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StarTech 3ft Ultra-Thin Digital Optical Audio Cable, Black (THINTOS3)
StarTech.com

StarTech 3ft Ultra-Thin Digital Optical Audio Cable, Black (THINTOS3)

Bottom line: The StarTech.com StarTech 3ft Ultra-Thin Digital Optical Audio Cable ($6.87 on Amazon as of 2026-10-20 22:15 UTC): Ultra-thin jacket fits tight gaps behind wall-mounted TVs and racks; main trade-off: 3 ft only — too short for across-the-room component runs.

$6.87

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Buy on Amazon — $6.87 Compare to similar audio & midi

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Ultra-thin jacket fits tight gaps behind wall-mounted TVs and racks
  • ✓ Fiber optic path avoids ground-loop hum from shared power strips
  • ✓ Standard TOSLINK (M) to TOSLINK (M) fits most receivers and consoles
  • ✓ Passes SPDIF digital audio with no analog conversion in the path

Cons

  • ✗ 3 ft only — too short for across-the-room component runs
  • ✗ Thin fiber is easier to crimp or snap than a thick-jacket cable
  • ✗ TOSLINK caps out below HDMI ARC for modern surround formats
  • ✗ No 90-degree or angled connector option for cramped rear panels

Manufacturer description

The StarTech.com THINTOS3 is a 3-foot TOSLINK optical audio cable built for setups where a stiff, thick fiber run simply won't fit. It carries SPDIF digital audio between two male TOSLINK connectors, so you can wire a retro console, DVD player, sound card, receiver, or soundbar without converting the signal to analog first. The draw here is the ultra-thin, lightweight jacket: it bends into tight gaps behind a wall-mounted TV, inside a rack, or along the back of a cramped AV shelf where a standard optical cable would kink or push the component forward. Because the transfer is fiber optic…

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SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 3ft Ultra-Thin Digital Optical Audio Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the audio & midi category. StarTech.com's audio & midi lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How long is this optical cable?

It is 3 feet, which suits a console, DVD player, or sound card connecting to a receiver on the same shelf or rack. For longer runs, choose a different length in the StarTech.com line.

Will it work with my TV, soundbar, or receiver?

It uses standard TOSLINK (M) to TOSLINK (M) connectors carrying SPDIF, so it fits any device with a square optical audio port. Check your gear's rear panel for that square, shuttered TOSLINK jack.

Why choose optical instead of an analog RCA cable?

The signal travels as light through fiber rather than as current through copper, so it is not affected by the electrical interference and ground-loop hum that can reach analog interconnects sharing crowded power.

Is the ultra-thin design less durable?

The thin, lightweight jacket is what lets it route through tight installations, but any fiber optic cable should not be bent sharply or pinched. Route it in gentle curves rather than hard 90-degree folds.

Is this cable worth it compared to pricier optical cables?

Optical carries a digital signal, so a working cable either passes the data or it does not. That makes this one a budget-friendly choice over pricier optical cables; check the current listing for today's price.

Key Features

  • Digital audio cable (optical)
  • SPDIF
  • TOSLINK (M) to TOSLINK (M)
  • 3 ft
  • fiber optic
  • Ultra thin and light weight

Full Specifications

Size3 ft
BrandStarTech.com
ColorBlack
ModelTHINTOS3
WarrantyLifetime warranty
UnitCount1
ManufacturerStarTech.com
ItemPartNumberTHINTOS3

Ready to buy?

StarTech 3ft Ultra-Thin Digital Optical Audio Cable, Black (THINTOS3) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $6.87

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

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StarTech 3ft Ultra-Thin Digital Optical Audio Cable, Black (THINTOS3)
$6.87
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