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Small black box with three 3.5mm jacks and a selector switch

GRACETOP

GRACETOP 3.5mm Stereo Audio Switcher

SKU CH-HR2D-PDGHA

A passive 3.5 mm stereo switcher that routes two sources to one output or one source to two outputs with a mute button

  • Sports Team1 Piece
  • Sports LeagueCounter Logic Gaming
  • Switch between two audio sources with a single button
  • Route one source to two different outputs instantly
  • Mute audio instantly with a dedicated press button
  • Works without power so sound quality stays pure
  • Handles 20 Hz to 20 KHz signals up to 2 V p-p

What this switcher does

The GRACETOP 3.5mm stereo audio switcher is a passive, bidirectional selector that lets you route one of two analogue sources to a single output or send one source to one of two outputs. It is built for desktop users who want to share speakers or headphones between a computer and a second device without unplugging cables. A single mute button cuts the signal instantly when needed.

Thermals noise and power

Because the unit is completely passive it draws no power and generates no heat or fan noise. The analogue signal path supports a maximum of 2V peak-to-peak with a frequency response of 20Hz to 20KHz, so audio quality is unaffected by the switching. Operation is silent and requires no external adapter or software.

Build fit and cabling

The compact box accepts standard 3.5mm cables up to 8 metres on each input and output, giving flexibility for desk or office layouts. It supports three-pole (three-segment) headphone plugs only; four-pole headsets with inline microphones are not compatible. No driver installation or external power socket is needed, freeing a mains outlet and a USB port.

Highlights

  • Switch between two audio sources with a single button
  • Route one source to two different outputs instantly
  • Mute audio instantly with a dedicated press button
  • Works without power so sound quality stays pure
  • Handles 20 Hz to 20 KHz signals up to 2 V p-p

Specifications

Sports Team1 Piece
Sports LeagueCounter Logic Gaming

Questions about this item

How do I connect two audio sources and one output, and which step do people miss?

Plug each source into the 1 and 2 ports, then connect your speakers or headphones to the IN/OUT port. The step often missed is pressing the selector switch to choose the active input — the box does not auto-switch.

What maintenance or replacement will this passive 3.5mm selector need over time?

No power supply or software means no firmware updates or batteries. Only the 3.5mm jacks and the mute button can wear; if a jack becomes loose or the button sticks, replace the whole unit.

What signal limit appears first during sustained use of this analog switcher?

The analog path is rated for a maximum 2 V peak-to-peak signal across 20 Hz to 20 kHz. Over-driving the input beyond that level will clip before any thermal or cable-length limit is reached.

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