Pioneer VSX-523-K vs Yamaha RX-A660

GENERAL	Pioneer VSX-523-K	Yamaha RX-A660
Brand	Pioneer	Yamaha
Series		Aventage
Model	VSX-523-K	RX-A660
Type	A/V Receiver	A/V Receiver
Country	USA	UK and Europe
Release Year	2013	2016
Predecessor	Pioneer VSX-522-K	Yamaha RX-A550
Successor	Pioneer VSX-524-K	Yamaha RX-A670

AMPLIFIER	Pioneer VSX-523-K	Yamaha RX-A660
Channels	5.1	7.2
Power Output	80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)	80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
Front Wide Channel Support
Amplifier Design	Discrete Direct Energy
THX™ Certification
Continuous 6 Ω Rated
Certified 4 Ω Performance
Discrete Output Stage Circuitry
Bi-amp Capability

AUDIO FEATURES	Pioneer VSX-523-K	Yamaha RX-A660
Digital Signal Processing (DSP) Engine	Texas Instruments Aureus
Surround:AI™
DAC		Burr-Brown
DAC Specs	192 kHz/24 Bit	192 kHz/24 Bit
Maximum Channel Processing	5.1	7.1
Air Studios Monitor Certification
Dolby Atmos		up to 5.1.2
Dolby Atmos Height Virtualization
Dolby Atmos Music
Dolby TrueHD
Dolby Digital Plus
Dolby Surround Upmixer
Dolby Pro Logic	PLII
Dolby Digital EX
Surround EX
DTS:X		up to 5.1.2
DTS Neural:X
DTS Virtual:X
DTS Neo	Neo:6	Neo:6
DTS-HD Master Audio
DTS-HD High Resolution Audio
DTS 96/24
DTS Express
DTS-ES		Discrete 6.1, Matrix 6.1
IMAX Enhanced
Auro 3D with Auro-Matic Upmixer
PCM	2-ch/Multi-ch Input	2-ch/Multi-ch Input
Network Audio Formats		MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
Music Playback via USB	MP3, WMA, AAC	MP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
High Resolution Music Playback via USB and/or Network	88.2, 96, 176.4, 192 kHz/24 bit	up to 192 kHz
High Resolution Audio Formats via USB		Apple Lossless, WAV, FLAC, AIFF, DSD
Gapless Playback
DSD via HDMI	2-ch Input	2-ch/Multi-ch Input
DSD via USB		2-ch Input
DSD to PCM Converter
USB DAC
Jitter Reduction
Auto Level Control	2 Channel
DTS Dialogue Control
Dialog Enhancement
Dialog Level Adjustment
Dialog normalization
Dialogue Lift		no presence speakers required
Sound Retriever	Advanced (2-Channel)
Sound Retriever AIR
Digital noise Reduction
Tone Control	Front L/R Channels
Compressed Music Enhancer	Advanced Sound Retriever	including for Bluetooth®
High-resolution Music Enhancer
Adaptive DRC (Dynamic Range Control)
Initial Volume & Maximum Volume Setting
Audyssey Dynamic EQ
Audyssey Dynamic Volume
Audyssey LFC
Audyssey Sub EQ HT
Audyssey DSX
Direct Mode
Straight Decoding Mode
Pure Direct Mode
CINEMA DSP		3D
DSP Programs		17
SILENT CINEMA / Virtual CINEMA DSP		Virtual CINEMA FRONT
Auto Surround
Optimum Surround
Advanced Surround	9+1 Mode DSP
Wide Surround
Front Stage Surround Advance
Headphone Surround
Virtual Speakers		including surround back
Virtual Depth
Independent Subwoofer Outputs

CALIBRATION	Pioneer VSX-523-K	Yamaha RX-A660
Auto Speaker Calibration System with Mic.	MCACC Auto	YPAO sound optimization
Manual MCACC
MCACC Memory	1
Phase Control
Auto Phase Control Plus
Full Band Phase Control
Standing Wave Control
EQ Bands	5-Band
Symmetric EQ
X-Curve
Distance Adjustment	0.1 Feet
Precision Distance
Polarity Check
Auto Subwoofer Crossover
PC Display
YPAO Volume
PEQ for SUB		Down to 31 Hz

VIDEO FEATURES	Pioneer VSX-523-K	Yamaha RX-A660
HDR10
HDR10+
Dynamic HDR
BT.2020 color space
Dolby Vision
HLG (Hybrid Log Gamma)
HDBaseT Compatible
Enhanced Audio Return Channel (eARC)
HDCP Version	2.2	2.2
QMS (Quick Media Switching)
ALLM (Auto Low Latency Mode)
VRR (Variable Refresh Rate)
QFT (Quick Frame transport)
3-D Ready
Video Signal Passthrough	up to 4K/30p	up to 4K/60p 4:4:4
Video Signal Upscaling
Analog To HDMI Upconversion
Component Video Upscaling
Analog to Analog Video conversion
Stream Smoother
Pure Cinema
Video Parameter Adjustments
Triple HD noise Reduction
Super Resolution
isf Certified Calibration Control

CONNECTIVITY	Pioneer VSX-523-K	Yamaha RX-A660
Wi-Fi		with Wireless Direct
Bluetooth		SBC, AAC
Works with Amazon Alexa		on MusicCast (Voice control using your Alexa device like Echo, Dot, Tap and Show)
Chromecast Built-In
Works with SonoS
DTS Play-Fi
MHL Input
DLNA 1.5
MusicCast
AirPlay	AirPlay	AirPlay
Apple Product Connection	iPod and iPhone via front USB	iPod, iPhone and iPad
Remote App		(iPhone® / iPad® / Android™ phone / tablet)
InstaPrevue Input Source Prevue

