It is a bluetooth 5.0 dual channel decoder board.It is output through two channels.
1>.Bluetooth 5.0 communication
2>.AUX audio input and output
3>.Reserved microphone interface
1>.Product Name:Bluetooth 5.0 Dual Channel Decoder Board
2>.Bluetooth Version:Bluetooth 5.0
3>.Audio Input Method:Dual channel
4>.Audio Output Method:Stereo
5>.Audio Input:Support external audio input/LINE IN playback
6>.Expansion Interface:3P line interface RGL dual channel audio source output;MIC/microphone interface,support Bluetooth call
7>.LINE IN:External audio source input,3.5mm standard two-channel input jack
8>.AUDIO OUT:Audio source output,3.5mm standard two-channel output jack
9>.Bluetooth Receiving Distance:8 meters(There is no obstacle to block the receiving distance,and the Bluetooth performance of the mobile phone itself will also affect the receiving distance.)
4.Instructions for Use:
1>.Power on and turn on the Bluetooth mode.The LED light is flashing fast and it is waiting for the Bluetooth device to connect. If Bluetooth is not connected, it will automatically switch to LINE IN/source input mode later (source is connected).
2>.Bluetooth connection status.After Bluetooth is disconnected,it will automatically switch to LINE IN/source input mode (the source is connected).
1>.The power amplifier board has current sound and noise.
1.1>.The matching power supply filter is not good.
1.2>.The input signal quality is poor
1.3>.The input connection cable is of poor quality.
1.4>.The input is connected to other playback devices and some devices share the same power ground causing noise.
2>.The product has sound or there is no sound in 1 channel.
1.1>.The speaker is broken or the speaker cable is disconnected.
1.2>.The input cable is not properly connected.
3>.The volume is turned off and broken.
1.1>.Insufficient power supply
1.2>.The speaker itself is poor or damaged, and the speaker power is too small or too large.
1.3>.The left and right channel speaker outputs are independent and cannot be connected to each other.
4>.After the subwoofer amplifier volume is turned on,the speakers are broken.
1.1>.Insufficient power supply
1.2>.Whether the power of the speaker itself is too large or too small
5>.Amplifier board will burn
1.1>.The positive and negative poles of the power supply are reversed or the power supply voltage is too high,exceeding the limit working voltage of the board.
1.2>.If the board requires a DC power supply, the AC transformer power supply cannot be used directly (this type can only be used if it is converted to DC power by rectification and filtering).
1>.Homemade mini Bluetooth speaker
2>.Home voice automatic control
1>.1pcs Bluetooth 5.0 Dual Channel Decoder Board
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(2) Shipping time
Shipping time is 7-20 business days to most of countries; please view below table for exactly shipping time to your location.
7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries
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Total price of the order >= 200USD or Total weight of the order >= 2.2KG
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(2) Shipping Time & Delivery Time
Shipping time: 1-3 days
Delivery time: 5-10 working days (about 1-2 weeks) to most of countries.
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1) Delivery Time of mixed orders with items in different Shipping Status should be calculated using the longest estimate times listed.
2) Chinese Holiday Reminder: During annual Chinese holidays, services from certain suppliers and carriers may be affected, and delivery for orders placed around the following times may be delayed by 3 - 7 days: Chinese New Year; Chinese National Day,etc.
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