FIELD GUIDESource-led reference
Port & Cable

P332 / Audio / Cable / adapter

Hosa GOP-490 optical form adapter

Hosa’s named optical adapter connects a male TOSLINK cable to a 3.5 mm combination optical jack; it is not evidence of analog conversion.

Also called GOP-490 TOSLINK to Mini-TOSLINK adapter optical miniplug adapter

Adapting an optical form does not add an optical receiver or codec decoder to another device.

The useful distinction

Identify the exact adapter and confirm optical support at the intended combination socket in that device’s documentation.

Claim inspection dates: 2026-10-07 · Independent review pending

Cable / adapter note · not an individual product specification

The useful distinction

Understand the requirement.

Hosa’s named optical adapter connects a male TOSLINK cable to a 3.5 mm combination optical jack; it is not evidence of analog conversion. [C332A]

Bounded facts, visible unknowns

Specifications and limits

Hosa GOP-490 optical form adapter facts and limitations
Represented pathTOSLINK optical cable to 3.5 mm combination optical jack [C332A]
Verified device listNot included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.

No analog-to-digital conversion, digital-to-analog conversion, ADAT/S/PDIF conversion, codec decoding, tested direction or end-to-end approval is supplied by this record.

Before you connect

What to check

  1. Confirm that the socket supports optical audio, not just an analog headphone plug.
  2. Identify source/output and receiver/input roles separately.
  3. Check receiver format support before treating an optical shape match as useful.
Trace a supported connection class →

Your next step

Move from the form to the requirement.

Compare this field note See the differences without assuming interchangeability.Work through a connection Choose your task before deciding on a cable.Explore this evidence trail Inspect the claims and their dependencies. (private workspace)

The source trail

Evidence for this page

AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.

C332ASource checked · pending review

Hosa GOP-490 is an optical form adapter for a male TOSLINK cable and a 3.5 mm combo jack. The documented path stays optical; analog conversion, codec decoding and compatibility with an arbitrary socket are not established.

Hosa Technology · GOP-490 Fiber Optic Adapter — Toslink to Mini-Toslink ↗

Locator: Product description and connector labels: male TOSLINK optical cable to 3.5 mm combo jack; GOP-490 identity.
Access: public page. Marketing examples such as iMac do not select a model. No pinout, insertion dimensions, direction guarantee, codec decoder, loss budget or universal headphone-jack compatibility is provided.

S410: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact GOP-490 represented path only; no broad device recommendation, digital/analog conversion, direction certification or connector dimensions.. Next review due 2027-01-05.

Suggest a correction to this field note →

Common questions

Questions this record can help resolve

Is Mini-TOSLINK the same as a 3.5 mm headphone plug?Similar size is not a signal specification; check the exact socket’s documented role.Why can a TOSLINK cable fit an ADAT port but not produce sound?Connector fit does not select the receiver’s digital mode or supply a missing audio decoder.Does a Mini-TOSLINK adapter convert analog audio?Distinguish optical form adaptation from signal conversion and device capability.

Evidence behind this page

Scope first. Source second. Approval separate.

1 linked sources · 1 scoped claims · 0 sources with inspection/access flags.

Page scope: optical_audio_v73

Assessment 2026-10-22 · earliest scheduled source review 2027-01-05. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 1 source scopes, access limits and dates

S410 · GOP-490 Fiber Optic Adapter — Toslink to Mini-Toslink

Hosa Technology · Manufacturer / product-owner domain · inspected 2026-10-07 · due 2027-01-05

Within inspection window

Scoped support: Exact GOP-490 optical form adaptation only. No analog/digital signal conversion is represented.

Not established / limitations: Marketing examples such as iMac do not select a model. No pinout, insertion dimensions, direction guarantee, codec decoder, loss budget or universal headphone-jack compatibility is provided.

Locator: Product description and connector labels: male TOSLINK optical cable to 3.5 mm combo jack; GOP-490 identity.

Trace 1 claims to their source records

C332A · P332

Hosa GOP-490 is an optical form adapter for a male TOSLINK cable and a 3.5 mm combo jack. The documented path stays optical; analog conversion, codec decoding and compatibility with an arbitrary socket are not established.

Claim scope: Exact GOP-490 represented path only; no broad device recommendation, digital/analog conversion, direction certification or connector dimensions.

Source links: S410 · Evidence trail → (private workspace)

Prepare this page for review → (private workspace)Read the evidence method →

Recorded evidence only. An inspection date, publisher label, source link or generated packet is not independent technical review, hardware testing, fabrication approval or a compatibility verdict.