QS7785CF Stereo Surround Audio Processor IC

A surround processor is the part that decides how a board handles stereo and surround signals. The QS7785CF is a component for a designed audio circuit or a component-level repair, not a finished module.

✅ Integrate processing into your own board - The IC is intended to be placed in a compatible circuit rather than added as a separate box.

✅ Control it over I2C - I2C control allows settings to be adjusted from the host microcontroller in the design.

✅ Use it for a matched repair - The part suits a component-level replacement where the original device is a QS7785CF.

A processor for the board, not a box

This is a surface-mount component: it needs a compatible footprint, a correctly laid out supply and the surrounding passives from the reference design. It is not a plug-in accessory and cannot be wired in isolation.

Confirm the package, pinout and supply voltage against the original part before ordering, and check the circuit around it for the fault rather than replacing the IC alone.

Technical details

• QS7785CF stereo surround audio processor
• I2C control interface
• Surface-mount IC for PCB assembly
• Component only, not a finished module

Match the part to the board before ordering a replacement.