Atlona AT-HDR-M2C 4K HDR Multi-Channel Audio Converter

The Atlona AT-HDR-M2C is a 4K HDR HDMI audio converter designed to downmix multi-channel digital audio to two-channel stereo or analog formats. It is ideal for installations where HDMI sources with surround sound must interface with two-channel sound systems or displays that only accept stereo audio.

This converter supports HDMI 2.0a signals up to 18 Gbps, including 4K/UHD at 60 Hz with 4:4:4 chroma and HDR formats, and is fully HDCP 2.2 compliant. The unit features HDMI input and pass-through outputs, along with analog stereo and optical TOSLINK audio outputs for maximum flexibility. Built-in EDID management and tone controls (volume, bass, and treble) can be configured via network or web interface.

The AT-HDR-M2C is compact, reliable, and built for integrators needing a professional audio de-embedding solution for conference rooms, home theaters, and commercial AV systems.

Key Features

• 4K HDR Audio Downmixing: Converts HDMI multi-channel audio to two-channel stereo or analog output.
• Full 4K HDR Compatibility: Supports up to 4K/UHD at 60 Hz (4:4:4) with HDR10 and HDCP 2.2.
• Multiple Audio Outputs: HDMI stereo, analog unbalanced stereo, and optical TOSLINK.
• Integrated Controls: Volume, bass, and treble adjustments via network or web interface.
• EDID Management: Ensures reliable communication between source and display devices.
• Compact Design: Space-saving form factor for easy integration behind displays or in racks.

Technical Specifications

• Video Format: HDMI 2.0a, HDCP 2.2 compliant
• Input: 1 HDMI Type A
• Outputs: HDMI pass-through, analog stereo (Phoenix), optical TOSLINK
• Supported Resolutions: Up to 4096x2160@60Hz, 3840x2160@60Hz, 1080p, and lower resolutions
• Color Depth: 8-bit, 10-bit, or 12-bit; 4:4:4 and 4:2:2 chroma sampling
• Video Bandwidth: 18 Gbps
• Audio Support: PCM, Dolby Digital, DTS, Dolby TrueHD, DTS-HD Master Audio
• Audio Downmix: Multi-channel to two-channel stereo
• Control Options: TCP/IP network, web interface
• Power Supply: 5 V DC external adapter (included)
• Operating Temperature: 32 F to 122 F (0 C to 50 C)
• Dimensions (W x L x H): 5.00 x 4.29 x 1.02 in (12.70 x 10.90 x 2.60 cm)
• Weight: 0.80 lb (0.36 kg)