Fosi Audio BT20A – 100W ×2 Class-D Bluetooth Stereo Amplifier

Fosi Audio BT20A – 100W ×2 Class-D Bluetooth Stereo Amplifier

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The Fosi Audio BT20A is a compact yet powerful stereo amplifier. With Bluetooth 5.0, it offers a stable 33 ft... Read more

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$79.90 Excl. VAT

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    Description

    The Fosi Audio BT20A is a compact yet powerful stereo amplifier. With Bluetooth 5.0, it offers a stable 33 ft connection and low signal delay. Boasting 100W x 2 output at 4 ohms, it can drive various passive speakers. Its advanced circuitry includes speaker protection. Ideal for home use with bookshelf or desktop speakers, it comes with a 24 - month warranty.

    Key Features:
    .High Power Output: Utilizing a efficientClass D circuit and a robust 32V powersupply,the BT20A can deliver up to 100watts per channel (into 4Q loads).Thisprovides ample power to drive a widevariety of passive speakers for room-filling sound.
    Bluetooth 5.0 Connectivity: lt featuresbuilt-in Bluetooth 5.0 with support forthe AAC codec, allowing for seamlesswireless streaming from modern devices like smartphones, tablets, and computers.The connection is stable and offers good audio quality for a convenient wireless experience Tone Control: Unlike many basic mini amplifiers, the BT20A includes
    dedicated Bass and Treble knobs. Thisallows you to fine-tune the soundsignature to your personal preference orto compensate for the acoustics of youiroom.

    Specifications

    • Weight: 200gr
    • Usage: Indoor & outdoor

    Pros and cons

    • Sustainably produced
    • Ideal for everyday use
    • May discolor in direct sunlight

    • Product details

      100W X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with a 24V power supply. If your usage scenario is smaller, it can also drive larger speakers, such as those rated at 280 watts (8 ohms) and 320 watts (4 ohms). Please note that this is applicable only for passive speakers.

      Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home;

      Home integrated digital amplifier, 24-month warranty, you can return the item if you have any problems;

      Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier exclusively designed for the customers who pursue HiFi sound;

      Bluetooth 5.0 core, up to 33ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established;

    Specifications

    Power supply range
    12v-24v
    THD
    ≤ 0.5%
    Frequency Range
    20Hz - 20kHz (±1 dB)
    SNR
    ≥ 98dB
    Input sensitivity
    ≤ 280mV
    Bluetooth transmission distance
    28ft
    Terminating impedance
    2Ohm - 8Ohm
    Output power
    100W + 100W
    Input mode
    Bluetooth and Analog
    Bluetooth Name
    Fosi Audio
    Bluetooth chip
    ATS2853
    Power supply
    24V 4.5A

    What‘s in the box？

    Amplifier
    *1
    Power supply
    *1
    AC power cord
    *1
    User’s Manual
    *1
    Tips: The plug of the power adapter will match the country of your delivery address.

    FAQs：Please read ourFAQspage to find out more.

    How to: Choose the right banana plug?
    • Closed Screw Type. All Fosi amplifiers use standard-sized speaker terminals (4mm pins).
    • Easy to wire up and solidly connect to amplifier and passive speaker.
    • If they do not fit, use a little force to tighten the plugs.
    • Fosi Audio Banana Plugs (Copper, Silver/Gold Plated): http://bit.ly/40Djq0U, https://bit.ly/3MkPL8t
    • Please watch tutorial videos: https://youtu.be/6pYhoqDlvNw / https://youtu.be/RGvBgGAwS9k
    How to Diagnose Power Supply Failure?
    • The following situations may cause this issue
    • Case 1: The LED on the power supply does not light up; Case 2: Amp/Preamp does not turn on; Case 3: When plugged into the Amp, both light on the amp & power supply start blinking; Case 4: Amp/Preamp make noise; Case 5: Sound shuts off by itself
    • Possible solution
    • Check if the power supply is illuminated when plugged into AC by itself.

      Plug power supply into a different socket.

      Test the adapter with a meter.

      Try a different power supply (within a range of DC input).

      Test the included power supply on other electrical equipment.

      Please watch the tutorial video by clicking on the link provided. https://youtu.be/yCjygS03zTE
    What are the differences in power outputs using the 32V and 48V power supplies?
    • Using a more powerful power supply can help prevent distortion.
    • Enables amplifier to drive larger, more powerful, or higher-impedance speakers.
    What is a GaN?
    • The GaN supply has a power output of 240W.
    • Offers overload and over-temperature protection.
    • The 48V 5A GaN power supply is also available on Amazon.

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