5pcs MP3 Bluetooth Decoder Board with Amplifier Wireless Audio Receiver Module For Transfer Speaker Modified Car
Eachine1
sku: 1550791
ACCORDING TO OUR RECORDS THIS PRODUCT IS NOT AVAILABLE NOW
$24.99
Shipping from: China
Description
Feature Support bluetooth version 4 2 3 7 5V power supply support automatic connection functionOn board stereo Class D power amplifier module maximum output 5W 5WCan be connected to two 4 6 8 3W 5W speakersParameter Power Supply 3 7 5VSNR 90dBTHD N 70dBCrosstalk 86dBDNR 91dBSupport A2DP AVCTP AVDTP AVRCP HFPLOS 15m5V USB power supplyUniversal Micro USB 5V power supply3 7 5V power supply padrealize external 3 7 5V lithium battery power supply modificationLED indicatorbluetooth mode blue light is on3 5mm audio interfacestandard 3 5mm interface output stereo sound source can be plugged into headphones connected to power amplifier and other equipmentLeft channel 5W output5W power amplifier output of the left channel of the decoder board connected to 468 3W 5W speakerRight channel 5W outputdecoder board right channel 5W power amplifier output connect 4 6 8 3W 5W speaker Precautions 1 The decoder board supplies 3 7 5V if it is higher than 5 5V the chip will be burned Do not reverse connect the positive and negative poles of the power supply The reverse will burn the chip 2 It is recommended that the DC power supply be 5V1A if the power supply is insufficient the speaker sound will be small When the power supply is seriously insufficient the speaker will make a dida sound even without sound 3 It is recommended to connect 2 channels of 4 ohm 3W 5W speakers if you connect 2 ohm speakers the power amplifier chip will heat up causing the chip to
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