Fosi Audio BT20A Pro

Amplifier
7Ratings
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Product details

The Fosi Audio BT20A Pro 2.0-channel amplifier offers an output power of 2 x 260 watts (4 ohms). The built-in TI TPA3255 chip amplifier features a feedback design and a high-speed gate driver error connection for efficient and high-quality audio performance with a low idle loss of less than 2.5 W. The chip amplifier also has interchangeable op-amps for a customizable approach. Additionally, you can replace the 2 plug-in NE5532 op-amps with LME49720HA, MUSES02, OPA2604AP, OPA2134PA, LM4562, or NJM4556AD op-amps to achieve different sound qualities. Bluetooth pairing can be removed by pressing and holding the volume knob for 5 seconds, and it also has a memory function for easy pairing and a warning tone. The BT20A Pro home audio amplifier features a sound control design, allowing you to experience sound without effects.

Key specifications

Amplifier Equipment
Bluetooth

General information

Item number
60686905
Manufacturer
Fosi Audio
Category
Stereo amplifiers
Manufacturer no.
BT20A-PRO-EU-DG-48V
Release date
31.7.2025
Sales rank in Category Stereo amplifiers
28 of 453
May include power adapter
No

Colour

Colour
Blue
Exact colour description
Dark Blue

Amplifier properties

Audio channel
2.0 Channel
Amplifier type
Amplifier
Nominal power
300 W
Number of speaker groups
2
Amplifier Equipment
Bluetooth

Connections

Audio inputs
Stereo Cinch RCA (1x)
Audio outputs
Loudspeaker (1x), Stereo Cinch RCA (1x)

Voluntary climate contribution

CO₂-Emission
159.62 kg
Climate contribution
CHF 3.79

Scope of delivery

Scope of delivery
48 V power supply unit, Bluetooth antenna

Product dimensions

Width
166 mm
Depth
105 mm

Package dimensions

Length
30.50 cm
Width
24.60 cm
Height
7.70 cm
Weight
1.39 kg

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Stereo amplifiers» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Giecy
    0.6 %
  • 2.Fosi Audio
    1 %
  • 2.WiiM
    1 %
  • 4.Denon
    1.5 %
  • 4.Yamaha
    1.5 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Yamaha
    0 days
  • 2.WiiM
    7 days
  • 3.Fosi Audio
    10 days

Return rate

How often is a product of this brand in the «Stereo amplifiers» category returned?

Source: Digitec Galaxus
  • 1.Denon
    1.8 %
  • 2.Fosi Audio
    4.4 %
  • 2.Yamaha
    4.4 %
  • 4.WiiM
    5 %
  • 5.Power Dynamics
    6.3 %
Source: Digitec Galaxus