ZK-TB21F Amplifier Board Module for Enhanced Audio Versatility Subwoofer & Mic Preamp for Rich, Diverse Experiences

Features:<br>Elegant Design: Features exquisite aesthetics and a beautifully arranged layout of components.<br>Comprehensive Safety: Equipped with multiple protection mechanisms, including overvoltage, undervoltage, overheating, branched current detection, and short circuit protection, ensuring safe operation.<br>Flexible Potentiometer Separation: Allows for easy use, unconstrained by case spacing, enhancing user convenience.<br>Premium Amplification: Incorporates a high-quality TPA3116D2 amplifier chip with AM interference suppression, delivering superior audio quality.<br>Enhanced Versatility: Supports subwoofer expansion and the addition of a microphone preamp board, enabling more rich and diverse audio experiences.<br><br>Specifications:<br>Product name: 2.1 channel Bluetooth amplifier board module<br>Product model: ZK-TB21F<br>Bluetooth version: 5.0 (Unobstructed, 10 meters)<br>Input sensitivity: 500mV<br>Input mode: AUX+Bluetooth<br>Number of channels: 2.1 channels<br>Power amplifier chip: TPA3116D2 (With AM interference suppression function)<br>Power supply: DC12~24V/5A or more (The higher the voltage, the higher the output power)<br>Applicable speakers: 20~100W, 4~8Ω<br>Output power: Left and right channels ≤ 50W, subwoofer ≤100w<br>Protection mechanism: Over-voltage, under-voltage, overheating, DC detection, short-circuit protection<br>Size: As pictures show<br><br>Note:<br>To maximize output power, ensure that both the audio input and power supply voltage/current are sufficient. Additionally, keep in mind that a higher power supply voltage and lower speaker impedance will directly increase the output power. Importantly, ensure the adaptor power supply's rating exceeds the amplifier's actual working power requirements.<br><br>Package Included:<br>1 x Amplifier Module Kit