DROK Super Small 3W+3W DC 5V Audio Amplifier Handy Digital Power Amp Module Board Dual-Channel PAM8403 Stereo Amplifiers with Potentiometer for DIY Portable Speakers Headphones
Top notch potentiometer, easy and smooth to adjust the volume and control the power switch.
DROK Numerical Control Boost Converter
DROK DC 8V-60V to DC 10V-120V 15A Step Up Adjustable Voltage Current Regulator Automated LED CC/CV Power Supply Transformer Board Output Volt 48V 24V 12V Amp 15A
Display --- The boost converter is designed with 4-digit LED to display output voltage, current, power, capacity and other parameters. Also the board equipped with working indicators to show real-time working status.
DROK Class-D Amplifier Board
DROK Power Amp Module 15W+15W 2.0 Dual Channel Audio Amplifier DC 8V-26V 12V 24V PAM8620 Mini Digital Stereo Amplify Sound System Speaker DIY Circuit Chip with Power Adapter
MULTI-PROTECTIONS --- the digital amp board comes with input reverse connection protection, short circuit protection, over-heat, over-current, over-voltage, under-voltage, and EMI is allowed to pass.
DROK Power Amplifier Module
DROK 30W+30W Class AB Digital Audio Stereo Amp Board, DC 12V Dual Channel 2.0 TDA7377 Immersion Gold Car Speaker Amplify Chip with Case and Shielded Cable for Sound System DIY
PROTECTION --- input reverse connection protection; short-circuit protection; over-current protection; over-temperature protection.
DROK Class D Amplifier Board
DROK 15W+15W 2.0 Dual Channel Digital Audio Amp Module, PAM8620 DC 8-26V 12V 24V Mini Stereo Power Amplify Circuit for Sound System Speaker Electronic DIY
PROTECTION --- input reverse connection protection, short circuit protection, over-voltage protection, over-current protection, over-heat protection, under-voltage protection; EMI is allowed to pass.
DROK Amplifier Board
DROK Audio Amplify Module Dual Channel 30W+30W TDA7377 pro2 DC 9-18V 12V Class AB Immersion Gold Car Automotive Stereo Speaker Amp Board with Knob and Shielded Cable
Safe Protection: The stereo amp board is designed with input reverse connection protection, short-circuit protection, over-current protection, over-heat protection, which can protect your device perfectly and extend its service life.
DROK 090394 DROK 50A/75mV Amp Meter Ammeter 0-50A Shunt Resistors Resistance for DC Current Measure
Conversion Efficiency: 92% (the higher the input voltage, the higher the efficiency)
DROK Ultra Small Hi-Fi 10W+10W Dual Digital Audio Amplify Circuit Board Stereo AMP DC7.5-15V 12V 8 Ohm 20mA 2 Channels PC Class-D Module Audio Amplifier
The digital amplifier board is designed with Ultra small Size (404020mm), portable and easy to install
DROK Power Amplifier Board
DROK 30W+30W Dual Channel 2.0 Audio Amplifier Kit Class AB DC 12V Digital Stereo Amp Module TDA7377 Car Amplify Circuit for Speakers System DIY
FEATURES --- volume adjustment knob; noble black immersion gold circuit board; KEMET speaker capacitor, large-capacity filter capacitor for channels; black copper terminal blocks; gold-plated audio input terminal blocks.
DROK Stereo Amp Module
DROK Dual Channel 30W+30W Audio Amplifier Board TDA7377 DC 12V Class AB 2.0 Digital Auto Power Amplifier with Case for Car Speaker System DIY
SAFE PROTECTION --- power supply input reverse connection protection; short-circuit protection; over-current protection; over-temperature protection.