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Features: 1 The product adopts high quality materials and wonderful tone chips, with high, low, volume, and surround adjustment potentiometers 2 Easy to operate, designed with a right away switch atmosphere The short-circuit cap on the V side is for tone function, whereas the short-circuit cap at the G aspect is for direct connection The tone isn't always fixed and can only be adjusted to adjust the amount three Single power supply, dual-use of AC and DC, extra handy to use four There are fixed and separated versions of potentiometers that can be selected per wishes The constant version has a distance of 25mm between the 4 potentiometers, while the separated edition is not limited through the distance between the casings 5 Small size design, with good compatibility, broadly applicable to low cost audio devices, tremendously enhancing the surround sound effect Parameter: Working voltage: AC 5-16V or DC 7-21V (switching power delivery cannot be used as it could cause interference) Potentiometer spacing: Fixed version: The spacing between four potentiometers is 25mm Separated version: not limited by the spacing between the chassis PCB size: 100mm * 45mm Signal line: approximately 300mm Package include: 1 Fixed edition of potentiometer: Tone board X1 Signal line X2 2 Potentiometer separation version: Tone board X1 Potentiometer X4







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