2 Channels Bluetooth-compatible Speaker 3W+3W Production Embly Electronic Welding Kit Teaching Practice DIY Electronic Kit

2 Channels Bluetooth-compatible Speaker 3W+3W Production Aembly Electronic Welding Kit Teaching Practice DIY Electronic Kit

Features:

1. It can be controlled by e control to realize the volume control of the switch.

2. Very suitable for welding connection and DIY production teaching and training.

3. Full-range speaker with PU side, sier-black diaphragm 40 ic 4 ohW, clear sound quality.

4. Interface 3.7-5V DC power supply to automatically play music, stereo power amplifier, support Bluetooth-compatible, support power-off memory, U disk to play music.

5. Acrylic shell is composed of 6 pieces of 3mm high transparency acrylic spliced together. Exquisite and beautiful, the brown protective film needs to be removed before splicing.

Specification:

Output power: 3w+3w

Rated current: 1.5A-2A

Channel output: 2 channels

Power supply voltage: DC 4.2-5V, voltage 5V exceeding will damage the module

Wiring instructions: connect the white terminal to the speaker and the red terminal to the power supply

Bluetooth-compatible operation: Turn on the Bluetooth-compatible of the mobile phone, scan the device directly, and find "XC

046 Click to connect. After disconnecting Bluetooth-compatible, it will automatically switch to the USB f drive.

Circuit:

The red terminal of the Bluetooth-compatible module is 5V power supply, the white terminal is for the left and right channels of the speaker, the red wire is positive +, and the black is negative -. With the sound of music or other sounds, the LED lights follow the rhythm of the sound (the speed of the sound fes and moves. After the welding is succeful, you can feel the beautiful melody combination of sound and light. Circuit princle: voice-activated LED melody The lamp circuit is composed of a power supply circuit, a microphone amplifier circuit, and an LED light indicator circuit. The power supply uses two batteries. The MIC converts the sound signal into an electrical signal, which is coupled to Q1 through C2 for amplification, and the amplified signal is sent to U1 and U1 pushes the LED to emit light , The louder the sound, the higher the brightne of the LED, the faster the water flow.

Notice:

1. All parts need to be installed by yourself, and the outer cover is transparent if the paper is torn off.

2. Please strictly follow the product instructions to use, incorrect use and wiring will cause the amplifier to fail to work normally or damage the amplifier.

3. The whole set of bluetooth-compatible speaker kit is equped with uSB power cord. The bluetooth-compatible circuit boards are all welded. You only need to connect the wire and aemble the sound control board. The power supply can be powered by a mobile phone charger or a computer 5V. The sound quality is better when using a current of 2A. .

Package list:

DIY parts*1

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

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