Mini Digital Amplifier Board Bluetooth Kit - USB powered

Ready to Build

Product Code: MOD0540K1

$17.50

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Albany Low Stock - call to confirm

Note : Micro USB Module is used as a power supply

 

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

Includes

1 X MOD0540 Amp module

2 x SP1005 Speakers (2 inch - 0.5W)

1 x USB A to Micro USB Male Cable 1m

 

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.

Description:

  • 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: 3.7-5V DC
  • Output Power: 5W+5W (4ohms)
  • SNR: 90dB
  • Efficiency: >90%
  • Max. Closed Loop Gain: 24dB
  • Wire Length: Approx. 18cm (short), 28cm (long)
  • Size - 40mm x 20mm

Precautions:

  • Do connect the polarity correctly, and supply voltage must be 5V or under
  • 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

 

Module details:

 

Description:

This product is a stereo Bluetooth amplifier module. The Bluetooth version is 4.2.

Features:

The version is 4.2. It can be compatible with all mobile phones and Bluetooth adapters on the market.
- The distance is 15 meters in open space.
- It supports automatically connecting devices that have been paired and playing music automatically.

- Can be powered vid the micro USB port or battery terminal inour max 5 Volt
- F class power amplifier 5W+5W, high power output, over 8002 sound quality.
- Good sound quality

Instructions:
- Support USB sound card, free drive, plug and play (normal lithium battery power supply situation).
- This product has dual 5W power amplifier circuit.
- Maximum working current is 5V 2A, using 5V 2A or more voltage power supply, sound quality will be better.
- Circuit can charge a 3.7-5V lithium battery (the lithium battery needs a protective plate! It can charge a lithium battery with a USB rechargeable battery, and the USB port can not be used as a power supply port.) or a 5V adapter be used for power supply.
- When the Bluetooth board is installed, the antenna should not be close to the metal parts so as not to affect the transmission distance.

Operation:
      Start the cell phone Bluetooth, scan the device, find the "DW-CT14+" to click connection.

 

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