Onkyo TX-SR373 vs Pioneer SC-LX502

GENERAL	Onkyo TX-SR373	Pioneer SC-LX502
Brand	Onkyo	Pioneer
Series		Elite
Model	TX-SR373	SC-LX502
Type	A/V Receiver	A/V Receiver
Country	Europe	Australia
Release Year	2017	2017
Predecessor	Onkyo TX-SR353	Pioneer SC-LX501
Successor	Onkyo TX-SR383	Pioneer VSX-LX503

AMPLIFIER	Onkyo TX-SR373	Pioneer SC-LX502
Channels	5.1	7.2
Power Output	80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)	120 W (8 Ω, 1 kHz, 2 channel driven)
Front Wide Channel Support
Amplifier Design		Class D3 (Direct Energy HD)
Dynamic Audio Amplification
Non-Phase Shift Amplifier
VLSC (Vector Linear Shaping Circuitry)
Optimum Gain Volume Circuitry
THX™ Certification
Continuous 6 Ω Rated
Certified 4 Ω Performance
Discrete Output Stage Circuitry
Independent Block Construction (Amp/Preprocessor)
Bi-amp Capability
BTL (Bridged Transless or Bridging)

AUDIO FEATURES	Onkyo TX-SR373	Pioneer SC-LX502
Digital Signal Processing (DSP) Engine		Digital Core Engine with Cirrus Logic (Quad Core) x1
DAC		AKM AK4458
DAC Specs	192 kHz/24 Bit	768 kHz/32 Bit
Maximum Channel Processing	5.1	7.1
Air Studios Monitor Certification
Dolby Atmos
Dolby Atmos Height Virtualization
Dolby Atmos Music
Dolby TrueHD
Dolby Digital Plus
Dolby Surround Upmixer
Dolby Pro Logic	PLII
Dolby Digital EX
THX Listening Modes
Surround EX
DTS:X
DTS Neural:X
DTS Virtual:X
DTS Neo	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
Music Playback via USB	WMA, MP3, AAC	MP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD, Dolby TrueHD
High Resolution Music Playback via USB and/or Network		64, 88.2, 96, 176.4, 192 kHz/24 bit
High Resolution Audio Formats via USB		Apple Lossless, WAV, FLAC, AIFF, AAC, DSD, Dolby TrueHD
Gapless Playback
DSD via HDMI	2-ch	2-ch/Multi-ch Input
DSD via USB		2-ch Input
DSD to PCM Converter
USB DAC
Jitter Reduction
DTS Dialogue Control
Dialog Enhancement
Dialog normalization
Dialogue Lift
Sound Retriever		Advanced
Sound Retriever AIR
Digital noise Reduction
Tone Control	Front L/R Channels	All Channels
Compressed Music Enhancer	Advanced Music Optimizer	Advanced Sound Retriever
High-resolution Music Enhancer
THX Processing Mode
Audyssey Dynamic EQ
Audyssey Dynamic Volume
Audyssey LFC
Audyssey Sub EQ HT
Audyssey DSX
Phase-Matching Bass Boost
Direct Mode
Pure Audio Mode
Pure Direct Analog Path Mode
Pure Direct Mode
Auto Surround
Optimum Surround
Wide Surround
Front Stage Surround Advance
Headphone Surround
Virtual Speakers
Virtual Depth
Independent Subwoofer Outputs

CALIBRATION	Onkyo TX-SR373	Pioneer SC-LX502
Auto Speaker Calibration System with Mic.	AccuEQ	MCACC
Manual MCACC
MCACC Memory		1
Reflex Optimizer
Phase Control
Auto Phase Control Plus
Full Band Phase Control
Standing Wave Control
EQ Bands		9-Band
Symmetric EQ
Distance Adjustment		0.1 feet
Precision Distance
Polarity Check
Auto Subwoofer Crossover

VIDEO FEATURES	Onkyo TX-SR373	Pioneer SC-LX502
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/60p (4:4:4)	up to 4K/60p (YCbCr 4:4:4)
Video Signal Upscaling		1080p to 4K
Analog To HDMI Upconversion		Component**, Composite
Component Video Upscaling
Analog to Analog Video conversion
Component Video Maximum Resolution		480i/576i
Stream Smoother
Pure Cinema
Video Parameter Adjustments
Super Resolution
isf Certified Calibration Control

CONNECTIVITY	Onkyo TX-SR373	Pioneer SC-LX502
Wi-Fi
Bluetooth	SBC, AAC	SBC, AAC
Works with Amazon Alexa
Chromecast Built-In
Works with SonoS
DTS Play-Fi
MHL Input
DLNA 1.5
AirPlay		AirPlay
Apple Product Connection		Made for iPhone, iPod and iPad (Airplay only)
Remote App		Pioneer Remote App
InstaPrevue Input Source Prevue

TERMINALS	Onkyo TX-SR373	Pioneer SC-LX502
HDMI Inputs	4	7 (1 front)
HDMI Outputs	1	2 (1 MAIN, 1 SUB/ZONE 2)
8K Inputs
USB Input	1 (Front)	1 Front
USB DC Out Port
Optical Inputs	1	2
Optical Outputs
Coaxial Inputs	1	1
RCA Line Inputs	3	4
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	2
Composite Video Outputs	1
S-Video Inputs
S-Video Outputs
Component Video Inputs		1
Component Video Outputs
Ethernet
Ethernet Switch
PC In
Front A/V Inputs	USB	HDMI, USB
Speaker A/B
Headphone Out	6.3 mm (1/4")	6.3 mm (1/4")
Detachable Power Cord
uport
adapterport

