WyreStorm Express™ EXP-CON 4K Downscaler and HD Upscaler with Dolby D Downmixing

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  • $119

WyreStorm Express™ UltraHD 4K Downscaler and HD Upscaler with Dolby Digital Downmixing

Part Number EXP-CON-4K-DD

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


  • 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 


65mm/2.55” x 23mm/0.9” x 77mm/3.03”
105g / 0.23Ibs
0 to +35°C (32 to +95°F)
5 to 90 % RH (no condensation)
0.5 - 1.2V p-p
5 volts p-p (TTL)
2160/30 @ 24bit True Color - 1080/24p @ 36bit Deep Color
Input - 7m/22ft (4K), 10m/33ft (1080p), Output - 7m/22ft (4K), 10m/33ft (1080p)
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
5v DC / 5W power supply (CE/FCC certified)
Max 1Amp @ 5V / 5W

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

Retail :$159.00
Buy It Now :$119.00

Please email or call if you have any questions

Store Phone 800-826-0520



  • Free shipping to lower 48 states only. AK HI PR and international buyers please contact us for accurate shipping rates.
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  • Returns

  • Defective items will be exchanged within 14 days from delivery. After 14 days, please contact the manufacturer. 
  • Defective item returns must be in the manufacturer's original packaging, in like new condition, including all packaging material, shipped double boxed and fully insured 
  • Item is guaranteed to be as described. If a refund is desired, we will refund your full purchase minus a 15% restocking fee.  The item must be as-sold, unopened, and in a re-sellable condition. Return shipping costs to seller will be the buyer's responsibility. Please contact us with any questions in advance.