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ZK-4KX CNC DC-DC Buck Boost Converter Module CC CV 0.5-30V 4A Adjustable Step Down Up Voltage Regulator

$23.38
Features1. Made of high quality material, solid, durable and strong conductivity. 2. Large LCD can display input/output voltage, output current/output
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ZK-502L Bluetooth 5.0 12/24V Wireless Stereo Audio Digital Power Amplifier Board 50Wx2 Bluetooth Amp Amplificador, with Shell

$5.83
Features1. The potentiometer adjusts the volume with a switch for easy control of the volume, making it good for DIY
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ZK-502L Bluetooth 5.0 12/24V Wireless Stereo Audio Digital Power Amplifier Board 50Wx2 Bluetooth Amp Amplificador, without Shell

$5.20
Features1. The potentiometer adjusts the volume with a switch for easy control of the volume, making it good for DIY
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