Fosi AudioFosi AudioFosi Audio

Fosi Audio DA2120C Bluetooth 2.1 Channel Amplifier Subwoofer DAC with Remote Control for Speakers With 32V 5A Power Supply


Shipping calculated at checkout.

✈️ Free Shipping 🗳️24 Months Warranty

Upgrade your speakers and subwoofer with a 120W@4ohm x2-channel amplifier, high-fidelity streaming music. Bluetooth 5.0 amplifier with aptX HD lets you stream music and stereo sound in crisp. With a... Read more

Out of stock

paypalvisaamerican expressapple paydiners clubdiscoverjcbmastervenmo
  • Upgrade your speakers and subwoofer with a 120W@4ohm x2-channel amplifier, high-fidelity streaming music.

  • Bluetooth 5.0 amplifier with aptX HD lets you stream music and stereo sound in crisp.

  • With a 6dBi high gain antenna for long-range streaming up to 65 ft(20m) in a complex wall structure.

  • With a world of input mode options, the DA2120C subwoofer amp is always getting satisfied on different occasions.

  • Built with multiple inputs of Bluetooth/USB/optical/coaxial/RCA, including a remote control that infrared adjust the inputs mode/volume/bass/treble/EQ/mute/loudness setting, etc.

    multiple input of Bluetooth amp
    Bluetooth 2.1 Channel Amplifier


    Specifications Details
    Model DA2120C
    Output Power 2 × 125W at 10% THD+N Into 4 Ω
    2 × 100W at 10% THD+N Into 6 Ω
    2 × 80W at 10% THD+N Into 8 Ω
    Frequency Range 20Hz - 20kHz (±1 dB)
    Bass frequency 20Hz-200Hz
    THD ≤ 0.01%
    SNR ≥ 105dB
    USB Chip Cmedia CM6642 SUPPORT 24bit/192Khz
    Amplifier Chip American TI TAS5352A
    Bluetooth Chip Qualcomm QCC3031 Bluetooth 5.0 chip supports aptX, aptX-HD, SBC, AAC
    DAC Chip American Cirrus CS8422 chip USB, coaxial optical fiber Supported sampling rate 24bit/192Khz
    Device Dimension L180*W130*H38mm (7*5*1.5in)
    System Supported XP/W7/W8/W10/MAC/Linux
    Power Supply 32V 5A

    What‘s in the box?

    Item Quantity
    DA2120C Amplifier x 1
    32V 5A Power Supply x 1
    Remote Control x 1
    USB Cable x 1
    Optical Cable x 1
    AC Cord x 1
    User’s Manual x 1


    You can also view other models:

    DA2120A+24V Bluetooth Amplifier 2CH 50WX2

    DA2120B+24V Bluetooth Amplifier 2CH 100W x2

    DA2120D+24V Bluetooth Amplifier 2.1CH 100W x2


      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 deliveryUnited 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.


      Shipping Method

      Standard Shipping (Free

      Fast Shipping ($25)

      United States


      1-5 days



      Canada Post

      3-5 days


      United Kingdom

      Royal Mail

      3-5 days


      Germany, France, Italy, 

      Netherlands, Portugal, 

      Spain, Sweden

      Other Shipping 

      3-7 days


      Hong Kong, Macau, Taiwan


      3-10 days


      Other countries

      Other Shipping 

      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.


       Shipping Method 

       Standard Shipping (Free

       Fast Shipping ($25)


      Other Shipping 

      5-15 days

      3-7 days


      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.

      For shipments from overseas warehouses to EU countriesNo taxes will be charged.

      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.

      Most goods are not subject to import taxes when shipped from warehouses in the United States, the European Union, or Russia to their respective countries.

      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.


      Not enough items available. Only [max] left.
      Add to WishlistBrowse WishlistRemove Wishlist
      Shopping cart

      Your cart is empty.

      Return To Shop

      Add Order Note Edit Order Note
      Estimate Shipping
      Add A Coupon

      Estimate Shipping

      Add A Coupon

      Coupon code will work on checkout page

      Fosi Audio DA2120C Bluetooth 2.1 Channel Amplifier Subwoofer DAC with Remote Control for Speakers With 32V 5A Power Supply