Bluetooth 4.1 Audio Receiver Module 10 pcs with Micro USB Connector Decoder Boards 30 x 30 mm Jack 3.5 mm Power 3.7 to 5 V Red DIY
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In the package, you will receive ten identical wireless audio receivers. Each of them is a small electronic board that adds Bluetooth to older speakers, amplifiers, headphones, or home audio systems. The module operates with Bluetooth 4.1 technology and is powered via the Micro USB connector. A phone, tablet, or laptop pairs with it just like a regular wireless speaker, and music is then played directly to the connected device. The board measures 30 x 30 mm, making it suitable for smaller enclosures or inside a speaker. The kit is ideal for DIY enthusiasts who want to equip a larger number of devices at once, prepare materials for a workshop or club, and have enough spare modules.
The sound comes from the stereo 3.5 mm jack socket, into which you can connect headphones, active speakers, or the AUX input of an amplifier. Next to the socket, there are also soldering pads on the board for the left and right channels, allowing the output to be wired directly to the amplifier's input. Power is supplied via a standard cable with a Micro USB connector, similar to those previously used with most Android phones, so an older charger is also suitable. For permanent installation, there is a solder pad BAT for an external lithium cell with a voltage of 3.7 V. The module operates with a power supply voltage of 3.7 to 5 V, and a blue LED indicates the connection.
- Type – Bluetooth audio receiver and sound decoder in the form of a board
- Bluetooth Version – 4.1
- Supported Profiles – A2DP, AVCTP, AVDTP, AVRCP, and HFP
- Range – 15 m in direct line of sight
- Power Supply – Micro USB 5 V or solder pad for 3.7 V lithium cell
- Power Supply Voltage – 3.7 to 5 V
- Audio Output – stereo 3.5 mm jack and solder pads for left and right channels
- Signal-to-Noise Ratio – 90 dB
- Dynamic Range – 91 dB
- Total Harmonic Distortion THD+N – -70 dB
- Crosstalk – -86 dB
- Indication – blue LED in Bluetooth mode
- Dimensions – 30 x 30 mm
- Board Colour – red
- Number of Pieces – 10 identical boards
- Package Contents – 10 Bluetooth audio receiver boards of the same design without cables and casing
The module is supplied as a bare board without a casing, so protect it from moisture, dust, and short circuits during installation. It is advisable to secure the board using the mounting holes in the corners and ensure that the underside does not touch any metal parts. The antenna is printed directly on the board, so do not cover it with metal, as this may reduce the range. When soldering power and audio wires, proceed carefully and observe the correct polarity.
A wireless receiver with a Micro USB connector in a pack of ten pieces is a practical solution for getting music from a mobile device to several devices that do not have Bluetooth. Thanks to its compact size and power supply via Micro USB or battery, it can be easily integrated into home projects. The output via the 3.5 mm jack can connect headphones and amplifiers, and the solder pads allow for a solid connection. The board in red with a range of 15 m is suitable for repairing old radios, teaching in clubs, creating custom speakers, and other DIY projects.
Delivery
Delivery to address€1.99
Estimated delivery: 23 November – 4 December
Shipped from China
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Returns and Exchanges
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Returns30 days to return without giving a reason
Withdrawal period30 days from receipt of the goods
Deadline to send the goods backWithin 14 days of withdrawing from the contract
Return shipping costsYou pay the postage for sending the goods back to Spain. With An Post (Standard Post), returning a parcel of up to 2 kg to Spain costs about €30. We charge no other fee.
RefundWithin 14 days of your notice of withdrawal, using the same payment method you used for the purchase. If you return the whole order, we will also refund the delivery cost.
Crediting of the amountUsually 2–10 working days, depending on the payment method
Product conditionYou may unpack the goods and try them as you would in a shop, and you can return them even without the original packaging
Returns addressQX-BOX AEMALL RETURN
Rotonda Rene Descartes, Parcela 101 – Nave 3
28070 Alcala de Henares, Madrid
SpainReturns centre in Spain operated by Qxbox, an e-commerce logistics provider and logistics partner of the sellers on our platform.
How do I return goods?
- Email us at info@lunzo.ie with your order number and the items you are returning.
- Pack the goods and send them by post to the returns address in Spain.
- Send us the proof of dispatch with the tracking number – this lets us refund you without waiting for the parcel to arrive.
Faulty goodsUp to 6 years to claim for faulty goods
Did the goods arrive damaged, do they not work, is something missing from the parcel or do they not match the description? We will sort it out.
Period for claiming a faultUp to six years from delivery of the goods
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How does it work?
- Email us at info@lunzo.ie with your order number and a description of the problem, and attach photographs or a video.
- We will assess it and suggest a solution. Photographs are usually enough – please do not send the goods back until you have received instructions from us.
- We will settle your claim within 30 days at the latest – with a new item, a price reduction or a refund.
If the goods need to be sent back, we will refund the postage for a valid claim (just provide the receipt).
ExchangesA different size, colour or variant
Write to us within 30 days of receipt at info@lunzo.ie with your order number and the variant you are interested in. We usually reply within 24 hours.
If the variant is available, we will send you instructions for the exchange. You pay the cost of sending the original item back; the new variant will be sent to you at no further charge.
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About the seller
This product is sold and shipped by an external seller. LUNZO guarantees you a safe purchase: online payments go through a secure payment gateway, and you handle your order, returns and complaints with us.
The following information has been provided by the product seller, who is responsible for its accuracy. The seller acts as a trader.
Seller:
Yongkang Yongchang Electric Tools Co., Ltd
Address: West side, 3rd Floor, No 27, Zerong Road, Dahou Village, Tangxian Town, Jinhua City, Zhejiang, China
E-mail: 297288217@qq.com
Telephone: +86 135 6007 1153
Manufacturer:
Yongkang Yongchang Electric Tools Co., Ltd
Address: West side, 3rd Floor, No 27, Zerong Road, Dahou Village, Tangxian Town, Jinhua City, Zhejiang, China
E-mail: 297288217@qq.com
Telephone: +86 135 6007 1153
EU responsible person:
EU Consulten Srls
Address: Via Varesina 55, 20156 Milano, Italy
E-mail: Eu-consultenSrls@hotmail.com
Telephone: +39 328 583 2654
All products from this seller