Onkyo TX-SR373 5.2-Channel A/V Receiver - TX-SR373
Model #:TX-SR373
Category :Home Theatre Receivers & Amps


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. Theres 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 Onkyos 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 whatevers 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. 

Dual Subwoofer Output

New 2nd subwoofer output allows for more bass for your favorite movies, shows and music. Both subwoofers can be run simultaneously for an effect that will really bring any sound to life

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 youre leaning over the top of the receiver. 

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. 

# Channels5.2
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-
Dolby Atmos-
32-Bit Digital Signal Processing Engine-
Dolby DecoderTrue HD
DTS DecoderDTS-HD Master Audio
ONKYO GAME Surround Modes-
VLSC for Noiseless Audio Processing-
THX Processing Mode-
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
Analog Audio IN3
Phono Input-
Digital Audio IN (OPT/COAX)1 / 1
Composite Video I/O2 / 1
Component Video I/O-
Front Panel HDMI-
Front-Panel A/V-
USB Input✓ (Front)
HDMI I/O4 / 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-OutsDual 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-
Google Cast-
Supports Onkyo Remote App-
Internet Radio Capable-
Spotify Connect Support-
Streaming Audio From PC / Network-
Hi-Res Streaming Audio Formats-
Streaming Audio From USB memory
Wireless Network-
Bluetooth✓ (Qualcomm aptX)
Integration Access
IR Input-
IR Output-
ONKYO-RI System Control-
RIHD (Remote Interactive Over HDMI)-
12V Trigger-
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-
Warranty2 YEARS
Amplifier Section
Power Outputsubtitle
All Channels155 W/Ch (6 Ohms, 1 kHz, 10% THD, 1 Channel Driven)80 W/Ch (8 Ohms, 20 Hz20 kHz, 0.08% THD, 2 Channels Driven, FTC)
Dynamic Power-
THD+N (Total Harmonic Distortion + Noise)0.06% (20 Hz20 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 Hz100 kHz / 0 dB, -3 dB (Direct Mode)
Tone Control10 dB, 100 Hz (Bass) 10 dB, 10 kHz (Treble)
Signal-to-Noise Ratio98 dB (Line, IHF-A)
Speaker Impedance6 ohms16 ohms
Input Sensitivity/Output Level and Impedance-
Video1.0 Vpp 5% / 75 Ohms (Composite)
Component Video Frequency Response-
Tuner Section
Tuning Frequency Rangesubtitle
FM87.5 MHz108 MHz
AM530 kHz1,700 kHz
FM/AM Preset Memory30 stations
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)
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)

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