: It can be integrated into older vehicle systems to add Bluetooth and USB functionality.
: Supports Bluetooth wireless streaming, USB drives, SD cards, and an Auxiliary (AUX) jack for wired connections. Xfd-113-69d V1.2
: It serves as a direct replacement part for repairing broken or water-damaged TG113 speakers, which are common in the budget portable audio market. Market and Availability : It can be integrated into older vehicle
: Includes an inbuilt sound sensor (microphone) that facilitates both voice recording and hands-free Bluetooth calling. Market and Availability : Includes an inbuilt sound
: Standardized with push buttons for volume adjustment, track skipping, and mode switching.
is a "rare weapon" for hobbyists and DIY enthusiasts. Because it can drive a normal speaker directly without an external amplifier, it is frequently used to:
: DIY builders use the board to create high-bass portable audio units, often pairing it with a TP4056 charging module for better battery management.