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Pioneer 5.1 Channel Network AV Receiver

Model #: VSX-S520
At a Glance
Bringing quality sound and the latest features in a slim and stylish design, thanks to the highly-efficient Class D amplifier. Enjoy spectacular images with Ultra HD (4K/60p/4:4:4) upscaling/pass-through, play Hi-Res Audio via USB/network, listen to internet radio and various streaming services. The slim, stylish design and efficient power makes the VSX-S520 an ideal addition to any home cinema.
Available in Store Only
$499.00Save $NaN

Get to know this product.

  • Slim 2.76” Low-profile Design
  • Built in Bluetooth® and WiFi®
  • Ultra HD Pass-through (4K UltraHD 60P/4:4:4) with HDCP 2.2
  • 80 W/ch (4 ohms, 1 kHz, THD 1.0 %, 1ch Driven FTC)
  • 50 W/ch (4 ohms, 1 kHz, THD 1.0 %, 2ch Driven FTC)

Slim Compact Design

Like other products from Pioneer, the VSX-S520 features a stylish black finish along with a slim line profile combined with low heat generation of class D amps and a low-profile design that makes it easy to fit into tight spaces.

Built-in Dual Band Wi-Fi

Enjoy network features such as audio streaming via wireless LAN connection. The built-in Wi-Fi is dual band, supporting both 5 GHz and 2.4 GHz frequency channels. By using the 5 GHz band, you can enjoy steady and uninterrupted streaming of audio files.

Ultra HD (4K/60p/4:4:4/24-bit) Upscaling/Pass-Through with HDCP 2.2

The feature lets you take advantage of the highest-quality video source for viewing on a 4K TV. With support for HDCP 2.2, you can enjoy premium content such as 4K videos with digital copy protection on a compatible display.

Dolby Atmos for 3.1.2ch with Surround Enhancer

The VSX-S520 supports up to 3.1.2ch Dolby Atmos*. Surround Enhancer*, developed by Dolby Laboratories, Inc., is a virtual speaker technology based on Head-Related Transfer Function (HRTF). With DSP, virtual surround speakers deliver the sound that usually comes from surround speakers. The 3.1.2ch is virtually expanded to 5.1.2ch to create 3D surround sound field. Even those who have difficulty installing rear speakers can also enjoy various audio formats** in a wide sound field with Surround Enhancer, as well Dolby Atmos.

Next Generation Video Standard Ready

The VSX-S520 is ready for the next generation video standard HDR (High Dynamic Range) and BT.2020, which were adopted by Ultra HD Blu-ray™. HDR is a technology that drastically expands the brightness peak, providing a higher contrast between light and dark images, which creates even more life-like pictures. BT.2020 is a new color-recording technology allowing a much wider gamut than the current BT.709 standard, enabling vividly rich coloration.

Chromecast™ Built-in

The VSX-S520 comes with Chromecast built-in, so you can use your mobile device to stream your favorite music, radio, or podcasts to the receiver. You can control the audio from anywhere in the house using Chromecast-enabled apps running on your personal device—iPhone, iPad, Android phone and tablet, Mac and Windows laptop, and Chromebook. Discover Chromecast-enabled apps at

Internet Radio and Online Music

Enjoy limitless streams of your favorite online music, sports, talk and news entertainment services, including Spotify® and for the first time TuneIn*1, TIDAL*1, and Deezer*1*2.

MCACC® Auto Room Tuning

Create the optimum acoustic environment with Pioneer’s MCACC (Multi-Channel Acoustic Calibration System), developed with the expertise of professional recording studios. With the custom microphone, the system automatically compensates for differences in speaker size, level and distance, and equalizes response. As an innovative solution for the phase lag between the subwoofer and the main channel speakers caused by the network filter, Phase Control compensates the delayed bass to improve sound synchronization.

Intuitive Control with New Pioneer Remote App (iOS/Android)

Enjoy smooth control using your beloved device. With the free Pioneer Remote app, you can use your iPad/iPhone/iPod touch or Android smartphone for operating the AV receiver, or play back tunes stored on your device. You can also select internet radio stations, and play songs from your media server.

