Brand: ARRAROWN

<b>Features:<b><br> <br> 1. Bluetooth+AUX audio input, 2.1 channel stereo output, just a little sound distortion.<br> 2. You can directly adjust the treble and bass.<br> 3. AMP module has AM interference suppression function, shielding cover power inductor, low noise front stage operational amplifier,<br> you will enjoy a more perfect sound quality experience.<br> 4. Audio amplifier board with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection.<br> 5. The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions.<br> Use occasion: This 50W+50W dual-channel bluetooth audio amplifier board is widely use indoor and outdoor, <br>such as family, party, bar, band, concert,Carnival etc.<br> <br> <b>Specifications:</b><br> <br> Product name?2.1 Channel bluetooth audio subwoofer amplifier module with treble and bass control<br> Product model?ZK-TB21<br> Version: Bluetooth 5.0 (10 meters if unobstructed) <br> Input Sensitivity: 500mV<br> Signal to noise ratio:>90dB<br> Audio Input: Bluetooth+AUX<br> Channel: 2.1 <br> Chip: TPA3116D2 (AM interference suppression function)<br> Adapted speaker: 20-100W,4-8?<br> Power Range: DC12-24V/ above 5A (High power recommended high voltage)<br> Output Power:<br> 50W*2 @R&L channel<br> Max100W@Subwoofer<br> Product size: 4.72in*3.94in*0.7in<br> Package Weight: 5.43oz<br> <b>Notice:</b><br> 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. <br> 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.<br> <br> Package Including:<br> 1 x Audio amplifier module with 3 buttons<br> 1 x Screwdriver<br> 2 x Shell<br> 5 x Button<br> 4 x Gold Nut<br> 4 x Gold Screw<br> 8 x Black Screw<br>

• Subwoofer Audio Amplifier Board: 50W+50W+100W Bluetooth 5.0 wireless connection, Bluetooth+AUX audio input, 2.1 channel stereo output, just a little sound distortion. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected
• Treble and Bass Adjustment: This digital Amp board with independent treble and bass adjustment buttons,you can directly adjust the treble and bass through the module, without using the player or speaker
• Perfect Sound Quality Experience: The audio power subwoofer amplifier module with powerful chip, AM interference suppression function, shielding power inductance, low noise front stage operational amplifier, let you enjoy a more perfect sound quality experience
• With Protective Function: This Bluetooth Amp module is designed with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it
• Easy Installation and Use: The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions. Small size: 4.72 in*3.94 in*0.7 in, easy to carry

Model: ZK-TB21
Color: Black1 ZK-TB21