Onkyo TX-SR373 5.1Channel AVReceiver

Onkyo TX-SR373 5.1-Channel AV Receiver

The Onkyo TX-SR373 is a powerful 5.1-channel AV receiver delivering immersive home cinema sound with advanced features such as Dolby® TrueHD, DTS-HD Master Audio™, Bluetooth® wireless streaming, and precise room calibration.

Key Features

• Dolby® TrueHD and DTS-HD Master Audio™ lossless decoding
• 4 HDMI® inputs and 1 output with HDCP 2.2 and HDR support
• Discrete high-current amplifier circuits for dynamic sound
• AccuEQ room acoustic calibration for balanced audio
• Bluetooth® wireless technology for easy music streaming
• USB input for MP3, WMA, and AAC playback
• Audio Return Channel (ARC) for TV broadcast amplification
• Easy-to-use connection guide with clearly labelled rear panel

Product Overview

The TX-SR373 supports studio-quality movie soundtracks with Dolby® TrueHD and DTS-HD Master Audio™ for Blu-ray Disc™ formats. Its HDMI® terminals support 4K/60 Hz, HDR, BT.2020, and HDCP 2.2, ensuring compatibility with modern displays. The discrete analog amplifier circuits deliver controlled power for music, movies, gaming, and TV programmes.

AccuEQ room acoustic calibration automatically adjusts speaker distance, output, crossover, and equalisation to suit your listening environment, reducing distortion caused by room acoustics. Bluetooth® wireless streaming lets you play music effortlessly from your mobile device or laptop, enhanced by Onkyo’s Advanced Music Optimizer for improved sound quality.

Connect USB memory devices loaded with MP3, WMA, or AAC files for clear, powerful music playback. The receiver also features a user-friendly connection guide with upside-down readable diagrams to simplify setup.

Specifications

Amplifier Section
Power Output (Front L/R / Center / Surround L/R)	135 W/Ch (6 Ω, 1 kHz, 1% THD, 1 Channel Driven)
THD+N (Total Harmonic Distortion + Noise)	0.06% (20 Hz–20 kHz, 8 Ω, 1 Channel Driven, 50 W)
Input Sensitivity and Impedance	200 mV / 47 kΩ (Line)
Frequency Response	5 Hz–100 kHz / 0 dB, -3 dB (Direct Mode)
Tone Control	±10 dB, 100 Hz (Bass); ±10 dB, 10 kHz (Treble)
Signal-to-Noise Ratio	106 dB (Line, IHF-A Network, 1 kΩ Shorted)
Speaker Impedance	6 Ω–16 Ω
Video Section
Video Input Sensitivity/Output Level and Impedance	1.0 Vp–p ±5% / 75 Ω (Composite)
Tuner Section
Tuning Frequency Range	FM: 87.5 MHz–107.9 MHz AM: 530 kHz–1,700 kHz
FM/AM Preset Memory	30 Stations
General
Power Consumption	210 W
Standby Power Consumption	0.3 W
Dimensions (W x H x D)	435 x 168 x 326.5 mm
Weight	8.0 kg
Carton
Dimensions (W x H x D)	522 x 247 x 430 mm
Weight	9.5 kg