Multi-room Audio Offers a Variety of Ways to Enjoy Music

FlareConnect™* shares audio from network and external audio input sources between compatible components. Enjoy effortless multi-room playback of LP records, CDs, network music services, and more with supported components and speaker systems. Music selection, speaker grouping, and playback management across the home are built into the Pioneer Remote App.



Amplifier DesignClass D
Power Output: Watts per Channel (20Hz-20kHz,.08%THD@8ohm 2ch Driven)50 W
Estimated Power Consumption/Network Standby off60 W / 0.2 W
Power Output: Watts per Channel (1kHz,10%THD@6ohm 1ch Driven)80 W

Handheld and Internet

Made for iPhone and iPodAirPlay Only
TIDAL Music Streaming Service ReadyYes
Internet RadioTuneIn Radio
iOS/Android Remote Control APPPioneer Remote App
Pandora Internet RadioYes

Decoders and Formats

Digital Core DSP EngineCirrus Logic (Quad Core) x1
Music File PlaybackMP3, WMA, AAC, Apple Lossless*, WAV*, FLAC*, AIFF, DSD via USB and Network (*up to 192kHz/24-bit),
Dolby Atmos3.1.2ch
Dolby Digital PlusYes
DTS-HD Master AudioYes
High-Definition Copy Protection (HDCP)2.2
Dolby TrueHDYes
HDMI SACD TransferMulti-Channel

Soundfield Calibration

Phase ControlYes
MCACC Memory1
EQ Bands9-Band
Symmetric EQYes
Distance Adjustment0.1 feet
Auto Subwoofer CrossoverYes

Listening Modes

Auto SurroundYes
Advanced SurroundYes
Front Stage Surround AdvanceYes
Stream DirectYes (Direct, Pure Direct)

Audio Features

DSD Music File2ch(2.8MHz / 5.6MHz)
Sound Delay (Lip Sync)500 ms @ 48k/ 400 ms @ 96k/ 200 ms @ 192k
Advanced Sound RetrieverYes
Tone ControlMulti
Speaker A/BYes

Video Processing

4K Ultra HD Pass-ThroughYes
3-D ReadyYes
HDMI Standby ThroughYes with Input Switch / Last Memory
HDMI x.v. ColorYes
4K Ultra HD Video ScalerYes (1080p to 4K)
Audio Return ChannelYes
HDMI 36-bit Deep ColorYes
HDMI to HDMI Video Scaler4K Ultra HD (for 1080p)
Super ResolutionYes


HDMI Input / Output4 in (4 Rear) /1 out
Wi-Fi Built-InYes (5GHz/2.4GHz)
iPhone / iPod / USB Memory InputUSB Memory
Ethernet InputYes
Digital Audio Inputs / Output2 In (Optical 1, Coaxial 1)
Headphone OutputYes
AM/FM Presets40 (FM only)
Bluetooth Built-InYes (Version: 4.1, Profile: A2DP/AVRCP, Codec: SBC/AAC)
USB TerminalFront USB
Pre-Amp Output0.1 Ch
Front A/V InputsUSB


On-Screen DisplayGUI with System/Network Setup Menu
Multi-Room and Source OutputYes (with future firmware update)
Function RenameYes
Sleep TimerYes
Auto Power DownYes
FL DimmerYes
Versatile Speaker Configuration(FRONT, CENTER, SURROUND, SUBWOOFER)


Front PanelBrushed
Speaker Terminals6 Clips


Warranty1 Year Parts & Labor


W x H x D (inches)17.12 x 2.75 x 12.81
Weight8.8 lbs

Misc. Specs

Product Weight (lbs.)8.8
Depth (in.)12.81
Width (in.)17.13
Height (in.)2.75
Remote Control TypeWireless Remote
Manufacturer Warranty1 Year Parts & Labor
Wifi ConnectivityYes
Color Finish NameBlack
Smart CompatibleYes
Wifi CapableYes
Bluetooth CapableYes
WarningProposition 65 Warning for California Residents