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Zk-502C Bluetooth 5.0 Amplifier Board,100W Audio Amp Board Dual Channel Dc8-24V,

Item Description

Specification: Input Mode: Bluetooth / AUX Work Voltage: DC 5V-24V (Above 2A) Channel: 2 CH Stereo Output Bluetooth Version: Bluetooth 5.0 Bluetooth Transmission Distance: 50 Ft MAX Power Output: 50W x 2 Terminating Impedance: 4 - 8 Ohm Match Speaker: 50 - 200 watt Work Humidity: 0%~95%RH SPECIFICATIONS —Work Voltage:DC 9V-24V Above 2A is recommended —Communication distance:15meter(Without obstacles) —Match speaker(30W~100W): — Tip: 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 of the speaker will have different output power.In the case of sufficient voltage and current, the larger the impedance of the speaker, the smaller the relative sound power, please pay attention! How to connect the speaker? Step1-Use the screwdriver to loosen the speaker terminals on the amplifier. Step2-Insert the speaker wires. Step3-Install the screws to secure the speaker wires Package Includes: 1. ZK-502C Stereo Bluetooth Power Amplifier Module * 1 2. Acrylic shell * 2 3. 12mm Copper column * 4; 4. 8mm Screw * 8 5. Steel nut, screw mat * 1 6. 20cm power cable * 1; 7. Screwdriver * 1 8. Knob * 1; 9. Heat sink * 1 NOTE: 1.The power amplifier board should be as far away as possible from the WIFI signal (router) avoid signal interference. 2.Remove the film from the heat sink and attach the heat sink to the chip. 3.Recommended power supply voltage DC 9~24V. 4.It is recommended to use a power supply of 2A or higher. 5.Please don’t use too long wires to avoid signal interference. 6.It is recommended to use a speaker above 50W to avoid speaker damage.

  • 【Adopt TPA3116D2】 With AM interference suppression function chip, with excellent sound quality. It ensures that even with high power operation for a long time, THD is less than 0.1%
  • 【Power Supply】2CH Stereo output power 50watt * 2, working voltage range DC5-27V, for 4-8Ω, 50-200watt passive speakers.It is recommended to use a DC15V-24V power adapter with a current above 2A
  • 【Bluetooth &AUX INPUT】Support 3.5mm wired input and Bluetooth 5.0 input. Bluetooth signal distance up to 49ft. With volume control and power switch, Ideal for DIY your passive speakers
  • 【Reverse Polarity Protection】This Bluetooth amplifier board has a bottom plate and a top plate, support reverse connection protection, Over-voltage protection, under-voltage protection, Over-heat protection, Short-circuit protection
  • 【NOTE】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, Please Pay Attention!

    • Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. If you have any questions about this item, please contact us via messages before placing your order. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. All items are in stock at the time of listing however, in the unlikely and unforeseen event that we are unable to fulfill your order through any of our networked warehouses, we will notify you as quickly as possible and offer you a 100% refund on your purchase. Thank you for shopping with us. We appreciate your business!

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    We offer a 30 day return/exchange policy for most of our products. You can request a refund if you are dissatisfied for any reason with your product. (Restocking Fee May Apply). Only factory defects are accepted as a reason for a return. In the case of factory defects, if available, we will replace the product for you. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. You will be required to cover shipping on the return of non-defective items. All returns MUST be done within 30 days of date of purchase. Please note that we cannot give refunds or replacements after the 30 day limit has expired. When sending in a return, please note that it can take up to 7 business days for the return to be processed. We do our best to process as quickly as possible. We are extremely fair, and in the rare event of something out of the ordinary happening with our products or shipping, we will gladly work with you to find a fair resolution.