STK 4231 120W to 200W Stereo Power Amplifier PCB ( Printed Circuit Board Only)

Powered by STK4201 II to STK 4231 II


This PCB is Compatible with Range of STK Amplifier ICs

Features of the circuit

  1. Professionally Designed PCB for the Best Quality Output and Stability.
  2. Designed to cut off various kinds of pop noises.
  3. Very Easy to assemble no need an expert knowledge.
  4. Assembly and Testing Guide included (English)
  5. Tested for Quality and Stability (Using Genuine STK IC)
  6. Thick and wider copper paths for delivering maximum power output.
  7. Muting circuit and Amplifier Protection on board circuit

PCB Specifications

  1. Dimensions - 150mm x 90mm
  2. Thickness - 1.6mm
  3. Material - Bakelite epoxy
  4. Solder mask - none
  5. Anti-Oxidation protection - Rosin Coat (also it makes easier to solder)
  6. Manufacturer - CAD PCB
  7. Made in Sri Lanka

The STK IC (Integrated Circuit)

This board is Compatible with 4 types of STK 42XX series amplifier ICs. You can choose the STK IC for desired Power and the supply Voltage in the chart below.


Example: If you want to build a 200W amplifier, you should choose STK4231II and the supply voltage should be +/-51V (or 36V-0V-36V center tapped Transformer)

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Package Include 

  • PCB Board  x 01 
  • Instruction Manual x 01 
(NO Retail Box. Packed Safely in Bubble Bag)