Mini Digital Amplifier Board Bluetooth Kit - USB powered
Volume Pricing
Highlights
- 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
- 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
- Paper Cone
- 4 Mounting Holes
- 100mm (4 inch)
- 4 ohm
- 2 watt
- Dia mounting holes 115mm
- 35mm deep
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 EAS3008 Speakers (4 Inch - 2W)
1 x USB A to Micro USB Male Cable 1.2m
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:
Precautions:
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
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