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eBay Home Arduino Module Sensor Chips About Us Featue 1. It can be controlled by remote control to realize the volume control of the power on and off 2. Full-frequency speaker PU edge, silver-black diaphragm 40 magnetic 4 ohm 3W, cost-effective, clear sound quality 3. Interface 3.7-5V DC power supply to automatically play music, stereo power amplifier, support Bluetooth, support power-off memory, U disk to play music 4. The acrylic shell is made of 6 pieces of 3mm high-transparency acrylic spliced together. Exquisite and beautiful, you need to tear off the brown protective film before splicing 5. Very suitable for welding contact and DIY production teaching training Parameter Channel output: 2 channels Output power: 3w+3w Power supply voltage: DC 4.2-5V, if the voltage exceeds 5V, the module will be damaged Rated current: 1.5A-2A Wiring instructions: the white terminal is connected to the speaker and the red terminal is connected to the power supply Bluetooth operation: Turn on the Bluetooth of the mobile phone, you can scan the device directly, find the “XC 046 Click to connect. After disconnecting the bluetooth, it will automatically switch to the USB flash drive. Circuit function The red terminal of the bluetooth module is 5V power supply, the white terminal is 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 will move with the rhythm of the sound (the speed of the sound and the size of the sound. After the welding is successful, you can feel the wonderful melody combination of sound and light. Circuit principle: voice-activated LED melody The lamp circuit is composed of a power supply circuit, a microphone amplifier circuit, and an LED light-emitting indicator circuit. The power supply adopts 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 drives the LED to emit light. , the louder the sound, the higher the LED brightness, the faster the water flow. Notice All the parts need to be installed by yourself. The casing paper is torn off and it is transparent. The whole set of bluetooth speaker kit is equipped with uSB power cable, the bluetooth circuit board is welded, only need to connect the cable and assemble the sound control board to use, the power supply can be powered by a mobile phone charger or a computer 5V, using a current of 2A power supply for better sound quality . Reminder: Please strictly follow the product instructions. Improper use and wiring will cause the amplifier to fail to work normally or damage the amplifier. List: 1 x DIY parts Payment Shipping Refund Payment We accept PayPal only. But we only Accept your Ebay Address,Please Make sure it’s 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Fill your shipping info Refund All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can’t take a refund. If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
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