DROK

DROK 48V Power Supply, AC 110V/220V to DC 0-48V 10A 480W Buck Converter Dual Display, Variable Adjustable Transformer Regulated 5V 12V 24V 30V 36V 48V Volt Switching Voltage Adaptor 10A Amp Charger.

DROK DC Motor Driver L298 Dual H Bridge Motor Speed Controller DC 65V27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module Industrial 160W with Optocoupler Isolation

DROK Class AB Amplifier, 2. 1 Channel 80W80W Stereo and120W Pure Bass 9-18V 4ÃŽ© Audio Amplifier Board.