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Compact bidirectional 3.5mm audio switch with volume knob

SMUGDESK

SMUGDESK Bidirectional 3.5mm Audio Switch with Volume Knob

SKU CH-J5RB-SFHMM

A passive 3.5 mm stereo switch toggles between two sources or splits one signal to two outputs with a built-in volume knob

  • Switch two sources to one output or one source to two outputs with bidirectional 3.5mm design
  • Adjust volume instantly via built-in rotary knob without touching connected devices
  • Enjoy lossless stereo sound through pure passive circuit with no power needed
  • Connect phones, laptops, headphones and speakers via universal 3.5mm AUX ports
  • Ready to use immediately with included 3.5mm audio cable for quick setup

Desktop Audio Switching

The SMUGDESK bidirectional 3.5mm audio switch lets you route two sources to one headset or speaker, or split one source to two outputs, all without external power. A built-in rotary knob gives instant volume control at your fingertips. The package includes a matching 3.5mm cable so you can connect everything straight away.

Ideal For Simple Setups

This suits anyone who juggles a phone and a PC on one pair of headphones, or two listeners sharing one laptop. It is not suited for setups that need powered amplification, remote switching or multi-channel surround sound. Buyers who want automatic source detection or software-controlled routing should look elsewhere.

Passive 3.5mm TRS Interface

Every connection uses a standard 3.5mm TRS jack, so the switch works with any device that offers a stereo headphone or line output. Because the circuit is purely passive, it adds no noise or distortion and requires no batteries or USB power. Confirm your sources and outputs all use 3.5mm TRS before ordering.

Highlights

  • Switch two sources to one output or one source to two outputs with bidirectional 3.5mm design
  • Adjust volume instantly via built-in rotary knob without touching connected devices
  • Enjoy lossless stereo sound through pure passive circuit with no power needed
  • Connect phones, laptops, headphones and speakers via universal 3.5mm AUX ports
  • Ready to use immediately with included 3.5mm audio cable for quick setup

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the 2-in-1-out or 1-in-2-out mode for my setup?

Use 2-in-1-out to select between two sources like a PC and smartphone on one headset, or 1-in-2-out to share one source with two headphones simultaneously.

How does the passive circuit affect sound quality on my headphones?

The passive design needs no power and adds no noise or distortion, delivering lossless stereo audio straight to your headphones or speakers.

What does the 3.5mm TRS interface limit in practice?

Standard 3.5mm TRS jacks carry analogue stereo only, so you cannot transmit microphone signals, surround sound or digital audio through this switch.

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