Wyrestorm EXP-CON-4K-DD 4K/1080p HDMI scaler

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4K/1080p HDMI scaler med de-embedding och 5.1 nedmixning av ljud

UltraHD may have arrived but not everyone will be ditching their existing HD screens in favor of 4K overnight. As such, the ability to support a combination of 4K and 1080p HD displays within the same distribution is an important consideration, especially given the resolution conflicts that effect systems including screens of different capabilities.

Placed between a display and a source device, this EXP-CON-4K-DD video scaler and digital audio converter (DAC) is designed to adjust resolution and audio from an incoming HDMI source and scale output to a level compatible with display capabilities.

The EXP-CON-4K-DD represents the ideal solution to the growing challenge of how to simply and reliably accommodate both HD and 4K sources and displays within a multi-zone residential or commercial distribution.

Key Features

- In-line scaling solution for installations including 4K and HD displays without compromising source resolution

- 1080/24p to 4K/30p upscale for connection to 4K screens and 4K/30p to 1080/24p downscale to view 4K sources on an HD screen

- Dolby Digital downmixing for conversion up to 5.1ch to stereo PCM audio wherever required

NOTE: 1080i/720p content and HD audio formats such as DTS MasterHD and Dolby TrueHD not supported


The WyreStorm EXP-CON-4K-DD is an in-line audio video scaler that sits between a display receiver and screen at a display zone to automatically scale up 1080/24p HD video content to UltraHD resolutions up to 4096x2160/30p for viewing on 4K displays or scale back UHD 4K/30p transmissions to 1080/24p if that's all the display is capable of.

Furthermore, the addition of Dolby downmix to stereo PCM functionality in the EXP-CON-4K-DD means multichannel audio up to 5.1 can be distributed to zones that support and automatically scaled down to compatible stereo PCM audio without sacrificing the integrity of the transmission.
After examining source transmission and maximum resolution of the connected display, the EXP-CON-4K-DD can either pass-through audio and video signals for compatible devices, upscale HD content to UltraHD resolution for connection to the latest 4K screens or downscale UltraHD content to to 1080p for viewing on existing HD displays. Additionally, the EXP-CON-4K-DD Dolby Digital audio downmixing to stereo PCM enables video signal passthorugh and scaling functions whilst downmixing audio should the screen not support multichannel audio, with audio also extractable via the 3.5MM jack port.

Effectively, the combination of a system comprising of an WyreStorm UltraHD 4K matrix switcher with EXP-CON-4K-DD scaler at display zones not only nullifies the threat of disparity between multiple screens of different resolution capabilities whilst maintaining source resolution throughout the distribution, it also ensures that the project can grow with the needs of the client by enabling UltraHD screens to be added as and when the application demands.

NOTE: This device is not compatible with 1080i/720p content or HD audio formats such as DTS MasterHD and Dolby TrueHD


• Affordable in-line scaling solution for installations including 4K and HD displays without compromising source resolution
• 4K/30p > 1080/24p Downscale - to enable 1080p screens to view 4K sources through a 4K matrix system
• 1080/24p > 4K/30p Upscale - for connection to 4K screens
• Supports resolutions up to 4096x2160p @24/25/30Hz
• Full 3D support up to 1080p/24hz
• Downmix incoming Dolby Digital to stereo PCM audio where required through HDMI output
• Supports up to 6 channels (up to 5.1 surround) of audio encoded in Dolby Digital
• Low-latency digital filtering
• Manufactured under license from Dolby Laboratories
• Accepts uncompressed digital audio input signals
• Audio breakout for stereo audio
• Includes digital interpolation filter
• Auto-samples at frequencies of 32, 44.1 and 48KHz
• Supports audio signals up to 24bit with sampling rates up to 192KHz
• THD+N (Total harmonic distortion plus noise) rating: -93db
• Switchable input selection for video/audio scaling or signal pass-through
• Equalizes and boosts HDMI signal for longer distance transmissions
• Compact design
• LED power indication
• 1 year warranty

In the Box

1 x EXP-CON-4K-DD WyreStorm Express™ UltraHD 4K Downscaler and HD Upscaler with Dolby Digital Downmixing
1 x Instruction Manual
1 x 5v DC 1A power adapter


Dimensions (WxHxD): 65mm x 23mm x 77mm
Weight (Kg): 105 g
Operating Temperature Range: 0 to +35°C
Operating Humidity Range: 5 to 90 % RH (no condensation)
Video Amplifier Bandwidth: 10.2Gbps
Input Video Signal: 0.5 - 1.2V p-p
Input DDC Signal: 5 volts p-p (TTL)
Maximum Single Link Range: 2160/30 @ 24bit True Color - 1080/24p @ 36bit Deep Color
Transmission distance: Input - 7m/22ft (4K), 10m/33ft (1080p), Output - 7m/22ft (4K), 10m/33ft (1080p)
Audio Format Supported: Input: 5.1 Dolby Digital or 2ch Stereo PCM, Output: Passthrough or 2ch PCM with Downmix selected. NOTE: Not compatible with HD audio formats such as DTS MasterHD and Dolby TrueHD
Power Supply: 5v DC / 5W power supply (CE/FCC certified)
Power Consumption: Max 1Amp @ 5V / 5W
BTU Rating (British Thermal Unit): N/A
Rack Space Required: N/A
Input/Output: HDMI V1.4a
Input/Output Max Video Clock Speed: 300Mhz
Video Impedance: 100Ω
Max In/Out Resolution Supported: up to 4096 x 2160p @ 24/25/30Hz
Color Supported: 4K/24bit, 1080p/36bit
3D Supported: up to 1080/24p - Frame packing/sequential (Blu-ray), Interlaced stereoscopic (satellite/cable broadcasts
Scale Video Up From: 1920x1080p @ 24/25/30Hz to 3840x2160p @ 24/25/30Hz
Scale Video Down From: 4096x2160p @24/25/30Hz to 1920x1080p @24/25/30Hz
Additional: HDMI 2.0 4096 x 2160p 60Hz YCC 4:2:0 format pass through
*NOTE: This device does not support 1080i/720p content
ESD Protection: ±8 kV (Air-gap discharge) ±4 kV (Contact discharge)
Surge Protection: IEC 61000-4-4 (EFT) 40A (5/50ns) IEC 61000-4-5 (Lightning) 25A (8/20μs)
Electrical Fast Transient/Burst: Data communication cord:1 kV Power cord : 2 kV
Certification: CE, FCC, RoHS, Dolby Digital

EXP-CON-4K-DD 4K/1080p HDMI scaler