Bring Bluetooth audio into your DIY speaker project with the ZK-TB21S 2.1-channel amplifier board. Designed for a stereo-and-subwoofer setup, this module is a component for a custom audio build rather than a complete speaker system.
Product details
- Model: ZK-TB21S, National Core Edition.
- Bluetooth audio amplifier board.
- 2.1-channel configuration for stereo audio and a subwoofer.
- Condition: new.
- Origin: Mainland China.
Before installation
Confirm the board's voltage, current requirements and supported speaker impedance using the model-specific documentation before connecting it. These electrical ratings are not specified in the supplied listing text and should not be assumed from other amplifier models.