AMPLIFIER
Onkyo TX-SR373
Onkyo TX-SR353
Channels 5.1 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 PLIIDolby Digital EX THX Listening Modes DTS:X DTS Neural:X DTS Virtual:X DTS Neo Neo:6DTS-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 InputMusic Playback via USB WMA, MP3, AAC High Resolution Music Playback via USB and/or Network DSD via HDMI 2-ch 2-chDSD 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 ChannelsCompressed Music Enhancer Advanced Music Optimizer Advanced Music OptimizerHigh-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, AACWorks 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 0.1 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 HDMIONKYO-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 with RDS FM/AMPresets 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 220-240 V, 50/60 Hz AC 120 V, 60 Hz Independent Power Supply H.C.P.S. (High Current Power Supply) Toroidal Transformer Power Consumption 220 W 210 W Standby Power 0.3 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) 100 W (0.09% THD) 80 W (0.08% THD) Power Output (6 Ω, 1 kHz, 1 channel driven, FTC) 140 W (1.0% THD) Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC) 135 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 - 108.0 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:
Review