Teradek Spark 4K Tx

Teradek Spark 4K TX
Manufacturer: Teradek
Availability: In stock
Manufacturer: Teradek

Teradek Spark 4K Tx

Built on award-winning tech. Built for reliability. Built with your A/V needs in mind.

Spark 4K TX is a wireless transmitter that sends video signals up to 4Kp30 via HDMI, at a distance of up to 500 ft line-of-sight, with less than 1ms of delay.* Transport your 4K HDR video from source to screen with no perceivable delay.

Unleash high-quality, zero-delay wireless A/V transmission for conferences, live events, worship services, sports, and more.

Key features include dual-powering options for backup battery redundancy, lightweight design, signal status and pairing with the Launchpad desktop and mobile app, and multicast transmission. 

Zero-Delay Signal Integrity
Transmit video with less than 1ms of delay.

Get wireless coverage for up to 500 feet of range. Now, your computers, cameras, switchers, and gimbals are all within range with robust wireless connectivity.

4K HDR Color
Maintain premium video quality at 10-Bit 4:2:2 color sampling.

Smart Transmission
Transmit in crowded areas with confidence. Spark 4K uses the 5GHz frequency for less sensitivity to line-of-sight obstructions, and smart frequency hopping to automatically find a clear channel.

Lighter than lightweight
Spark TX weighs just 5.6oz, perfect for on-the-move camera work.

Video Processing
Visually Lossless

Audio Processing
48kHz 24-bit PCM

TX Internal Battery Life
Up to 2 hours.

Transmitter tested at 125 mins when transmitting at 1080i59, 104 mins when transmitting at 4Kp30.



Video Inputs

  • 1x HDMI 1.4b Type-A receptacle

Color Sampling
  • RGB 4:2:2, 10-bit

Delay Tx To Rx
  • <0.001sec (without format conversions)

Supported Resolutions 

Supported Resolutions
  • 4Kp23.98/24/25/29.97/30 1080p23.98/24/25/29.97/30/50/59.94/60 1080i50/59.94/60 720p50/59.94/60 480p50 576p59.94/60

Video Processing 

Video Compression
  • Visually lossless

Audio Processing 

Audio Compression
  • 48kHz 24-bit PCM

Audio Input
  • Embedded HDMI Audio Input (2 channel)


  • 3.44” x 2.66” x 1.22” (87mm x 68mm x 31mm)

  • 158g (5.6 oz)

  • ABS Plastic

  • Multiple mounting options with M3 and 1/4-20” holes


Configuration Interfaces
  • OLED display - Input video format, Selected frequency, Video Quality % , Link status
  • On/Off Switch
Mobile App
  • Launchpad App
Desktop App
  • Launchpad application for OSX & Windows
Usb Interface Functionality
  • Upgrade via Micro-USB
External Control
  • Enable/disable Bluetooth
  • 2.4 GHz

  • DFS Frequencies: 5.270 ~ 5.670 GHz Non-DFS Frequencies: 5.190 ~ 5.230 GHz and 5.755 ~ 5.795 GHz

Rf Channel Selection
  • Auto only, 40 MHz only, no blocked frequencies

  • AES-128, RSA-1024 key exchange

Rf Power
  • 19 dbm EIRP (<80mW transmit power)

  • Up to 500 ft line of sight

Unicast Multicast
  • Can connect one transmitter to up to 2 receivers

Noise Rejection
  • Can coexist with Wi-Fi and 5GHz cordless phones, and can operate up to 4 sets in same location


Power Input
  • USB-C power input

  • Internal 9.5Wh battery (1.5hr run time)

Nominal Power Consumption
  • 5 Watts


Operating Temperature
  • 0~40 deg-C

What's In The Box:

  • 1 x Spark 4K TX
  • 1 x Hot Shoe Adapter
  • 1 x Ultra Thin HDMI 18in Cable
  • 1 x PSU 30W USB-C Power Adapter
  • 1 x Quickstart Guide - Spark 4K

Manufacturer: Teradek
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