TERMINALS	Pioneer VSX-523-K	Yamaha RX-A660
HDMI Inputs	4	4
HDMI Outputs	1	1
8K Inputs
USB Input	1 Front	USB memory, portable audio player
USB DC Out Port
Optical Inputs	1	1
Optical Outputs
Coaxial Inputs	1	2
RCA Line Inputs	3	4 (1 front)
RCA Line Outputs
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	0.1	0.2
XLR Pre-outs
Composite Video Inputs	2	4
Composite Video Outputs	1	1
S-Video Inputs
S-Video Outputs
Component Video Inputs
Component Video Outputs
Ethernet
Ethernet Switch
PC In
Front A/V Inputs	USB	USB, mini-jack Audio
Speaker A/B
Headphone Out	6.3 mm (1/4")	6.3 mm (1/4")
Detachable Power Cord
dockport
adapterport

ZONES	Pioneer VSX-523-K	Yamaha RX-A660
Number of Zones	1	1
Zone B Video Output
RS-232C Interface
+12V Trigger Output
Remote (IR) Input/Output	0 / 0	0 / 0
Party Mode

MISCELLANEOUS	Pioneer VSX-523-K	Yamaha RX-A660
On-Screen Display	Composite Video Only	color OSD
SCENE		SCENE (4 sets)
Web Control
Multi-Zone On-Screen Display
AV Navigator
IP Control
PreAmp Mode
Versatile Speaker Configuration
FL Dimmer
Function Rename
Remote Controller	System Remote Control

RADIO	Pioneer VSX-523-K	Yamaha RX-A660
Analog Tuner	FM/AM	FM/AM with RDS
Presets	30	40
Digital Radio
Internet Radio		vTuner
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION	Pioneer VSX-523-K	Yamaha RX-A660
Front Panel	Brushed
Solid Aluminum Front
A.R.T. Wedge
Speaker Terminals	5	7
Large Speaker Terminals	2	7
Color-Coded Speaker Terminals
3D Space Frame Construction
Gold plated RCA terminals

POWER	Pioneer VSX-523-K	Yamaha RX-A660
Power Supply	AC 120 V, 60 Hz	AC 230 V, 50 Hz
Low Leakage Flux Power Transformer
Transformer Stabilizer
Power Consumption	415 W	260 W
Standby Power	0.1 W	0.1 W
ECO Mode / Hybrid Standby Function
Auto Power Standby

PHYSICAL	Pioneer VSX-523-K	Yamaha RX-A660
Dimensions (W x H x D)	435 mm x 168 mm x 331.5 mm 17-1/8" x 6-5/8" x 13-1/16"	435 mm x 161 mm x 330 mm (with antenna: 435 mm x 225.5 mm x 330 mm)
Weight	8.3 kg (18 lb 5 oz)	8.3 kg (18.3 lbs)

SPECIFICATIONS	Pioneer VSX-523-K	Yamaha RX-A660
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)	80 W (0.08% THD)
Power Output (6 Ω, 20 Hz - 20 kHz, 2 channel driven)		80 W (0.09% THD)
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)	140 W (1% THD)	115 W (0.9% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)		135 W (10% THD)
Dynamic Power per Channel (2 Ω, Front)		190 W
Dynamic Power per Channel (4 Ω, Front)		170 W
Dynamic Power per Channel (6 Ω, Front)		140 W
Damping Factor		100 (Front, 20 Hz - 20 kHz, 8 Ω)
Input Sensitivity and Impedance (Line)	200 mV/47 kΩ (Line)	200 mV/47 kΩ (1 kHz, 100 W/6 Ω)
Maximum Input Sensitivity (Line)		2.3 V (1 kHz, 0.5% THD)
Rated Headphone Jack Output Level and Impedance		100 mV/470 Ω (1 kHz, 50 mV, 8 Ω)
S/N Ratio (Line, IHF-A)	98 dB	110 dB
S/N Ratio (Line, EIA, at 1 W (1 kHz))	79 dB
Frequency Response (Analog In)		+0/-3 dB (10 Hz to 100 kHz)
Residual noise (IHF-A Network)		150 µV (Speaker Out)
Channel Separation at 1 kHz/10 kHz (LINE)		75 dB/50 dB
DSD Sampling Rates via HDMI	2.8 MHz	2.8 MHz
DSD Sampling Rates via USB		5.6 MHz, 2.8 MHz
Video Input Sensitivity/Output Level and Impedance	1 Vp-p/75 Ω (Composite)	1 Vp-p/75 Ω (Composite)
Video Maximum Input		1.5 Vp-p
Video S/N Ratio		50 dB
Ethernet Standard		10BASE-T/100BASE-TX
Wi-Fi Standard		IEEE 802.11 b/g/n
Wi-Fi Terminal Frequency		2.4 GHz
Bluetooth Version		2․1 + EDR
Bluetooth Frequency		2.4 GHz
HDMI Terminal	Type A (19-pin)
HDMI Output Type	5 V, 100 mA
USB Terminal	USB2.0 (Type A) 5 V, 1 A	USB2.0 5 V, 1 A
FM Frequency	87.5 MHz - 108 MHz	87.50 MHz - 108.00 MHz
FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)		Mono: 3 µV (20.8 dBf)
FM S/N Ratio		Mono/Stereo: 65 dB/64 dB
FM Harmonic Distortion (IHF, 1 kHz)		Mono/Stereo: 0.5%/0.6%
AM Frequency	530 kHz - 1700 kHz	531 kHz - 1611 kHz
Warranty	1 Year	3 Years

* - 480i/576i and 480p/576p only
** - 480i/576i only
*** - no 1080p/24 upconversion
**** - 1080p signal is not converted

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