Headphone adapter DELTACO AD-2-K — 6.3 mm female to 3.5 mm male, black

DELTACO AD-2-K is a compact headphone adapter that converts a 6.3 mm (1/4") female socket to a 3.5 mm (1/8") male plug. Finished in black, it enables professional headphones or audio equipment with a 6.3 mm jack to connect to portable players, laptops and smartphones with a 3.5 mm input. The adapter is gold-plated for reliable electrical contact and comes in FSC-labeled packaging with a 5 year limited warranty.

Advantages

The gold-plated contact surfaces reduce the risk of poor contact and help maintain high sound quality when connecting 6.3 mm headphone plugs to 3.5 mm sockets. The compact, durable design and plug-and-play format make it suitable for quick connection without additional tools or adapters. FSC-labeled packaging and a 5 year limited warranty provide clear information on environmental labeling and product support.

Suitable for

• Connecting professional headphones (6.3 mm) to portable players, laptops or smartphones (3.5 mm)
• Use in home audio setups and small studio environments
• Mobile use when adapting larger headphone plugs to compact devices

Key specifications

• Color: Black
• Adapter type: 6.3 mm (female) to 3.5 mm (male)
• Contact plating: Gold
• Connector: Mini phone 3.5 mm — plug
• Contact (other end): Phone 6.35 mm (Neutrik) — female
• Standards: FSC labeling
• Warranty: Limited warranty — 5 years

How to use

Insert the 3.5 mm male plug of the adapter into the device's 3.5 mm headphone socket. Then insert the 6.3 mm headphone plug into the adapter's 6.3 mm female socket until it seats firmly. No additional tools or configuration are required; the adapter provides a direct mechanical and electrical connection between the two sizes.

Usage recommendations

For best performance, ensure both mating plugs and sockets are clean and free from dust or corrosion. Avoid excessive bending or impact on the adapter; store it in a protective case when transporting to prevent damage to the gold-plated contact surfaces.