Onkyo TX-SR373 vs Onkyo TX-SR353

GENERAL	Onkyo TX-SR373	Onkyo TX-SR353
Brand	Onkyo	Onkyo
Model	TX-SR373	TX-SR353
Type	A/V Receiver	A/V Receiver
Country	North America	North America
Release Year	2017	2016
Predecessor	Onkyo TX-SR353	Onkyo TX-SR343
Successor	Onkyo TX-SR383	Onkyo TX-SR373

AMPLIFIER	Onkyo TX-SR373	Onkyo TX-SR353
Channels	5.2	5.1
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
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
3-Stage Inverted Darlington Circuitry
PUSH-PULL Design
Independent Block Construction (Amp/Preprocessor)
Bi-amp Capability
BTL (Bridged Transless or Bridging)

AUDIO FEATURES	Onkyo TX-SR373	Onkyo TX-SR353
DAC Specs	192 kHz/24 Bit	192 kHz/24 Bit
Maximum Channel Processing	5.1	5.1
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
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
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
High Resolution Music Playback via USB and/or Network
DSD via HDMI	2-ch	2-ch
DSD via USB
DSD to PCM Converter
USB DAC
Jitter Reduction
DTS Dialogue Control
Dialog Enhancement
Dialog normalization
Dialogue Lift
Tone Control	Front L/R Channels	Front L/R Channels
Compressed Music Enhancer	Advanced Music Optimizer	Advanced Music Optimizer
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
Virtual Speakers

CALIBRATION	Onkyo TX-SR373	Onkyo TX-SR353
Auto Speaker Calibration System with Mic.	AccuEQ	AccuEQ

VIDEO FEATURES	Onkyo TX-SR373	Onkyo TX-SR353
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 (4:4:4)
Video Signal Upscaling
Analog To HDMI Upconversion
isf Certified Calibration Control

CONNECTIVITY	Onkyo TX-SR373	Onkyo TX-SR353
Wi-Fi
Bluetooth	SBC, AAC
Works with Amazon Alexa
Chromecast Built-In
Works with SonoS
DTS Play-Fi
MHL Input
DLNA 1.5
AirPlay
Apple Product Connection
Remote App
InstaPrevue Input Source Prevue

TERMINALS	Onkyo TX-SR373	Onkyo TX-SR353
HDMI Inputs	4	4
HDMI Outputs	1	1
8K Inputs
USB Input	1 (Front)	1 (Front)
USB DC Out Port
Optical Inputs	1	1
Optical Outputs
Coaxial Inputs	1	1
RCA Line Inputs	3	3
RCA Line Outputs
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	0.2	0.1
XLR Pre-outs
Composite Video Inputs	2	2
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
Speaker A/B
Headphone Out	6.3 mm (1/4")	6.3 mm (1/4")
Detachable Power Cord
uport

ZONES	Onkyo TX-SR373	Onkyo TX-SR353
Number of Zones	1	1
Whole House Mode
RS-232C Interface
+12V Trigger Output	0	0
Remote (IR) Input/Output	0 / 0	0 / 0

MISCELLANEOUS	Onkyo TX-SR373	Onkyo TX-SR353
On-Screen Display	via HDMI
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	Onkyo TX-SR353
Analog Tuner	FM/AM	FM/AM
Presets	30	30
Digital Radio
Internet Radio
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION	Onkyo TX-SR373	Onkyo TX-SR353
Solid Aluminum Front
Speaker Terminals	5	5
Large Speaker Terminals	2	2
Color-Coded Speaker Terminals
Transparent High-Grade Speaker Terminals
Gold plated RCA terminals

POWER	Onkyo TX-SR373	Onkyo TX-SR353
Power Supply	AC 120 V, 60 Hz	AC 120 V, 60 Hz
Independent Power Supply
H.C.P.S. (High Current Power Supply)
Toroidal Transformer
Power Consumption	210 W	210 W
Standby Power	0.35 W	0.45 W

PHYSICAL	Onkyo TX-SR373	Onkyo TX-SR353
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 168 mm x 326.5 mm 17-1/8" x 6-5/8" x 12-7/8"
Weight	8.0 kg (17 lb 10 oz)	8.0 kg (17 lb 10 oz)

SPECIFICATIONS	Onkyo TX-SR373	Onkyo TX-SR353
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)	80 W (0.08% THD)	80 W (0.08% THD)
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)		140 W (1.0% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)	155 W (10% THD)
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)	140 W (1% THD)
THD	0.06% (20 Hz - 20 kHz, 1 Channel Driven, 50 W)	0.06% (20 Hz - 20 kHz, 8 Ω, 1 Channel Driven, 50 W)
Input Sensitivity and Impedance (Line)	200 mV/47 kΩ	200 mV/47 kΩ
S/N Ratio (Line, IHF-A)	106 dB	98 dB
Frequency Response (Analog In)	5 Hz - 100 kHz/0 dB, -3 dB (Direct)	5 Hz - 100 kHz/0 dB, -3 dB (Direct mode)
DSD Sampling Rates via HDMI	2.8 MHz	2.8 MHz
Video Input Sensitivity/Output Level and Impedance	1 Vp-p/75 Ω (Composite)	1 Vp-p/75 Ω (Composite)
Bluetooth Version	3.0
Bluetooth Frequency	2.4 GHz
HDMI Terminal	Type A (19-pin)
HDMI Output Type	5 V, 55 mA
USB Terminal	5 V, 0.5 A
FM Frequency	87.5 MHz - 107.9 MHz	87.5 MHz - 108.0 MHz
AM Frequency	530 kHz - 1700 kHz	530 kHz - 1700 kHz
Warranty	2 Years	2 Years

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

For a full review please go to the review page: