Impulse 400D 4K UHD Receiver/Decoder IRD

$1,495.00$1,695.00 ea

The Impulse 400D is a powerful and cost-effective 4K UHD receiver decoder/IRD that supports MPEG-2/H.264/H.265/ AVS+/AVS2 UHD/HD/SD video decoding and major audio decoding.
With many tuner input options and multiple input/output interfaces, it can achieve the RF signal reception, program descrambling, multiplexing, downscaling and decoding output that you need.
With IP-based stream processing and management interfaces, it is ideal to support advanced content distribution, 4K decoding, content remultiplexing, digital signal turnaround and transmission via an IP based-headend system.

Safe Checkout

  • Receiver Decoder (IRD) with SDI/HDMI outputs, IP and ASI input and output
  • MPEG2, H.264 and H.265 codec, HLS
  • Five receiver module options, (DVB-S, S2, S2X), QAM, DVB-T (COFDM), ISDBT and 8VSB
  • And multiple license options, Closed Caption, Input redundancy, Multiplexing, transport stream BISS decryption, TM2 and
  • SRT Output

Additional information

Weight 7 lbs
Dimensions 23 × 15 × 4 in
Base Model

Impulse 400D 4K UHD Receiver/Decoder IRD

Choose An Option

Impulse 40210 HEVC Decoding License, Impulse 40220 UHD Decoding License (Downconversion & HDMI Output), Impulse 40310 Input Redundancy License, Imputlse 40340 TS-Level BISS Decryption License, Impulse 40350 T2MI License, Impulse 40410 SRT Input License



Advanced Video Delivery & Signal Transmission Technologies For Broadcast, Cable, Satellite, IPTV, & More Sencore is the leader in the development of high-quality signal transmission solutions for the broadcast, cable, satellite, IPTV, and professional audio/video markets. Their product line of top-rated equipment includes video delivery products, system monitoring and analysis solutions, and test and measurement equipment – all designed to support system interoperability and backed by best-in-class customer support. Sencore meets the rapidly changing needs of modern media by ensuring the efficient delivery of high-quality video from the source to the home. Sencore’s advanced video delivery and signal transmission technologies overcome the complexities to enable consistent, high-quality video distribution. Their solutions offer proven compatibility with a wide range of technologies including analog, digital, HD/SD, MPEG2, H.264, IP, 8VSB, QAM, and DVB-S/S2. Their comprehensive digital video system monitoring products ensure consistent, high-quality content delivery by providing continuous logging and monitoring of multiple signal types in both digital TV and IPTV networks. Broadcast engineers can remotely identify and resolve problems before they occur, respond to alerts and alarms, and quickly isolate the cause of outages with real-time system metrics and comparative analysis of critical measurements and system logs.


Leading Global Provider of Professional Video Delivery Solutions Wellav Technologies is committed to developing and manufacturing the best value video processing and monitoring equipment and solutions to help pay-tv operators address real business challenges in video distribution. Through innovation and cutting-edge technologies, Wellav continues to provide a full range of digital headend equipment, STBs and value-added solutions to meet the growing demands of pay-tv services such as multi-screen, IPTV/OTT and VOD. The company’s global service and support organizations are providing system integration and technical expertise to support CATV, FTTH, IPTV/OTT, Satellite/Terrestrial, Broadband/ADSL operators to deliver high-quality video programs to millions of viewers around the world.