Features: 1. Bluetooth+Aux Audio Input, 2.1 Channel Stereo Output, Just A Little Sound Distortion. 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 50W+50W 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,4-8O 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 5 X Button 4 X Gold Nut 4 X Gold Screw 8 X Black Screw
⚠️ WARNING (California Proposition 65): This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Q: What are the dimensions of the Bluetooth audio amplifier board?A: The dimensions are four point seventy-two inches by three point ninety-four inches by zero point seven inches. This compact size makes it easy to install in various setups.
Q: What is the output power of the amplifier?A: The amplifier provides fifty watts per channel for the left and right channels and a maximum of one hundred watts for the subwoofer. This ensures powerful sound performance for your audio needs.
Q: What kind of audio inputs does this amplifier support?A: This amplifier supports both Bluetooth and AUX audio inputs. You can connect devices wirelessly via Bluetooth or use a wired connection through the AUX input.
Q: How do I install this Bluetooth audio amplifier?A: Installation is straightforward as the illustration of each interface is printed on the protective plate. This design allows for easy setup without needing extensive instructions.
Q: Can I adjust treble and bass on this amplifier?A: Yes, you can directly adjust treble and bass using the independent buttons on the amplifier. This feature allows you to customize your sound experience easily.
Q: Is this amplifier suitable for outdoor use?A: Yes, this amplifier is designed for both indoor and outdoor use. It's perfect for various occasions like family gatherings, parties, bars, and concerts.
Q: What protective features does this amplifier have?A: The amplifier is equipped with over-voltage, under-voltage, over-heat, and short-circuit protection. These features enhance safety and reliability during use.
Q: How do I ensure optimal performance from the amplifier?A: Ensure that the power supply voltage is sufficient, ideally between twelve to twenty-four volts with above five amps. This will help achieve higher relative power and sound quality.
Q: What is the signal-to-noise ratio of the amplifier?A: The amplifier boasts a signal-to-noise ratio greater than ninety decibels. This indicates high-quality sound with minimal background noise.
Q: What is the maximum distance for Bluetooth connectivity?A: The Bluetooth version is five point zero, allowing for a maximum connection distance of up to ten meters if unobstructed. This provides flexibility in positioning your audio source.
Q: Can I use this amplifier without instructions?A: Yes, the amplifier is designed for easy use, with labeled interfaces on the protective plate making it user-friendly even without instructions.
Q: What is included in the package with the amplifier?A: The package includes one audio amplifier module, a screwdriver, two shells, five buttons, and various screws and nuts for assembly. Everything you need for setup is provided.
Q: Does this amplifier have a warranty?A: Yes, the amplifier typically comes with a manufacturer's warranty. Please check with the seller for specific warranty details and duration.
Q: What should I do if the amplifier does not turn on?A: If the amplifier does not turn on, first check the power supply for adequate voltage. Ensure all connections are secure, and verify that the input source is correctly selected.
Q: Is there a risk of sound distortion with this amplifier?A: No, the amplifier is designed to have just a little sound distortion, ensuring a clear audio output. It provides a high-quality sound experience for users.