TX-SR373 5.2-Channel A/V Receiver
 

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Perfect Movie Soundtracks at Studio Resolution

The TX-SR373 decodes Dolby® TrueHD and DTS-HD Master Audio, the most popular lossless multichannel soundtrack formats common to Blu-ray Disc. Experience authentic movie sound as the director intended.



HDMI® Connects You to the Future

Connect your players with just one cable linking to the TV for clean AV unit installation. HDMI terminals pass the latest video formats to your display, including those supporting 4K/60 Hz, HDR, BT.2020, and HDCP 2.2. There’s also an Audio Return Channel (ARC) for amplifying TV broadcasts.




Add Thrills to Music, Movies, Gaming, and TV Programs

Discrete analog amps (not an all-in-one integrated circuit) deliver high instantaneous current to the speakers for dynamic audio reproduction. Controlled power is the cornerstone of Onkyo’s amplification philosophy.

This gives the TX-SR373 155 W/Ch (6 Ohms, 1 kHz, 10% THD, 1 Channel Driven) 80 W/Ch (8 Ohms, 20 Hz–20 kHz, 0.08% THD, 2 Channels Driven, FTC).



Enjoy Music via USB Input

Connect a compatible USB memory device filled with MP3, WMA, or AAC audio files to enjoy clear and powerful reproduction of your music. Quality D/A conversion and a selection of DSP listening programs further enhance sound to suit different kinds of music.



Bluetooth® Wireless Technology Featuring Qualcomm® aptX audio

Bluetooth® wireless technology mirrors whatever’s playing on your mobile device, laptop, or PC on the home theater. Devices* supporting Qualcomm® aptX codec deliver virtually lossless low-latency playback, while original Advanced Music Optimizer mode enriches any compressed audio for a more satisfying musical experience.

*Streaming device not included



Easy Connection Guide Simplifies Setup

Connections to speakers and external devices are clearly labeled and illustrated on the rear panel—the connection diagram is readable upside down to make things easy when you’re leaning over the top of the receiver.

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Room Calibration Made Easy

AccuEQ measures and corrects speaker distances, output levels, crossover frequencies, and frequency response from one quick and easy listening position to ensure clear and balanced surround-sound.

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Copyright 2017 Onkyo USA Corporation. All rights reserved. Onkyo features and specifications subject to change without notice. Availability of Internet and third party services depends on region. Some services may require a paid subscription and firmware update.Availability of third-party services advertised here is accurate at the time of publication, but may be subject to change without notice.

Amplifier
# Channels 5.2
Power Watts/Ch (6 Ohms 1kHz, 1 Channel Driven, FTC) 155 Watts, 10% THD
Power Watts/Ch (8 Ohms 20-20kHz, 2 Channels Driven, FTC) 80 Watts, 0.08% THD
Dynamic Audio Amplification -
H.C.P.S. (High Current Power Supply) -
Non-Phase Shift Amplifier -
THX Certified -
Continuous 6 Ohms Rated -
Certified 4 Ohms Performance -
Discrete Output Stage Circuitry
Amplifier Design -
Independent Block Construction (Amp/Preprocessor) -
Bi-amp Capability For Front -
Processing
Dolby Atmos -
32-Bit Digital Signal Processing Engine -
Dolby Decoder True HD
DTS:X -
DTS Decoder DTS-HD Master Audio
ONKYO GAME Surround Modes -
VLSC for Noiseless Audio Processing -
THX Processing Mode -
CinemaFILTER -
AccuEQ Room Calibration
Phase-Matching Bass Boost -
Direct/Pure Mode ✓ / -
Pure Direct Analog Path Mode -
Advanced Music Optimizer
384K/32 Bit DACs -
192K/24 Bit DACs
Connectivity
Analog Audio IN 3
Phono Input -
Digital Audio IN (OPT/COAX) 1 / 1
Composite Video I/O 2 / 1
Component Video I/O -
Front Panel HDMI -
Front-Panel A/V -
USB Input ✓ (Front)
HDMI I/O 4 / 1
HDMI 4K/60 Hz- Capable HDMI Terminals
HDCP 2.2 Copy-Protection Compatibility
HDMI Support for High Dynamic Range
HDMI Support for 3D, Audio Return Channel and CEC
BT.2020 Support
HDMI Support for Deep Color, x.v.Color, LipSync
HDMI Support for DVD-Audio, SACD, Multichannel PCM
Analog To HDMI Upconversion -
1080p to 4K Upscaling -
4K Passthrough
Analog Pre-Outs Dual Subwoofer
Speaker A/+B -
Powered Zone 2 -
Powered Zone 3 -
Zone 2 Line Out -
Zone 2 Video Out -
Zone 2 Digital to Analog Audio Conversion -
Zone 3 Line Out -
Whole House Mode -
FireConnect Multi-room Audio -
Airplay -
Google Cast -
Supports Onkyo Remote App -
Internet Radio Capable -
Spotify Connect Support -
Tidal -
Streaming Audio From PC / Network -
Hi-Res Streaming Audio Formats -
Streaming Audio From USB memory
Wireless Network -
Bluetooth ✓ (Qualcomm aptX)
Integration Access
RS-232 -
IR Input -
IR Output -
Ethernet -
ONKYO-RI System Control -
RIHD (Remote Interactive Over HDMI) -
12V Trigger -
Miscellaneous
Pre-Pro/Learning Remote - / -
On Screen Remote Programming -
Hybrid Standby Function -
Smart Grid-Ready -
Auto Speaker Calibration W/Mic. AccuEQ
OSD Out -
Solid Aluminum Front -
Transparent High-Grade Speaker Terminals -
Detachable AC Cord -
Warranty 2 YEARS
Amplifier Section
Power Output
All Channels155 W/Ch (6 Ohms, 1 kHz, 10% THD, 1 Channel Driven)
80 W/Ch (8 Ohms, 20 Hz–20 kHz, 0.08% THD, 2 Channels Driven, FTC)
Dynamic Power-
THD+N (Total Harmonic Distortion + Noise)0.06% (20 Hz–20 kHz, 8 Ohms, 1 Channel Driven, 50 W)
Damping Factor-
Input Sensitivity and Impedance200 mV / 47k Ohms (Line)
Rated RCA Output Level and Impedance-
Maximum RCA Output Level and Impedance-
Phono Overload-
Frequency Response5 Hz–100 kHz / 0 dB, -3 dB (Direct Mode)
Tone Control±10 dB, 100 Hz (Bass)
±10 dB, 10 kHz (Treble)
Signal-to-Noise Ratio98 dB (Line, IHF-A)
Speaker Impedance6 ohms–16 ohms
Video Section
Input Sensitivity/Output Level and Impedance-
Video1.0 Vp–p ±5% / 75 Ohms (Composite)
Component Video Frequency Response-
Tuner Section
Tuning Frequency Range
FM87.5 MHz–108 MHz
AM530 kHz–1,700 kHz
FM/AM Preset Memory30 stations
General
Power SupplyAC 120 V~, 60 Hz
Power Consumption210 W
No-Sound Power Consumption-
Standby Power Consumption0.35 W
Dimensions (W x H x D)17 1/8" x 6 5/8" x 12 7/8" (435 x 168 x 326.5 mm)
Weight17.6 lbs (8.0 kg)
Carton
Dimensions (W x H x D)20 9/16" x 9 3/4" x 16 15/16" (522 x 247 x 430 mm)
Weight20.5 lbs. (9.3 kg)
UPC Code
(B)889951000976

Purchase the TX-SR373

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