ZK-MT21 100W+2*50W 2.1 Channel Digital Audio Power Amplifier Module Subwoofer AUX Blue tooth 12/24V Stereo Amp HiFi for Speaker

$4.85

TZT XH-M139 TPA3116D2 2x 50W +100W 2.1 Channel Digital Subwoofer Power Amplifier Board TPA3116*2 3 Channels DC 12-24V

$3.56

XY-301W Mono 30W Bluetooth Digital Audio Amplifier Board TWS True Wireless Box Connection Stereo

$3.71

5W MINI Audio Power Amplifier Board 3-5V XH-M125 XPT8871 Mono Amplifier Module Audio DIY Amplifiers Kit

$0.20

DC 12V PWM Speed Controller Fan Speed Governor 4 Wire Computer Temperature Control Switch For PC Cooler Fan

$0.88

CNC Power Supply 433M Wireless Remote Control Module To Serial Port Digital Keyboard Control

$2.02

DC 5V Miniature Bluetooth Amplifier Board PAM8403 Class D Audio Amplifier 2.0 Channels 5W+5W Stereo Adjustable Volume

$0.96

DC6.5-50V 25A 300W BLDC Three Phase DC Brushless Motor Controller PWM Without Hall Sensor Hall Motor Control Drive Board

$5.46

Q100H Qualcomm APTX Bluetooth audio amplifier 2.1 channel 50W * 2+100W amplifier TPA3116 subwoofer

$19.10

HT21MAX upgraded 2.1-channel Bluetooth amplifier board 200W * 2+400W high and low frequency adjustment TPA3223

$20.62

MP3 voice player module UART serial port control intelligent voice broadcast compatible with electronic building block music SP5T

$1.90

MP3 voice player module UART serial port control intelligent voice broadcast compatible with electronic building block music SP5F

$2.05

Serial MP3 voice chip module Single-chip control triggers voice broadcast TF card custom audio ST5B

$1.90

Serial port control MP3 voice chip module MCU control trigger voice broadcast custom audio SF5A

$1.90

Serial MP3 voice chip module Single-chip microcomputer control triggered voice broadcast custom audio CX1000BM

$0.50

Serial port MP3 voice chip module Single-chip control triggers voice broadcast custom audio CX1000AM

$0.50

PWM Computer Chassis Violent Fan Speed Controller 9-way High-power Fan Hub Controller Noise Reduction SATA Graphics Card

$2.20

TWS Bluetooth 5.3 Power Amplifier Board 5W+5W 3.7V 5V Miciro USB True Wireless Stereo Module for Car Home Speaker Subwoofer DIY

$1.11

GY-NEO6MV2 NEO-6M Module NEO6MV2 MWC APM2 APM2.5 Antenna For Arduino Board

$1.90

Nema17 Stepper Motor 1.8° 17HS4401 1.5A 42N 38MM 2-Phase 4-Lead For CNC Roter Laser Engraving Machine 3D Printer Part XH-2.54

$2.50