ZONES	Onkyo TX-SR373	Pioneer SC-LX502
Number of Zones	1	2
Powered Zones		2
Zone 2 Outs		HDMI, RCA Pre/Line Out
Whole House Mode
RS-232C Interface
+12V Trigger Output	0	2 (A: 100 mA, B: 25 mA)
Remote (IR) Input/Output	0 / 0	1 / 1

MISCELLANEOUS	Onkyo TX-SR373	Pioneer SC-LX502
On-Screen Display	via HDMI
GUI Languages		9
AV Navigator
IP Control
PreAmp Mode
Versatile Speaker Configuration		FRONT, CENTER, SURROUND, SURROUND BACK/ZONE 2/ Bi-AMP, HEIGHT/SP B
FL Dimmer
Function Rename
Remote Controller		User-Friendly Simple Remote Control
ONKYO-RI System Control
RIHD (Remote Interactive Over HDMI)
Pre-Pro/Learning Remote	/
On Screen Remote Programming
Bi-directional Remote Setup via GUI

RADIO	Onkyo TX-SR373	Pioneer SC-LX502
Analog Tuner	FM/AM with RDS	FM/AM with RDS
Presets	30	40
Digital Radio
Internet Radio		TuneIn
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION	Onkyo TX-SR373	Pioneer SC-LX502
Front Panel		Brushed
Solid Aluminum Front
Speaker Terminals	5	9
Large Speaker Terminals	2	9
Color-Coded Speaker Terminals
Transparent High-Grade Speaker Terminals
3D Space Frame Construction
Gold plated RCA terminals

POWER	Onkyo TX-SR373	Pioneer SC-LX502
Power Supply	AC 220-240 V, 50/60 Hz	AC 220-230 V, 50/60 Hz
Independent Power Supply
H.C.P.S. (High Current Power Supply)
Toroidal Transformer
Low Leakage Flux Power Transformer
Transformer Stabilizer
Power Consumption	220 W	250 W
Standby Power	0.3 W	0.1 W

PHYSICAL	Onkyo TX-SR373	Pioneer SC-LX502
Dimensions (W x H x D)	435 mm x 168 mm x 326.5 mm 17-1/8" x 6-5/8" x 12-13/16"	435 mm x 185 mm x 395 mm 17-1/8" x 7-5/16" x 15-9/16"
Weight	8.0 kg (17 lb 10 oz)	12.1 kg (26.7 lbs)

SPECIFICATIONS	Onkyo TX-SR373	Pioneer SC-LX502
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)	100 W (0.09% THD)
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)		180 W (1% THD)
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)	135 W (1% THD)
Rated Power Output (4 Ω, 1 kHz, 1 channel Driven)		220 W (1% THD)
Maximum Power Output (4 Ω, 1 kHz, 1 channel Driven)		300 W (10% THD)
Multi Channel Simultaneous Drive		560 W (8 Ω, 1 kHz, 1.0%)
THD	0.06% (20 Hz - 20 kHz, 1 Channel Driven, 50 W)	0.05% (1 kHz, 100 W)
Input Sensitivity and Impedance (Line)	200 mV/47 kΩ	200 mV/82 kΩ
Input Sensitivity and Impedance (Phono MM)		3.5 mV/47 kΩ
Rated Headphone Jack Output Level and Impedance		43 Ω
Rated Headphone Power Output		55 mW (32 Ω, 1 kHz, 10% THD)
Phono Overload		70 mV (MM, 1 kHz 0.5%)
S/N Ratio (Line, IHF-A)	106 dB	105 dB
S/N Ratio (Phono MM, IHF-A)		80 dB
Frequency Response (Analog In)	5 Hz - 100 kHz/0 dB, -3 dB (Direct)	5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio)
DSD Sampling Rates via HDMI	2.8 MHz	2.8 MHz
DSD Sampling Rates via USB		11.2 MHz, 5.6 MHz, 2.8 MHz
Video Input Sensitivity/Output Level and Impedance	1 Vp-p/75 Ω (Composite)	1 Vp-p/75 Ω (Component Y) 0.7 Vp-p/75 Ω (Component B/R) 1 Vp-p/75 Ω (Composite)
Ethernet Standard		10BASE-T/100BASE-TX
Wi-Fi Standard		IEEE 802.11 a/b/g/n
Wi-Fi Terminal Frequency		5 GHz, 2.4 GHz
Bluetooth Version	3.0	4․1 + LE
Bluetooth Frequency	2.4 GHz	2.4 GHz
HDMI Terminal	Type A (19-pin)
HDMI Output Type	5 V, 55 mA
USB Terminal	5 V, 0.5 A	Ver. 2.0, 5 V, 1 A
FM Frequency	87.5 MHz - 108.0 MHz	87.5 MHz - 108.0 MHz
AM Frequency	530 kHz - 1700 kHz	522/530 kHz - 1611/1710 kHz
Warranty	2 Years	3 Years Parts & Labor

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

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