Mini Digital Amplifier Board Bluetooth Kit

Ready to Build

Product Code: MOD0540K


Pay it in 4 payments of $4.72 with Afterpay

Buy 1+ $18.90 (incl. GST)
Buy 10+ $17.00 (incl. GST)

A complete amplifier kit ready to assemble. 

All you need to make an I Phone, Smart Phone amplified speaker set (bluetooth required)

Design your own original housing for a unique project


1 X MOD0540 Amp module

2 x SP1005 Speakers

1 x BH0062 Switched battery Holder

1 x 656.010 4 x AA batteries

Dual channel digital amplifier board, dual channel design. This amplifier board can be powered by USB or batteries. Equipped with built-in high-gain buffer amplifier and short circuit protection on this amplifier board.

Please note this kit requires minimal soldering.


  • Built-in high-gain buffer amplifier, built-in short circuit protection
  • Powered by 1 x lithium battery or 4 x 1.2V batteries, 3 x 1.5V batteries or USB power
  • 5V voltage regulator circuit is required if powered by a transformer
  • Power: 3.6-5.5V DC
  • Output Power: 3W+3W (4ohms)
  • SNR: 90dB
  • Efficiency: >90%
  • Max. Closed Loop Gain: 24dB
  • Wire Length: Approx. 18cm (short), 28cm (long)
  • Size - 29mm x 23mm


  • Do connect the polarity correctly, and supply voltage must be under 5.5V
  • Do not change any component parameters on board, or it will cause damage
  • Try to use shielded wire as the input line for better anti-interference performance
  • Cathode ends of left & right speaker can not be connected together



The Bits that Count! Surplustronics sells masses of Arduino boards and other pre-made modules ready for your project. These come under the MODULE brand which is exclusive to Surplustronics. While much of this can be purchased online from overseas, we carry huge stocks right here in Auckland and your...

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