SKYSOUND ZK-TB21F Bluetooth Amplifier 2.1 Channel Amp Board 50Wx2+100W High Power Two TPA3116D2

💕Welcome to the SKYSOUND.💕✨Our product quality is very good, suitable for DIY speakers, car modification, etc.✨🚀Shipped within 24-48 hours after ordering.😄We support wholesale, contact us to chat.🎉Welcome everyone to purchase！📢 Wuzhi ZK-TB21F 📢2.1 Channel Bluetooth Audio Expansion Module📢Bluetooth Version5.0(No cover,10 meters)📢Input Sensitivity500mV📢Audio InputAUX+BT📢Channel2.1ch📢Chip SolutionTPA3116D2(With AM Signal Interference Protection)📢Power RangeDC 12-24V/5A Top Side(High power,high voltage recommended)📢Speaker Adapter20W-100W,4-8Ω📢Drive Power• Up to 50W at Channels R&L• Max 100W@Subwoofer⚠️Protection Mechanisms⚠️• Overvoltage• Undervoltage• Overheating• DC Detection• Short-Circuit Protection📐Product Dimensions120 mm * 100 mm * 20 mm📦Package Weight• Net Weight:205 g• Gross Weight with Packaging:260 g🔍Detailed Features✅Expandable Design:Supports connection to various audio sources and devices.✅High-Quality Sound:Delivers clear and powerful audio with a signal-to-noise ratio of 90dB and a distortion level of less than 0.05%.✅Versatile Power Supply:Compatible with a wide range of power supplies,ensuring flexibility in various setups.✅Robust Protection:Equipped with multiple protection mechanisms to ensure the safety and longevity of your audio equipment.✅Easy Integration:Can be easily integrated with existing audio systems,including karaoke boards and subwoofers.🧬Connection Methods🧬✅ Subwoofer Extension:Connect to a subwoofer or speaker driven by 15-35VDC.✅Adapted Qualcomm Bluetooth:Connect to a Qualcomm decoding board driven by 8-32VDC.✅Adding A Microphone Preamp Board:Connect to a microphone preamp board driven by 8-26VDC.❗❗❗Note• When using Extension Port 1 and Extension Port 2,you must remove the three 0-ohm resistors R75,R74,and R19.• Ensure that the power rating of the adapter is greater than the actual power consumption of the amplifier for optimal performance.📒Conclusion✨The ZK-TB21F 2.1 Channel Bluetooth Audio Expansion Module is a powerful and versatile addition to any audio system.With its high-quality sound,robust protection,and easy integration,it's perfect for enhancing your audio experience.Order now and enjoy a truly immersive audio experience!✨✨✨💕Feedback：1. Please kindly leave us a positive feedback (5 stars) , if you are satisfied with our items.🥰2.  If the product does not work or has problems, you can contact our store.😊3.  Please give us the opportunity to resolve any problem.😄