Price: $89.99 - $79.99
(as of Jan 24,2023 22:51:38 UTC – Details)

Product Description

Home Audio Bluetooth Receiver Amplifier

Our Story

Fosi Audio was founded with a simple goal: Build products that sound great and make people want to listen to music every day. We design, manufacture, and sell many Hi-Fi audio products on the market. We pursue your perfect music journey. Enjoy Hi-Fi music with Fosi Audio audio！

2.0 Channel Bluetooth Stereo Amplifier

Product Parameters:

Power Adapter: 24V/4.5ADC Input Range: 12-24VTerminating Impedance: 2 Ohm – 8 OhmMAX Power Output: 100W x 2THD ≤ 0.04%Frequency Range: 20Hz – 20kHz (±1 dB)SNR ≥ 98dBInput Sensitivity ≤ 280mVInput Mode: Bluetooth and RCABluetooth Transmission Distance: Up to 50 Ft
2 Channel Power Amp: BT10A, BT20A, TB10A, TB10D, V1.0G, TDA7498E, ZK-1002, ZK-502T. 2.1 Channel Power Amp: BT30A, BT30D, BT30D Pro, BL20A, BL20C, ZK-TB21. DAC: Q4. DAC Amplifier: DA2120A, DA2120C. Subwoofer Amp: TP-02, M01-BT, M02, M03, M04. Phono Preamp: BOX X1, Box X2, BOX X3, BOX X4. Tube Preamp: P1. Tube Headphone Amplifier: T20, T20X, P2.

Extraordinary Clarity Hi-Fi Sound

Instant setup with phones, tablets, and almost any other Bluetooth-enabled device. Bluetooth 5.0 chip ensures your devices maintain a strong, stable connection up to 50 Ft away for skip-free music.

Advanced Audio Architecture

The High-Performance Texas Instruments TPA3116D2 Chip presents music with rousing highs and deep lows. Even at high volumes, there’s less than 0.04% harmonic distortion resulting in remarkable clarity.

Irresistible Finish

Fosi Audio BT20A’s curved edges and sleek controls accentuate its unibody design. With truly useful features, and thoughtfully designed premium enclosures. A new generation: exquisite design, improved operation.

Drive passive speakers

Perfect if you prefer separate passive speakers and preamps for your audio setup. 100 watt per channel power output can drive most home passive speakers to create astonishing Sound. Easy to fit your audio system with Bluetooth and RCA input

Safe DC Outlet

With a built-in power protection circuit, there are no sparks flying when you plug the power adapter into the amplifier. Safe for use!

24V/4.5A Power Supply

Fosi Audio BT20A equip with an energy-efficient and stable power supply can get an astonishing sound.

Type
Bluetooth 2.0 CH Amp Bluetooth 2.0 CH Amp Bluetooth 2.1 CH Amp Bluetooth 2.1 CH Amp Bluetooth 2.1 CH Amp with Remote Control Bluetooth 2.1 CH Amp

MAX Power Output
50W x 2 100W x 2 50W x 2+100W 50W x 2+100W 100W x 2 160W x 2

Input
Bluetooth + 3.5mm AUX Bluetooth + RCA Bluetooth + RCA Bluetooth + RCA Bluetooth + 3.5mm AUX + U-disk Bluetooth + RCA + U-disk

Output
Passive Speakers Passive Speakers Passive Speakers + Passive Subwoofer Passive Speakers+Active/Passive Subwoofer Passive Speakers + Active Speakers/Amplifier/Active Subwoofer Passive Speakers + Active Subwoofer

Treble & Bass Control

✓

✓

✓

✓

✓

✓

THD
≤ 0.04% ≤ 0.04% ≤ 0.04% ≤ 0.04% ≤ 0.001% ≤ 0.05%

SNR
≥ 98dB ≥ 98dB ≥ 98dB ≥ 98dB ≥ 92dB ≥ 98dB

Terminating Impedance
2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm 2-8 Ohm

Power Adapter
19V/4.74A 24V/4.5A 24V/4.5A 24V/4.5A 24V/4.5A 24V/4.5A

Work Voltage
AC 110V – 240V AC 110V – 240V AC 110V – 240V AC 110V – 240V AC 110V – 240V AC 110V – 240V

Type
Bluetooth Tube 2.1 CH Amp Bluetooth Tube 2.0 CH Amp Phono Preamp Phono Preamp with Vacumm Tubes 2.0 CH Amp Audio Cable[33ft/10m] + Banana Plugs[4 Pairs / 8 pcs]

MAX Power Output
50W x 2 50W x 2 Note: It cannot be directly connected to passive speakers, but can only be connected to active speakers or amplifiers. Note: It cannot be directly connected to passive speakers, but can only be connected to active speakers or amplifiers. 300W x 2 –

Input
Bluetooth + 3.5mm AUX1+3.5mm AUX2 Bluetooth + RCA RCA RCA+3.5mm AUX RCA –

Output
Passive Speakers + Active Subwoofer+ Headphone Passive Speakers + Headphone Active Speakers + Headphone Active Speakers Passive Speakers –

Treble & Bass Control

✓

✓
x x
✓
–

THD
≤ 0.1% ≤ 0.04% ≤ 0.08% ≤ 0.1% ≤ 0.3% –

SNR
≥ 80dB ≥ 98dB ≥ 70dB ≥ 98dB ≥ 90dB –

Terminating Impedance
4-8 Ohm 2-8 Ohm – – 2-8 Ohm –

Power Adapter
– 24V/4.5A 12V/1.5A 12V/1.5A 32V/5A –

Work Voltage
AC 110V – 240V AC 110V – 240V AC 110V – 240V AC 110V – 240V AC 110V – 240V –

Simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier exclusively designed for the customers who pursue HiFi sound.
Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established.
BT20A Bluetooth stereo receiver amplifier adopts 2PCS Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences.
100W RMS X 2(4 ohms, 20 Hz – 20 kHz, 0.04% THD), comes with a 24V power supply, can drive 280watts(8 ohms), 320watts(4 ohms) speakers.(for passive speakers only, not the powered speakers).
Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home.
What You Get: BT20A home integrated digital amplifier x1, 24V/4.5A power supply x1, user manual x1, our worry-free 18-month warranty, and friendly customer service.