VSX-S520 (Refurb)

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.



Amplifier Design Class D
Power Output: Watts per Channel (1 kHz, 1.0%THD@4ohm, 2ch driven FTC) 50 W
Estimated Power Consumption/Network Standby off 60 W / 0.2 W
Channels 6
Power Output: Watts per Channel (1 kHz, 1.0%THD@4ohm, 1ch driven FTC) 80 W

Handheld and Internet

AirPlay Yes
Made for iPhone and iPod AirPlay Only
TIDAL Music Streaming Service Ready Yes
Internet Radio TuneIn Radio
HTC Connect -
iOS/Android Remote Control APP Pioneer Remote App
Pandora Internet Radio Yes

Decoders & Formats

Digital Core DSP Engine Cirrus Logic (Quad Core) x1
Music File Playback MP3, WMA, AAC, Apple Lossless*, WAV*, FLAC*, AIFF, DSD via USB and Network (*up to 192kHz/24-bit),
Dolby Atmos 3.1.2ch
Dolby Digital Plus Yes
DTS-HD Master Audio Yes
DTS Neo:X -
iPod Digital Audio -
High-Definition Copy Protection (HDCP) 2.2
Dolby TrueHD Yes
DTS Neural:X -
HDMI SACD Transfer Multi-Channel

Soundfield Calibration

Phase Control Yes
MCACC Memory 1
EQ Bands 9-band
X-Curve Yes
Polarity Check -
Standing Wave Control -
Symmetric EQ Yes
Distance Adjustment 0.1 feet
Auto Subwoofer Crossover Yes

Listening Modes

Auto Surround Yes
Advanced Surround 12
Front Stage Surround Advance Yes
Virtual Speakers -
Stream Direct Yes (Direct, Pure Direct)
Wide Surround -
Headphone Surround -

Audio Features

Dialog Enhancement -
DSD Music File 2ch(2.8MHz / 5.6MHz)
Digital Noise Reduction -
Sound Delay (Lip Sync) 500 ms @ 48k/ 400 ms @ 96k/ 200 ms @ 192k
Bi-Amp -
Advanced Sound Retriever Yes
Sound Retriever AIR -
Tone Control Multi
Speaker A/B Yes

Video Processing

4K Ultra HD Pass-Through Yes
3-D Ready Yes
HDMI Standby Through Yes with Input Switch / Last Memory
HDMI x.v. Color Yes
Video Converter to HDMI -
Component Video Scaler -
Pure Cinema I/P Converter -
3D Noise Reduction -
4K Ultra HD Video Scaler Yes (1080p to 4K)
Audio Return Channel Yes
HDMI 36-bit Deep Color Yes
Video Processor -
HDMI to HDMI Video Scaler 4K Ultra HD (for 1080p)
Composite Video Scaler -
Advanced Video Adjustment -
Super Resolution Yes


HDMI Input / Output 4 in (4 Rear) /1 out
Wi-Fi Built-In Yes (5GHz/2.4GHz)
Wireless Adapter Port -
Component Video Input / Output -
iPhone / iPod / USB Memory Input USB Memory
Ethernet Input Yes
Digital Audio Inputs / Output 2 In (Optical 1, Coaxial 1)
Headphone Output Yes
AM/FM Presets 40 (FM only)
MHL 2 -
Bluetooth Built-In Yes (Version: 4.1, Profile: A2DP/AVRCP, Codec: SBC/AAC)
Bluetooth Adapter Port -
Composite A/V Input / Output -
USB Terminal Front USB
Analog Audio Inputs / Output -
Pre-Amp Output 0.1 Ch
Front A/V Inputs USB


On-Screen Display GUI with System/Network Setup Menu
Multi-Room and Source Output Yes (with future firmware update)
Multi-Zone On-Screen Display -
Function Rename Yes
Sleep Timer Yes
Auto Power Down Yes
IR Serial Remote In/Out -
FL Dimmer Yes
Remote Yes
Versatile Speaker Configuration (FRONT, CENTER, SURROUND, SUBWOOFER)


Front Panel Brushed
Speaker Terminals 6 Clips


Warranty 1 Year Parts & Labor


W x H x D (inches) 17.12 x 2.75 x 12.81
Weight 8.8 lbs.


Product Manual

Download the Product Manual for VSX-S520 (Refurb) here: VSX S520 Manual .

Firmware Updates