1. Bluetooth+AUX audio input, 2.0 channel stereo output. 2. You can directly adjust the treble and bass. 3. AMP module has AM interference suppression function, shielding cover power inductor, low noise front stage operational amplifier, you will enjoy a more perfect sound quality experience. 4. Audio amplifier board with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection. 5. The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions. Use occasion: This 100W+100W dual-channel bluetooth audio amplifier board is widely use indoor and outdoor, such as family, party, bar, band, concert,Carnival etc.
Specifications:
Product name：2.1 Channel bluetooth audio subwoofer amplifier module with treble and bass control Product model：ZK-TB21 Version: Bluetooth 5.0 (10 meters if unobstructed) Input Sensitivity: 500mV Signal to noise ratio:>90dB Audio Input: Bluetooth+AUX Channel: 2.1 Chip: TPA3116D2 (AM interference suppression function) Adapted speaker: 20-100W,4-8Ω Power Range: DC12-24V/ above 5A (High power recommended high voltage) Output Power: 50W*2 @R&L channel Max100W@Subwoofer Product size: 4.72in*3.94in*0.7in Package Weight: 5.43oz Notice: Adequate output power is required when the audio input is sufficient and the power supply voltage/current is sufficient, the relative power will be higher. Different impedance horns will have different output power.In the case of sufficient voltage and current, the larger the impedance horn, the smaller the relative sound power.
Package Including: 1 x Audio amplifier module with 3 buttons 1 x Screwdriver 2 x Shell 3 x Button 4 x Gold Nut 4 x Gold Screw 8 x Black Screw 1 x DC Line
Powerful 2 Channel Amplifier with Subwoofer Support: Deliver powerful, high-fidelity audio with 100W + 100W stereo output. This versatile Bluetooth amplifier features Bluetooth 5.0 and AUX inputs, making it a perfect bluetooth amplifier for speakers or a compact mini amp for DIY projects. Note: Please disconnect Bluetooth before using AUX mode Precision Sound Control with Bass & Treble Knobs: Easily fine-tune your sound directly on this mini bluetooth amplifier with dedicated knobs, no need to adjust your source device. Get the perfect audio balance for any use HiFi Performance with Premium Audio Components: This high-performance amplifier board is built with dual TPA3116D2 chips and advanced shielding for crisp, distortion-free sound. Enjoy premium audio from this powerful bluetooth amp anywhere Comprehensive Protection & Durable Housing: This reliable bluetooth amplifier board features over-voltage, short-circuit, and overheating protection. The included protective case makes this amp board durable and safe for any DIY installation DIY-Friendly Mini Amplifier with Clear Labels: All ports on this bluetooth board are clearly labeled for effortless setup. Its compact size makes this bluetooth mini amplifier ideal for integration into small spaces or portable projects