US
Syba

Syba SD-ADA31040 Video Converter

  • Video Converter
  • Syba
  • Auxiliary, HDMI, VGA
  • Black
4.1/ 5 on Amazon170Amazon ratings3.5ProductDome score
Medium confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou need to connect HDMI sources to a display or projector that only accepts VGA

A compact HDMI-to-VGA bridge for up to four sources, useful specifically when your display or projector only accepts VGA input.

View current price on Amazon →

As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.

ProductDome scorecard

How it ranks among the 101 video converters we track

3.5/ 5ProductDome scoreMedium confidence
Owner satisfaction · 56% of scorecategory median 4.4★4.1

4.1★ across 170 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 240 ratings2.8

170 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score0.0

Modest tracked demand last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 101 video converters we track - how the scorecard works · full video converters data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Syba's SD-ADA31040 pairs four HDMI ports with VGA and auxiliary audio output in a black case under 3 inches across. At 0.27 lb, it is built to bridge multiple HDMI sources into an older VGA display.

The combination of four HDMI ports with a VGA and Aux audio output points to a switch-and-convert function, letting several HDMI sources share a single VGA display or projector that lacks its own HDMI input. That makes it a bridge device for older monitors and projectors rather than primary home theater gear.

  • 4 HDMI input ports
  • VGA and Auxiliary audio output
  • Black finish
  • Compact 0.77 x 4.23 x 2.85 in, 0.27 lb

Who it's for

Useful for anyone running multiple HDMI sources into a VGA-only monitor or projector, common in older conference rooms or secondary displays. Not relevant if every device in your setup already has HDMI input.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Four HDMI ports for multiple sources
  • VGA output extends compatibility to older displays
  • Separate Aux audio output
  • Compact at 0.27 lb
What to check first
  • Adds a conversion step compared to native HDMI display
  • No listed support details for resolution limits through VGA

Performance notes

With four HDMI ports feeding into VGA and separate Aux audio output, the unit is built to let multiple HDMI devices share one older display's video input while routing sound separately. Its small footprint, under 3 inches across, keeps it out of the way in a rack or behind a monitor.

Specifications

BrandSyba
ModelSD-ADA31040
Dimensions & fit
Weight4.3 ounces
Dimensions0.8 × 4.2 × 2.9 inches
Construction & materials
ColorBlack
Compatibility & installation
ConnectivityAuxiliary, HDMI, VGA
Other details
Brand TechSyba
Hdmi Ports4

How it compares

This product against the closest alternatives we track in video converters.

ProductAmazon ratingRatingsProductDome score
Syba SD-ADA31040 Video ConverterThis product4.1 / 51703.5 / 5
Orei UHDS-104 Video ConverterOrei4.4 / 55,4004.4 / 5
Amazon Basics Video ConverterAmazon Basics4.2 / 55,7534.3 / 5
Warrky WARRKY-AV-H02 Video ConverterWarrky4.4 / 52,0004.3 / 5
J-Tech Digital JTD-MINI-1x2SP Video ConverterJ-Tech Digital4.3 / 51,5004.2 / 5
Frequently asked

Questions about the Syba SD-ADA31040

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

How many HDMI ports does the Syba SD-ADA31040 have?

Four.

Does it output to VGA?

Yes, VGA is listed alongside HDMI and Auxiliary audio connectivity.

How big is this converter?

It measures 0.77 x 4.23 x 2.85 inches and weighs 0.27 lb.