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$89.99 $84.99

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The Bluetooth Stereo Amplifier adopts performance 2pcs texas instrument TPA3116D2 amp chip, dual-channel max output power 50W x2 +100W to get clear audio sound, no pop, no audible noise, dead silent... Read more

Size: BT30D-B

  • BT30D-B
  • BT30D-S
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    • The Bluetooth Stereo Amplifier adopts performance 2pcs texas instrument TPA3116D2 amp chip, dual-channel max output power 50W x2 +100W to get clear audio sound, no pop, no audible noise, dead silent when nothing is playing through it;

    • Speakers full frequency output, By using the custom treble bass knob and adjustable 40-300Hz cutoff frequency for the subwoofer, you'll be able to get the best sound;

    • Supports wireless playback from Bluetooth devices, Bluetooth 5.0 wireless music streaming technology with external antenna make a transmission distance of more than 15m/49ft;

    • Full metallic shell to ensure high quality and durable, advanced circuitry design, built-in speakers protection circuit to ensure Hi-Fi clear and clean sound; With unrivaled sound for the customers who pursue HiFi sound;

    • Upgraded DC power outlet for safe use without sparks, included high quality 24V/4.5A power supply enough to drive most passive speakers and powered/passive subwoofer.

    BT30D Bluetooth 5.0 2.1 Channel Power Amplifier with Bass and Treble Control
    2.1 Channel Power Amplifier


    • Model: BT30D

    • Chippest: TPA3116D2

    • Maxpower Output: 50W*2+100W

    • THD: 0.05%@output 1W; SNR ≥98dB

    • Working Voltage: 12-24V

    • Speakers Frequency Response: 20Hz-20kHz(±3dB)

    • Bass Cutoff Frequency Range Adjustment: 20-200Hz

    • Impedance: 2-8 Ohms

    • Device Dimension: L118 x W132 x H35 mm/4.72 x 5.2 x 1.38inch

    • Input mode: Bluetooth/RCA

    • Output mode: Passive Speakers + Passive/Active Subwoofer

    • Bluetooth: Bluetooth 5.0, up to 15m/49ft wireless range without hindrance

    • Easy Connection

    • Bluetooth Network Name: FOSI AUDIO

    • Wireless Range: Up to 15m/49ft.

    • Works with All of Today’s Latest Bluetooth Devices(IOS, Android, Smartphone, Pad, Tablet, etc).

    Package Include

    • Fosi Audio BT30D Amplifier x1

    • 24V 4.5A Power Supply x1

    • User Manual x1


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    Worldwide Shipping

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

    Note: Due to the impact of the epidemic, the Chinese warehouse will deliver within 7 days, and the overseas warehouse will deliver the goods normally. Sorry for the inconvenience!

    1. 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, it needs 1-10 days.

    Free Shipping Free 1-10 days

    Note: Some products are out of stock in overseas warehouses, the time limit may be extended by 5-20 days, you can consult customer service in advance, sorry for the convenience. Hong Kong, Macau, Taiwan in China will ship from Shenzhen via 4px.

    The United States, shipping to United State via USPS/UPS, which needs about 1-5 days for delivery.

    Canada, shipping to Canada via Canadian Post, which needs about 3-5 days for delivery

    The United Kingdom, shipping to the United Kingdom via Royal Mail which needs about 3-5 days for delivery.

    Italy, shipping to EU Countries via suitable shipping method, which needs about 3-7 days for delivery.

    Spain, shipping to EU Countries via Correos to Spain, to other EU Countries via Spain GLS, which needs about 3-5 days for delivery.

    2. China(Shenzhen), shipping worldwide via 4px.
    if you choose standard shipping, it needs about 15-30 days for delivery.

    if you choose fast shipping, we will send it via express shipping for you, which only needs about 7-15 days.

    Standard Shipping Free 15-30 days
    Fast Shipping $25 5-15 days

    All the items you can buy are in stock in a Chinese warehouse, but not all the items are in stock in other warehouses, if you need it urgently shipping from the other warehouse, please confirm it from us first!


    Our products are not charged with tax and VAT and we don’t cover with tax amount. We usually help customers to declare the lower price to forbid the tax charged or lower the tax value. And most shipment is not charged with import tax By shipping from the US, EU, RU warehouse to the corresponding countries, there won’t have any tax charged. For some countries that have a complicated custom process like South America, we recommend you order on AliExpress or find a receiver in North America to help you transmit the package.

    Note: Faraway address may last longer delivery and add cost.

    ✓ 30 Days Free Return

    Fosi Audio always aims for the highest customer satisfaction. If you are unsatisfied with your products or the products turn out to be defective then you can claim a return or refund.


    We afford the return shipping fee with following status:

    1. Defected parts
    2. Damaged devices
    3. Incorrect item shipped


    *The 30 days period is calculated from the date you received the items.

    *If you claim a return that exceed 30 days free return period or without any defected or damaged devices, you need to afford the return shipping fee yourselves.

    *Please note: Some returns we may charge the shipping fee from you. Like change your mind or ordered wrong items when shipping is proceeded, then we will charge the shipping fee from your payments.


    Return and refund process

    1. Send your order number and reasons for return and refund via mail to shopify@fosiaudio.com
    2. We will check your case and reply in 2 work days.
    3. If return acceptable then we will distribute the nearest after sale address to you to ship the return.
    4. After you ship the return items, then send the info below to us:
    • tracking number
    • shipping receipt (If shipping fee refund needed)
    • PayPal account (If shipping fee refund needed)
    1. After confirm your package is shipped, we will arrange the refund or replacement as soon as possible.



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    Fosi Audio BT30D Bluetooth 5.0 2.1 Channel Power Amplifier with Bass and Treble Control

    $89.99 $84.99