Updated November 2026

A male to female headphone adapter is one of the simplest accessories in audio, but it solves a common problem: a cable with a 6.35mm (1/4 inch) plug that needs to connect to a 3.5mm (1/8 inch) jack, or the reverse. This review looks at the Chadou Audio Adapter 6.35mm Male to 3.5mm Female Stereo Connector sold as a two-pack. It suits people with a guitar amp, studio gear, or a home receiver who want to plug in standard headphones or a phone-sized cable without buying a new cable. It is less useful for anyone who needs a cable that is long, a wireless solution, or a connector rated for heavy professional touring. Those buyers should look at options listed later in this review.

Chadou Audio Adapter 6.35mm (1/4 inch) Male to 3.5mm (1/8 inch) Female Stereo Headphone Connector Gold Plated, 2 Pack

Chadou Audio Adapter 6.35mm (1/4 inch) Male to 3.5mm (1/8 inch) Female Stereo Headphone Connector Gold Plated, 2 Pack

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Product Overview

The Chadou adapter is a passive, plug-and-play connector. It has a 6.35mm male end on one side and a 3.5mm female socket on the other, so it accepts a standard 3.5mm headphone or aux cable and turns it into a 1/4 inch input. Because it contains no electronics, it does not need power, a driver, or any setup. Signal passes straight through the metal contacts.

The product is sold as a 2-pack, which makes sense for a part that is easy to lose or to leave behind on a stage or in a studio. Gold plating is listed on the connector, a finish commonly used to reduce corrosion on the contact surfaces. Adapters like this are typically used in three situations: connecting a phone or laptop headphone output to a guitar amplifier’s headphone jack, plugging a 3.5mm cable into a 1/4 inch mixer or pedal input, and running a long headphone setup in a home studio.

Key Features & Specifications

The table below lists what the product name and typical specifications for this category confirm. Where a detail is not stated, it is omitted rather than guessed.

Feature Details
Connector direction 6.35mm (1/4 inch) male to 3.5mm (1/8 inch) female
Signal type Stereo (TRS)
Contact finish Gold plated
Quantity 2 pack
Power required None (passive)
Typical use Guitar amps, studio gear, home audio, headphone extension

Manufacturers in this category usually specify the connector standard as TRS for stereo, meaning tip, ring and sleeve. Confirm that your cable is also TRS before buying, because a mono (TS) cable will only carry one channel through a stereo adapter.

Pros & Cons

Pros

  • Passive design with no batteries, drivers or setup steps.
  • Two adapters in one purchase, useful as a spare.
  • Gold-plated contacts are a corrosion-resistant finish in principle, which helps long-term contact quality.
  • Works with any standard 3.5mm stereo source that fits the female end.
  • Small footprint, easy to keep in a gig bag or cable pouch.

Cons

  • Adds one more connection point, which is a possible source of noise or intermittent contact if the fit is loose.
  • Plastic and metal construction varies between batches in this category, so build quality should be checked on arrival.
  • Not a solution for extending cable length on its own.
  • Not suited to demanding stage use where connectors are pulled and bent repeatedly.

Performance Analysis

Because this adapter is passive, its sound quality depends almost entirely on the source and the cable it connects to. A passive connector should not change tone, reduce volume in a meaningful way, or add distortion when the contacts are clean and tight. Owners of similar 1/4 inch to 3.5mm adapters commonly report that the sound is indistinguishable from a direct connection when the fit is secure.

The most common complaints in owner feedback for this type of product fall into three groups. The first is crackling or dropouts, which usually come from a loose fit or a worn socket rather than the adapter itself. The second is a connection that feels tight in one jack and loose in another, which points to tolerance differences between manufacturers. The third is corrosion over time in humid environments, which is the scenario gold plating is meant to address. A reasonable expectation is that gold contacts hold up better than bare nickel or tin in those conditions, but not indefinitely.

For a guitar amplifier or studio input, the adapter does not change impedance or gain. For headphones, it does not limit the power available from the source. The main performance risk is mechanical, not electrical. Test the connection by plugging in, playing a known track, and gently wiggling the cable. If the audio cuts out, the fit or the socket needs attention.

Who Should Buy This Product?

This adapter fits guitarists who want to practice quietly with headphones through an amp with a 1/4 inch headphone jack, people who use a phone or laptop with a 3.5mm output into a studio or stage input, and home listeners connecting older receivers or mixers. The two-pack is a practical buy for anyone who wants a spare for a bag or a second setup.

Skip it if you need a long extension cable, a wireless link, or a connector that will be used daily in harsh touring conditions. In those cases, a heavier-duty adapter or a different cable type is a better fit. Also skip it if you are trying to connect a balanced XLR source, since this adapter is not designed for that.

