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Small black box with three RCA ports and HDMI output

Corn Electronics

Corn Electronics ZHT003 RCA to HDMI 1080p 60Hz adapter

SKU CH-B68B-CK43C

Converts RCA composite video and audio to 1080p 60Hz HDMI with USB power, no drivers needed

  • ColorBlack
  • Changer TypeRCA Connectors
  • Converts legacy RCA composite to modern HDMI 1080p 60Hz output
  • Plug-and-play operation with no driver installation required
  • Supports multiple analogue TV standards including PAL and NTSC variants
  • USB-powered design draws power from a standard USB port
  • Compact 66 x 55 x 20 mm form factor weighs 40 g

What this adapter does

The Corn Electronics ZHT003 converts analogue RCA composite video and stereo audio into a digital HDMI signal. It accepts PAL, NTSC and SECAM standards and outputs at 1080p or 720p at 60Hz. The unit is powered from a USB port and requires no driver installation. It is intended for connecting legacy sources such as VHS players, older consoles or cameras to modern displays.

Installation and common issues

Connection is straightforward: plug the three RCA cables into the yellow, white and red inputs, attach the USB power cable, then connect the HDMI output to the display. The converter auto-detects the input format and begins upscaling immediately. A delay of less than three seconds may be noticeable when switching sources. The device does not pass audio without a video signal present.

Check before ordering

Verify that your source equipment provides composite video on a yellow RCA jack and analogue stereo audio on white and red jacks. Ensure a spare USB port or USB power adapter is available to supply the unit. The HDMI output is a standard 1920x1080 at 60Hz signal; confirm the display accepts this resolution and refresh rate. The adapter will not work for audio-only applications.

Highlights

  • Converts legacy RCA composite to modern HDMI 1080p 60Hz output
  • Plug-and-play operation with no driver installation required
  • Supports multiple analogue TV standards including PAL and NTSC variants
  • USB-powered design draws power from a standard USB port
  • Compact 66 x 55 x 20 mm form factor weighs 40 g

Specifications

BrandCORN
ModelZHT003
ColorBlack
Changer TypeRCA Connectors

Questions about this item

How can I verify the ZHT003 is converting correctly after connecting it?

The adapter outputs 1080p at 60 Hz or 720p at 60 Hz; check your TV or monitor info screen to confirm one of those resolutions appears and that audio plays in sync with video.

What comes in the box with the ZHT003 and what must I supply?

The unit includes the converter with RCA (yellow, white, red) input, HDMI output and a USB power cable; you must provide a USB power source such as a TV USB port or charger and your own HDMI cable.

Which output resolution should I choose between 1080p and 720p?

Select 1080p 60 Hz for the sharpest picture on a 1920×1080 display; choose 720p 60 Hz if your screen only supports that resolution or if you prefer lower bandwidth.

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