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Onkyo TX-SR393 - 5.2 Channel Dolby Atmos Home Theatre Amplifier Experience immersive Dolby Atmos® and DTS:X® surround sound with the Onkyo TX-SR393. This 5.2 channel A/V receiver delivers powerful, high-current amplification and supports 4K/60p HDR video passthrough, making it perfect for a premium home theatre setup. Key Features Dolby Atmos Height Virtualizer for virtual 3D surround sound* Spatial sound enhanced with DTS Virtual:X® Supports 4K/60p and HDR formats including HDR10, HLG, Dolby Vision®, BT.2020 155 watts per channel (6 Ω, 1 kHz, 10% THD) AccuEQ Room Acoustic Calibration with AccuReflex™ Discrete high-current analog amplifier with 4-ohm drive capability Bluetooth® wireless streaming with Advanced Music Optimizer™ Vocal Enhancer for clear dialogue Zone B line-out for sharing audio to secondary components On-screen display (OSD) window shows media format data Specifications Amplifier Power: 155 W per channel (6 Ω, 1 kHz, 10% THD, 1 channel driven), 135 W per channel (6 Ω, 1 kHz, 1% THD, IEC) High-output low-noise power transformer Discrete high-power output transistors HDMI: 4 inputs, 1 output with ARC (Audio Return Channel) Digital Audio Inputs: 1 optical, 1 coaxial (assignable) Analog Audio Inputs: 3 (assignable) Zone B line-out (RCA analog) Subwoofer Pre-outs: 2 Speaker Terminals: Screw-type x 2 (Front L/R), Lever-type x 3 Rear USB power supply terminal (5 V/1 A) for media streaming devices Headphone Output: 6.35 mm (front) AccuEQ Setup Microphone Input: 3.5 mm (front) Supports HDCP 2.2, 4K/60p, HDR10, HLG, Dolby Vision®, BT.2020, 4:4:4 colour space, 3D video, DeepColour™, x.v.Colour™ Audio Decoding: Dolby Atmos®, DTS:X®, Dolby TrueHD, DTS-HD Master Audio™ SACD Playback via HDMI (2.8 MHz/2ch, multi-channel) Dolby Surround® and DTS Neural:X® upmixing 384 kHz/32-bit AKM multichannel DAC Direct Mode for source-authentic stereo sound AM/FM tuner with 40 random presets Sleep timer and simple remote control included Advanced Features AccuEQ Room Acoustic Calibration with Subwoofer EQ and AccuReflex™ for optimised 3D audio reproduction DSP-controlled Vocal Enhancer to improve dialogue clarity Bluetooth® wireless technology for high-quality audio streaming Advanced Music Optimizer™ enhances compressed audio playback GUI with OSD via HDMI for easy confirmation of playback settings 1080p Full HD to 4K Ultra HD upscaling over HDMI Quick Connection Guide on rear panel for easy setup A/V sync control up to 500 ms in 5 ms steps Direct Power On function via remote or front panel HDMI passthrough in standby mode Tone controls for Front L/R channels (bass/treble) 3-mode front-panel display dimmer (Normal/Dim/Dimmer) Immersive Dolby Atmos® and DTS:X® Sound The TX-SR393 delivers object-based audio mixed in 3D space, allowing sounds to move freely around you for a truly immersive experience. Dolby Surround® and DTS Neural:X® upmix legacy stereo or multichannel soundtracks to create vertical and overhead dimensionality. Dolby Atmos Height Virtualizer* Engage the Dolby Atmos Height Virtualizer to create virtual surround and height effects from traditional speaker layouts without additional height or surround speakers. Spatial Sound with DTS Virtual:X® DTS Virtual:X® creates an immersive 3D soundfield from any speaker setup, including 2.1, 3.1, and 5.1 configurations, without requiring height or surround speakers. It uses advanced DSP algorithms to place you at the centre of a multidimensional soundfield. Ready for 4K HDR Entertainment Enjoy full support for 4K/60p and HDR video formats including HDR10, HLG, Dolby Vision®, and BT.2020. All HDMI inputs and ARC output pass video seamlessly to your compatible TV, unlocking the full potential of the latest films and games. Powerful Amplification for Realistic Sound The TX-SR393’s high-output transformer, large capacitors, and discrete amps deliver superior current for better speaker control, fast transient response, wide dynamic range, and clear, accurate sound. AccuEQ Room Acoustic Calibration with AccuReflex™ AccuEQ automatically detects speaker presence, size, and distance, optimising sound pressure levels and subwoofer crossover. AccuReflex corrects phase shifts for precise object-based audio reproduction, enhancing 3D sound with vertical movement and overhead effects. Clear Dialogue with Vocal Enhancer Improve voice audibility instantly with the DSP-controlled Vocal Enhancer, adjustable via remote or front panel controls. Zone B Line-Out for Multi-Room Audio Share audio sources to a secondary component with an analog RCA input, such as a wireless headphone dock or hi-fi system, allowing you to enjoy your entertainment in another room or privately. Easy Setup and Connectivity Labelled ports and a speaker connection diagram simplify installation. Connect your TV with a single HDMI cable for a clean setup. Bluetooth® Wireless Streaming Stream high-quality audio effortlessly from your phone, tablet, or PC. The receiver remembers paired devices and starts playback automatically when a Bluetooth audio stream is detected. Advanced Music Optimizer™ Enhance compressed audio files like MP3s by reconstructing lost high-frequency data, improving playback quality for Bluetooth and other sources. USB Power for Streaming Devices A rear USB port supplies power to media streaming sticks connected to HDMI inputs, reducing the need for extra power outlets. * Dolby Atmos Height Virtualizer feature will be enabled via a future firmware update.