Buying Guide

Before you buy any male to female headphone adapter, check four things. First, confirm the plug size on your source and the jack size on your device by measuring with a ruler: a 6.35mm plug is about 1/4 inch in diameter, and a 3.5mm plug is about 1/8 inch. Second, check whether your cable is TRS (stereo, three bands on the plug) or TS (mono, two bands). Third, look at the contact finish, where gold plating is generally preferred for longevity. Fourth, consider whether you need one adapter or a multipack.

Once you have confirmed those points, compare a few well-known options. The following alternatives serve different needs.

  • Seamless Audio Connection Premium 3.5mm to 1/4 Adapter (2-Pack): a stereo TRS adapter with 24K gold plating and a two-pack format, suited to guitar amp and aux cable use.
    Seamless Audio Connection, Premium Sound Fidelity, Secure TRS Connection for Aux Cable, Guitar Amplifier, Headphone VCE 3.5mm to 1/4 Adapter Stereo Headphone Adapter, 24K Gold-Plated, 2-Pack

    Seamless Audio Connection, Premium Sound Fidelity, Secure TRS Connection for Aux Cable, Guitar Amplifier, Headphone VCE 3.5mm to 1/4 Adapter Stereo Headphone Adapter, 24K Gold-Plated, 2-Pack

    View on Amazon

    View on Amazon

  • MCSPER Headphone Extension Cable (6.6 ft): a 3.5mm male to female extension rather than a 1/4 inch adapter. Choose this if you need more reach, not a size conversion.
    MCSPER Headphone Extension Cable, [2-Pack, 6.6ft Hi-Fi ] 3.5mm Extension AudioMale to Female Aux Adapter Hi-Fi Sound Stereo Extender Cord for Headset, iPhone, iPad, Smartphones, Tablets & More (Grey)

    MCSPER Headphone Extension Cable, [2-Pack, 6.6ft Hi-Fi ] 3.5mm Extension AudioMale to Female Aux Adapter Hi-Fi Sound Stereo Extender Cord for Headset, iPhone, iPad, Smartphones, Tablets & More (Grey)

    View on Amazon

    View on Amazon

If your problem is not the plug size but a missing or failing headphone connection, you may find more value in reading Headphone Adapters Explained: 3.5 mm, 6.3 mm and USB-C before choosing. For a broader set of options, Headphone Jack to 3.5mm Adapter: How to Pick the Right One (Step-by-Step) walks through the selection process. Anyone plugging into an amp for practice may also find Guitar Cable Headphone Jack Adapter: Step-by-Step Setup Guide useful.

FAQ

Does a male to female headphone adapter reduce sound quality?

A passive adapter with clean, tight contacts should not change tone in any audible way. Quality issues usually trace back to a loose connection or worn contacts rather than the adapter design itself.

Can I use this adapter with a mono cable?

You can, but only one channel will carry audio through a stereo connector. If the sound comes from only one ear, check whether your cable is mono (TS) and consider a stereo cable instead.

Why does my audio crackle when I move the cable?

Crackling is most often caused by a loose fit between the plug and socket, a dirty contact, or a worn jack on the device. Try a different socket, clean the contacts gently with isopropyl alcohol, and check that the adapter is fully seated.

Is gold plating necessary?

It is not required for function, but gold is resistant to corrosion, which helps contact quality over time in humid or frequently handled environments.

Can I use this to plug headphones into a guitar amp?

Yes, many guitar amps have a 1/4 inch headphone jack. Connect your headphones through a 3.5mm to 1/4 inch path, using this adapter where needed. Check the amp manual to confirm the headphone output is designed for that use.

Will this adapter work with an XLR connection?

No. This is a 1/4 inch to 3.5mm adapter for unbalanced stereo signals. XLR connections need a different adapter type.

Do I need a power source?

No. The adapter is passive and requires no batteries or external power.

How do I know if the adapter is the problem?

Test the same cable directly into the device, then through the adapter. If the problem disappears when the cable is connected directly, the adapter or its fit is the likely cause. Replace it or try the spare from the two-pack.

Final Verdict

The Chadou 6.35mm male to 3.5mm female adapter is a straightforward, passive connector that does what it claims when the fit is secure. Its two-pack format and gold-plated contacts make it a sensible buy for guitarists, home studio users and anyone who regularly connects a 3.5mm source to a 1/4 inch input. It is not a long-cable solution, and it will not fix a damaged jack. If your needs match its size conversion role, it is a practical, low-maintenance addition to your bag or setup.

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Claire Whitaker

About Claire Whitaker

Claire Whitaker is part of our editorial team and reviews and edits our headphone comfort & accessories + gaming headsets guides, checking product details against manufacturer specifications and owner feedback.