Depth 12.37 inch(es) / 31.43 cm
Weight 17.59 lb(s) / 7.98 kg
FRONT SPEAKERS
Width 7.87 inch(es) / 20.0 cm
Height 40.55 inch(es) / 103.0 cm
Depth 14.25 inch(es) / 36.2 cm
Weight 24.69 lb(s) / 11.2 kg
CENTER SPEAKER/SURROUND BAR
Width 15.55 inch(es) / 39.5 cm
Height 5.12 inch(es) / 13.0 cm
Depth 5 inch(es) / 12.7 cm
Weight 4.63 lb(s) / 2.1 kg
REAR SPEAKERS
Width 5.12 inch(es) / 13.0 cm
Height 8.86 inch(es) / 22.5 cm
Depth 5 inch(es) / 12.7 cm
Weight 2.65 lb(s) / 1.2 kg
WARRANTY
Warranty on Receiver 2 year(s)
Warranty on Speakers 2 year(s)