Teradek Spark 4K TX/RX Set (Transmitter, Receiver)

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

Spark 4K TX/RX is a wireless video transmission system that transmits and receives 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 the 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 and receive a video with less than 1ms of delay.

Mobility
Get wireless coverage for up to 500 feet of range. Now, your computers, cameras, switchers, projectors, and screens 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.

Smaller than small
Spark RX is just 4.39″ x 3.19″ x 1″, just slightly larger than a cassette tape.

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.

Common workflows using Spark 4K 

Professional A/V Workflows (conferences, tradeshows, pop-up events):
Computer > Spark 4K > Consumer TV/Projector (Up to 2 sources)
Computer > Spark 4K > Graphics Processors > Projector
Computer > Spark 4K > Video Mixer
Camera > Spark 4K > Switcher > Consumer TV/Projector
Camera > Spark 4K > Switcher > Live Stream

House of Worship Workflows:
Computer > Spark 4K > Consumer TV/Projector (Up to 2 sources)
Camera > Spark 4K > Monitor/Projector
Camera > Spark 4K > Switcher

Live Sports Workflows:
Camera > Spark 4K > SwitcherCamera > Spark 4K > Monitor (For coaches)

Live Event (weddings, funerals) Workflows:
Camera > Spark 4K > Switcher
Switcher Program Output > Spark 4K > Live event monitor/projector