Fosi Audio ZK1002T Bluetooth Treble and Bass Adjustment Subwoofer Amplifier Board Channel Power Audio Stereo Bass AMP

$35.99 $34.99 -2%
Features:  The higher the voltage, the higher the current and the better the output power, it is recommended to use 18V19V24V power supply with a current above 3A. Commonly used speakers are generally 4 ohms...
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Overseas warehouse shipping 3-5 days, China warehouse shipping 7-15 days.
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  • The higher the voltage, the higher the current and the better the output power, it is recommended to use 18V19V24V power supply with a current above 3A.

  • Commonly used speakers are generally 4 ohms or 8 ohms, can not distinguish between positive and negative, the effect is the same.

  • Bluetooth mode is preferred, can be connected in either mode. As long as the Bluetooth connection is successful is Bluetooth mode, and Bluetooth mode support automatic connection. The BASS potentiometer in the middle is to control the BASS, the right BASS is enhanced, the left BASS is attenuated.

  • The TREBLE potentiometer on the left controls the TREBLE. the right TREBLE enhanced and the left TREBLE attenuated. The sound is distorted. Please change the adapter power supply with a higher voltage rating.

  • The input power is insufficient, and the power supply itself is intermittently powered off, please replace the power supply with larger power.If the output power is too large, the power amplifier board is seriously heated, and thermal protection occurs, reducing power usage or enhancing heat dissipation.   


  • Model Name: ZK-1002T

  • Product Name: 100W x 2 Bluetooth audio amplifier module with ToneBluetooth Version: 5.0 (no shielding, 10 meters)

  • SNR: >90 dB

  • Audio Input: AUX+ Bluetooth

  • Channel: 2.0 (stereo)

  • Chip Solution: TPA3116D2 (with AM interference suppression)

  • Power Range: DC12-24V/5A above (high power recommended high voltage)

  • Adapter Speaker: 20W-200W, 4-80Ω

  • Output Power:

    20W x @12V, 8Ω 35W x 2@12V,4Ω
    35W x 2@19V,8Ω 60W x 2@19V,4Ω
    50W x 2@24V,8Ω 100W x 2@24V,4Ω
  • Protection Mechanism: overvoltage, under-voltage, overheating, DC detection, short circuit protection
  • PS: If the audio input is enough, the supply voltage/current is enough, there will be enough output power! The higher the supply voltage, the greater the output power. The smaller the impedance of the speaker, the greater the output power! Please ensure that the power of the adaptor is greater than the actual working power of the amplifier
  • Type: Subwoofer Amplifier Board
  • Dimension: app.11x7x2.1cm/4.33x2.76x0.83inch

Package Include:

*ZK-1002T Stereo Bluetooth Power Amplifier Module x1

Worldwide Shipping

We can ship to any country or region in the world. Shipping is free worldwide, except for special regions/countries where we are unable to offer shipping, such as Ukraine.

1. Overseas warehouse delivery
2. China(Shenzhen) delivery

1. Overseas warehouse delivery

Overseas warehouse delivery: United States, Canada, United Kingdom, Germany, France, Italy, Netherlands, Portugal, Spain, Sweden and Hong Kong, Macau, Taiwan in China are free shipping for you.

Order processing time: All orders require 1 business day for preparation and packaging, excluding Saturdays and Sundays. Holidays will be extended according to China's legal time.

Pre-order products: The shipping date is based on the specific product labeling.

After shipment, you can track your order. To track your order, please click here.
United States, Canada, United Kingdom: 3-5 days.
Germany, France, Italy, Netherlands, Portugal, Spain, Sweden: 3-7 days.
Other countries:3-10 days.

Note: If there is a stock shortage in the overseas warehouse, the delivery time may be extended by 5-15 days. We will contact you via email, and you can also inquire with our customer service regarding the delivery status. 

2. China(Shenzhen), shipping worldwide via 4px.

Order processing time: All orders require 1 business day for preparation and packaging, excluding Saturdays and Sundays. Holidays will be extended according to China's legal time.

Pre-order products: The shipping date is based on the specific product labeling.

After shipment, you can track your order. To track your order, please click here.
Ships from China warehouse, standard shipping usually takes 5-15 days, fast shipping takes 3-7 days ($25 shipping fee applies)

Note: If there is a stock shortage in the China warehouse, the delivery time maybe extended by 5-15 days.
We will contact you via email, and you can also inquire with our customer service regarding the delivery status.

Not all products have stock in other warehouses. If you require urgent delivery from another warehouse, please confirm with us first. 
If your order does not display any shipping time, it is usually because you have purchased multiple products, each from a different warehouse, resulting in the inability to display the normal shipping time. It will default to 5-15 days. 
If you have any questions, please feel free to contact us.


European Union (EU) Countries:

For shipments from the China warehouse to EU countries: 

The final price you see on the official website includes taxes.This way, you don't have to pay the taxes yourself, saving you time and effort.
However, if you prefer, you can choose to pay the taxes yourself, and we will refund the taxes paid through our platform.

Other Countries:

The final price you see on the official website does not include taxes. Imported goods/services may be subject to taxes and are governed by local country/region laws. We do not collect any taxes or value-added taxes, nor do we assume any tax liability. 
If you have specific requirements, please contact us.

For countries with complex customs procedures, such as South America, we recommend ordering through AliExpress or finding a recipient in North America to assist with the shipment.

 Note: Remote addresses may experience longer delivery times and incur additional costs.

✓ 30 Days Free Return

At Fosi Audio, we always strive for the highest customer satisfaction. If you are dissatisfied with the product or if it has any defects, you can request a return or refund.

Within 30 days of purchase, for any reason whatsoever, undamaged products can be returned for a full refund. Once the returned items are inspected upon arrival at our warehouse, the refund process will be initiated.

Items must be in their original packaging. For non-quality related return requests, the buyer is responsible for the return shipping costs. Returns that do not meet the above requirements may be rejected.

We cover return shipping costs for the following situations:

  1. Defective parts.
  2. Damaged equipment.
  3. Incorrectly shipped items.

The 30-day period starts from the day you receive the item.

*If your order exceeds the 30-day free return period and it is still unopened, you may still apply for a return. However, you will need to bear the return shipping costs, and a 15% restocking fee will be charged. (This situation only applies to products purchased from

How can I initiate a return?

  1. Please contact Fosi Audio customer support to initiate the return. Explain the reason for the return and provide the invoice or screen capture to confirm the order number.
    customer support email:
    Phone: 00852-67645515
  2. Fosi Audio customer support will provide you with the return address within 1-2 days.
  3. To expedite the refund process, make sure to send the return notification to Fosi Audio customer support with the following information:
  • tracking number
  • shipping receipt (If shipping fee refund needed)
  • PayPal account (If shipping fee refund needed)

How long will it take to receive the refund?Once the returned items reach our warehouse, we will promptly process the refund. The refund will be made using the same method as your original payment. The processing time usually takes 3-5 business days.