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Fosi Audio BT20A Bluetooth Stereo Hi-Fi Amplifier 100W x 2

Fosi AudioPart # 235-250
Model: BT20A

The Fosi Audio BT20A is a compact stereo amplifier built for clean, reliable power in home audio systems. With Bluetooth 5.0 and simple controls, it offers convenient streaming and customizable sound in a space-saving design. It’s a versatile solution for powering passive speakers with clarity and ease.

Key Features

  • 2-channel Class D amplifier delivers strong, efficient power
  • Bluetooth 5.0 streaming for quick and stable wireless audio
  • Treble and Bass controls to fine tune your sound
  • Compact aluminum chassis fits easily into tight spaces
  • Built for reliable everyday use in home audio systems
  • 24V Power supply included
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Fosi Audio HT4S 4.1 Channel Bluetooth Power Amp with Remote Control
Price: $95.99Part # 235-274
See all items in Home Audio Amplifiers
Your Price: $55.99
MSRP: $79.99
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Overview

Fosi Audio BT20A Bluetooth Stereo Hi-Fi Amplifier 100W x 2

Fosi Audio BT20A Bluetooth Stereo Hi-Fi Amplifier 100W x 2

  • 100W x 2 (4 ohms, 20 Hz – 20 kHz, 0.04% THD), includes a 24V power supply. Even in smaller spaces, it can power larger passive speakers rated up to 280 watts (8 ohms) or 320 watts (4 ohms).
  • Features advanced circuitry and a built-in speaker protection circuit, ideal for bookshelf, desktop, or computer speakers at home.
  • Compact and powerful, this Hi-Fi Bluetooth amplifier is tailored for users seeking high-fidelity sound in a simple design.
  • Equipped with Bluetooth 5.0, offering a stable 33ft range with low latency, no pop, and no audible noise during pairing.

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: 2 Ohm - 8 Ohm
  • Output power: 100W + 100W
  • Input mode: Bluetooth and Analog
  • Bluetooth Name: Fosi Audio
  • Bluetooth chip: ATS2853
  • Power supply: 24V 4.5A

Which Amp is Right for You?

BT20A

BT20A Pro

BT20A MAX


BT20ABT20A ProBT20A MAX
Release Date202020232025
Channels2.02.02.0 / 2.1
Bluetooth ChipATS2853
ATS2853
Qualcomm QCC3095
Amplifier ChipTI TPA3116, NE5532
TI TPA3225, NE5532
TI TPA3225, NE5532
Max Output Power100W × 2
300W × 2 @ 4Ω
300W × 2 @ 4Ω
InputsRCA, BT
RCA, BT
RCA1, RCA2, BT
OutputsSpeaker Out
Speaker Out
SUB Out, Speaker Out
SNR≥ 98dB
≥ 108dB
≥ 112dB
THD+N≤ 0.5%
< 0.005%
≤ 0.003%
Input SwitchAuto Switch
Auto Switch
Dedicated Switch Button
Bass & Treble ControlSupported
Supported
Supported
Bluetooth5.0: SBC, AAC
5.0: SBC, AAC
6.0: SBC, AAC, aptX, aptX HD,aptX
Adaptive, aptX Lossless, LDAC
Other Features--
--
Remote Control, PFFB Technology,
Bypass, High-Pass Filter, 12V Trigger,
Motorized Potentiometer

Product Details

BrandFosi Audio
ModelBT20A
Part Number235-250
Unit of MeasureEach
Weight1.9

Product Specifications

Power (RMS/Channel 8 ohms)26 - 50 Watts
Weight Range< 10 lbs.
Special FeaturesBluetooth

Specifications

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WARNING: Cancer and Reproductive Harm

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