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ZK-502C HIFI Wireless Bluetooth 5.0 TPA3116 Digital Power Audio Amplifier Board 50W X 2 Stereo AMP Amplificador, ZK-502C With Shell, ZK-502C Without Shell

ZK-502C HIFI Wireless Bluetooth 5.0 TPA3116 Digital Power Audio Amplifier Board 50W X 2 Stereo AMP Amplificador, ZK-502C With Shell, ZK-502C Without Shell

Product form

1. Chip solution: TPA3116D2 (with AM interference suppression function)2. With or without filter: Yes (the sound is more mellow and... Read more

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    Description


    1. Chip solution: TPA3116D2 (with AM interference suppression function)
    2. With or without filter: Yes (the sound is more mellow and clear after filtering)
    3. Adapted supply voltage: 5~27V
    4. Adapted speakers: 30W~200W, 4ohms, 8ohms
    5. Number of channels: left and right dual channels (stereo)
    6. Bluetooth version: 5.0
    7. Bluetooth transmission distance: 15 meters (unobstructed)
    8. Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection
    9. Tip: Only when the audio input is sufficient and the power supply voltage/current is sufficient, there will be sufficient output power. The higher the power supply voltage, the higher the relative power, and speakers with different impedances will have different output powers. In the case of sufficient voltage and current, the greater the ohms of the speaker, the lower the relative sound power, please pay attention!
    10. Power supply voltage:
    -12V ------ 8 ohm speaker/12W (left channel) + 12W (right channel), 4 ohm speaker/20W+ 20W
    -15V ------ 8 ohms/18+ 18W, 4 ohms/more than 30 + 30W
    -19V ------ 8 ohms/32 + 32W, 4 ohms/more than 45 + 45W
    -24V ------ 8 ohms/38 + 38W, 4 ohms/more than 55 + 55W


    Specification:
    Package Weight
    One Package Weight 0.12kgs / 0.25lb
    One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 1.97inch
    Qty per Carton 100
    Carton Weight 13.00kgs / 28.66lb
    Carton Size 52cm * 52cm * 32cm / 20.47inch * 20.47inch * 12.6inch
    Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs
    40HQ: 715 cartons * 100 pcs = 71500 pcs

    Specifications

    • Product Assurance: Quality Standards

    Pros and cons

    • Sustainably produced
    • Ideal for everyday use

    Returns & Delivery

    When will my order be delivered?

    At Mira Sales, we provide accurate delivery estimates based on your address and the chosen carrier. To view your expected delivery date, please add the product to your cart—your exact options will appear instantly.

    How are delivery times calculated?

    We work with multiple trusted carriers. Delivery estimates are based on:

    • Your shipping address
    • Carrier availability in your region
    • The shipping service you select (standard, express, priority, etc.)

    Processing time, usually 1–2 business days

    Customs clearance for international orders (if applicable)

    Our system automatically shows you the best estimated arrival date before checkout.

    Do you offer tracking?

    Yes. Every order includes a tracking number once it is dispatched. You’ll receive it automatically via email or SMS (if provided). Tracking updates allow you to see each step of your order’s journey.

    Can I return my product?

    Yes, you can return your product. At Mira Sales, we want you to feel confident and satisfied with your purchase. If an item arrives damaged, faulty, or not as described, we will happily offer a replacement or refund. Contact our support team via support@mirasales.com

    To speed up resolutions, we kindly request that you provide photo or video evidence of the issue.

    What can I do if my item (or part of it) is damaged?

    At Mira Sales, we want every order to arrive in perfect condition. If your item—or any part of it—arrives damaged, we will resolve the issue quickly and fairly.

    Eligibility for Returns

    You may request a return if:

    • The product arrives damaged, defective, or not working
    • You receive the wrong item
    • The item is not as described on our website

    To process your return quickly, we may ask for a photo or video showing the issue.

    Do I Need to Return the Item?

    In most cases, you will not need to return the damaged item, especially when photo/video proof is sufficient.

    If a return is required, Mira Sales will provide clear instructions and, when applicable, a prepaid return label.

    We’re Here to Help

    Our goal is to resolve all damage-related issues quickly, fairly, and with minimal inconvenience to you.

    You may contact us anytime at: support@mirasales.com

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