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Small black metal box with HDMI and RCA ports

ESTONE

ESTONE HDMI to HDMI+3RCA CVBS AV Composite Video Audio Adapter/Splitter

SKU CH-A3H6-TM74N

Converts one HDMI input into simultaneous HDMI and composite RCA video plus stereo audio outputs at up to 1080P 60 Hz with PAL and NTSC support

  • TypeHDMI to Composite
  • Connector A1 x HDMI input
  • Connector B1 x HDMI+3RCA Output
  • Package Contents1 x HDMI to HDMI+AV RCA CVBS Video Audio Converter 1 x 5V/1A
  • Splits one HDMI source to HDMI and composite simultaneously
  • Converts digital HDMI to analogue RCA without driver installation
  • Supports 1080p at 60 Hz and 4K at 30 Hz input
  • Outputs NTSC or PAL composite at 480i or 576i
  • Metal housing provides passive cooling for reliable operation

Signal conversion and simultaneous output

This ESTONE adapter converts a single HDMI digital source into two simultaneous outputs: one HDMI pass-through and one composite video connection with stereo analogue audio. It is intended for users who need to feed a modern display and an older television or recorder at the same time without installing any driver software. The unit draws power from an included 5V/1A supply and operates with a simple plug-and-play setup.

Resolution and format limits

The converter accepts HDMI input up to 1080P at 60Hz and 4K at 30Hz while the composite RCA output is fixed at standard-definition 480i or 576i depending on the selected television standard. NTSC and PAL output formats are both supported, but the composite path cannot carry high-definition detail regardless of the source resolution. HDCP content on the HDMI input may prevent the composite output from displaying a picture.

Composite output resolution

The single specification that decides suitability is the composite RCA output resolution of 480i or 576i, which is standard-definition only. Buyers who need a high-definition signal on the second display cannot use this adapter for that purpose. The HDMI pass-through retains the original input resolution, but the analogue composite leg will always downscale to standard definition.

Highlights

  • Splits one HDMI source to HDMI and composite simultaneously
  • Converts digital HDMI to analogue RCA without driver installation
  • Supports 1080p at 60 Hz and 4K at 30 Hz input
  • Outputs NTSC or PAL composite at 480i or 576i
  • Metal housing provides passive cooling for reliable operation

Specifications

TypeHDMI to Composite
Connector A1 x HDMI input
Connector B1 x HDMI+3RCA Output
Package Contents1 x HDMI to HDMI+AV RCA CVBS Video Audio Converter
1 x 5V/1A Power Adapter
1 X User Manual

Questions about this item

Should I pick this adapter if I need both an HDMI pass-through and composite RCA outputs at the same time?

Yes, the unit splits one HDMI input into a simultaneous HDMI output plus CVBS composite video and stereo audio on three RCA jacks.

What resolution will I actually see on the composite RCA output when I feed it a 1080P@60Hz source?

The RCA side is limited to standard-definition 480i or 576i, so the picture will be downscaled from the 1080P input.

Does the HDMI 1.3 interface on this converter cap the input at 1080P or can it accept 4K signals?

The specs list HDMI 1.3 with 1080P@60Hz and 4K@30Hz input support, so 4K at 30 Hz will pass through the HDMI output while the RCA side stays at 480i/576i.

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