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YEZIB DIY Electronic Fittings Challenge the lowest price bluet Challenge the lowest price of Japan ☆ TPA116D2 Two-channel Stereo

YEZIB DIY Electronic Fittings, TPA116D2 Two-channel Stereo bluet

$38

YEZIB DIY Electronic Fittings, TPA116D2 Two-channel Stereo bluet

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Product description

Colour:Black

-
Feature:
Product name: 50w * 2 Bluetooth 5.0 audio power amplifier module
Product model: ZK-502D
Bluetooth version: 5.0 (unobstructed, 15 meters)
Signal to noise ratio:gt; 95dB
Input method: USB + AUX + BLUETOOTH
Number of channels: left and right dual channels (stereo)
Amplifier chip: TPA116D2 (with AM interference suppression function)
Adaptable power supply: DC9-24V / 2A or more (the higher the voltage, the greater the output power)
Adapter speaker: 15 ~ 100W, 4 ~ 8Ω
Output power: 15w * 2 @ 12V, 8Ω / 30w * 2 @ 12V, 4Ω / 20w * 2 @ 19V, 8Ω / 40W * 2 @ 19V, 4Ω / 30w * 2 @ 24v, 8Ω / 50w * 2 @ 24v, 4Ω
Protection mechanism: overvoltage, undervoltage, overheat, DC detection, short circuit protection
Product size: 80mm * 77mm * 22mm
Product weight: 140g (including packaging)
Prompt:
Only when the audio input is sufficient and the power supply voltage / current is sufficient, will there be enough output power!
The higher the power supply voltage, the greater the output power, the smaller the speaker impedance, the greater the output power!
Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier!
Package includes:
1 x Audio Power Amplifier Board kit (The power adapter is not includes)
Question amp; Answer:
Q1. How to choose the power supply?
A: The power supply of the board is very important. The higher the voltage, the higher the current, and the greater the output power. If you only have 12V 1A, you can use a 3-4 inch speaker. If you are above 19V 5A, there is no problem with 8-10 inch speaker, the power supply must be highly valued. If the voltage is too low, the sound will be easily distorted after the sound is amplified. If the current is too small, the speaker will pull down the voltage, and will not work properly or the sound quality will deteriorate.
It is recommended to use 18V/19V/24V power supply, the c

YEZIB DIY Electronic Fittings, TPA116D2 Two-channel Stereo bluet

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