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Short black cable with 3.5mm female jack and Micro USB B male plug

Boxwave

Boxwave E1003 3.5mm Female to Micro USB B Male Audio Adapter 1FT

SKU CH-RB4V-G90MA

Connects a 3.5mm aux device to a Micro USB B port with a one-foot cable

  • TypeAdapters
  • Connect 3.5 mm audio devices to Micro USB B ports
  • 3-pole aux jack fits standard headphone plugs
  • 5-pin Micro USB B male end plugs into compatible sockets
  • One-foot cable keeps the link short and tidy
  • Adapter type simplifies audio connections without extra gear

Purpose and audience

The Boxwave E1003 is a short audio adapter that converts a 3.5 mm three-pole auxiliary jack into a Micro USB B five-pin male plug. It suits anyone who needs to connect standard headphones or a speaker cable to a device that only offers a Micro USB B port for audio output.

Build integration

The one-foot cable adds minimal clutter and requires no external power or driver installation. It frees the user from hunting for a dedicated headphone jack on newer hardware while leaving the host port available for its primary data or charging function when audio is not in use.

Sustained use

Passive wiring means the adapter introduces no active electronics that could overheat or degrade during long listening sessions. Signal continuity remains stable for the duration of the connection, limited only by the mechanical durability of the connectors themselves.

Highlights

  • Connect 3.5 mm audio devices to Micro USB B ports
  • 3-pole aux jack fits standard headphone plugs
  • 5-pin Micro USB B male end plugs into compatible sockets
  • One-foot cable keeps the link short and tidy
  • Adapter type simplifies audio connections without extra gear

Specifications

TypeAdapters

Questions about this item

What limits the audio signal when this adapter is used for long sessions?

The 3-pole 3.5mm jack passes only analogue stereo, so cable resistance and connector contact quality set the practical limit.

Does the adapter generate heat or noise when left connected all day?

It has no active electronics, so it produces no heat and no audible noise during continuous use.

Which device must already provide a Micro USB B port with audio support for this to work?

The source device needs a Micro USB B 5-pin port that carries analogue audio on the USB pins.

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