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Small zinc-alloy adapter with a 2.5 mm 4-pole male plug on one end and a 3.5 mm female socket on the other

Boxwave

Boxwave 2.5mm 4-Pole Male to 3.5mm Female Audio Adapter

SKU CH-BAQM-N9KCH

Connects a 2.5 mm 4-pole male plug to a 3.5 mm female socket for audio and video signals

  • Product typeAdapters
  • Connects 2.5 mm devices to 3.5 mm ports
  • Zinc-alloy body resists daily wear
  • Compact shape fits in any pocket
  • Extends existing cables without signal loss
  • Ready-to-use adapter for audio and video

2.5 mm to 3.5 mm Audio Adapter

This zinc-alloy adapter converts a 2.5 mm 4-pole male plug into a 3.5 mm female socket. It suits users connecting legacy headsets or specialised audio leads to standard 3.5 mm ports on phones, laptops or media players. The compact coupler adds negligible bulk to the signal chain.

Replaces mismatched 2.5 mm plugs

The adapter bridges the gap when a device or cable terminates in a 2.5 mm 4-pole connector but the target equipment expects a 3.5 mm jack. The jump is worth it whenever rewiring or replacing the original cable is impractical or the 2.5 mm source is built into hardware that cannot be changed.

Limited to analogue stereo plus one control line

The 4-pole wiring carries left, right, ground and a single microphone or control channel. It cannot transport digital audio, balanced signals or multi-channel formats. Signal integrity depends on the quality of the connected cables; the adapter itself adds no active circuitry or shielding beyond its metal housing.

How it compares

Measured against everything we stock in Audio Jack & RCA Adapters, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 91% of the 1,324 comparable items (median $16.99).

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Specifications

Product
Product typeAdapters

Questions about this item

Will the 2.5 mm male plug fit inside a recessed headphone jack on my device?

The 2.5 mm male plug is a standard 4-pole connector; it fits any matching 2.5 mm female socket regardless of recess depth as long as the opening accepts a standard plug diameter.

Do I need to tighten any screws or solder wires when installing this adapter?

No tools or soldering are required; simply push the 2.5 mm male end into the source jack and insert your 3.5 mm cable into the female end until both click firmly into place.

Will the zinc-alloy housing or the internal contacts wear out after frequent plugging and unplugging?

The zinc-alloy shell resists physical damage, and the gold-plated contacts inside are rated for thousands of insertion cycles, so normal daily use will not degrade the connection.

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