Onkyo TX-SR3100 – 5.2-Channel AV Receiver

Essential Home Theater Performance with HDMI 2.1, Dolby Atmos Height Virtualization & Powerful Discrete Amplification

• 5.2-channel discrete amplifier delivering clear, dynamic and impactful sound
• HDMI 2.1 compatibility with support for 8K/60 and 4K/120 passthrough
• Dolby Atmos Height Virtualizer and DTS Virtual:X for immersive 3D sound without height speakers
• HDR10+, Dolby Vision and HLG support for modern high-contrast video formats
• AccuEQ room calibration optimizing speakers for your listening space
• Dual subwoofer outputs for balanced low-frequency performance
• Bluetooth streaming for wireless music playback

The Onkyo TX-SR3100 is a versatile entry-level AV receiver designed to bring immersive home cinema sound to living rooms, gaming setups and family entertainment spaces. With its 5.2-channel discrete amplifier, the TX-SR3100 delivers clean, dynamic audio that brings movies, music and games to life with impressive clarity and punch.

Even without physical height speakers, Dolby Atmos Height Virtualizer and DTS Virtual:X create a spacious, three-dimensional soundfield that enhances immersion and expands the listening experience. Dialogues remain crisp and natural, bass becomes more impactful, and sound effects gain a greater sense of movement and depth.

HDMI 2.1 support ensures compatibility with the latest gaming consoles and 4K/8K video sources. Smooth motion, high dynamic range and wide color formats are reproduced accurately, preserving the full quality of modern content. Gamers benefit from features such as Variable Refresh Rate and Auto Low Latency Mode (when supported by source and display).

Onkyo’s AccuEQ room calibration tailors the sound to your specific environment, improving tonal balance, imaging and bass performance. Dual subwoofer outputs provide smoother low-frequency distribution across the room, enhancing movie impact and musical depth.

Bluetooth connectivity makes it easy to enjoy playlists, podcasts or streaming services from your smartphone. With simple setup, intuitive controls and a robust amplifier stage, the TX-SR3100 is an ideal choice for users building an affordable yet capable home theater system.

📐 Technical Specifications – Onkyo TX-SR3100

• Amplifier Channels: 5.2
• Power Output: High-current discrete amplification
• Audio Formats: Dolby Atmos Height Virtualizer, DTS Virtual:X
• Video Support: HDMI 2.1, 8K/60, 4K/120, HDR10+, HLG, Dolby Vision
• HDMI Inputs/Outputs: Multiple HDMI inputs, HDMI output with eARC
• Room Calibration: AccuEQ with speaker measurement
• Subwoofer Outputs: 2 × mono LFE outputs
• Streaming: Bluetooth built-in
• Inputs: Optical, coaxial and analog audio inputs
• Dimensions: Standard compact AV receiver chassis
• Weight: Solid build suitable for rack or shelf placement

🎯 Ideal Use Cases

• Entry-level surround sound systems in living rooms or media spaces
• Small to mid-sized home theaters requiring affordable 5.2 performance
• Gaming setups leveraging 4K/120 and HDMI 2.1 features
• Users wanting virtualized Atmos effects without installing ceiling speakers
• Music and movie playback with dual-subwoofer enhancement

The Onkyo TX-SR3100 delivers impressive home theater performance with modern HDMI features, immersive virtual surround technologies and reliable Onkyo amplification — an excellent foundation for a first-class 5.2 entertainment system.