£109.99

Fosi Audio BT20A Pro 300W x2 Bluetooth Class D Stereo Amplifier

Black, BT20A PRO

Price data checked 4 days ago

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

This is the most expensive it has ever been. Walk away.

£110 today · previous high £110 · all-time low £93

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 87 days • 87 data points (No recent data available)

Historical
Generating forecast...
£109.99 £90.89 £95.06 £99.23 £103.39 £107.56 £111.73 16 March 2026 06 April 2026 28 April 2026 19 May 2026 10 June 2026

Price Distribution

Price distribution over 87 days • 2 price levels

Days at Price
Current Price
20 days 67 days · current 0 17 34 50 67 £93 £110 Days at Price

Price Analysis

Most common price: £110 (67 days, 77.0%)

Price range: £93 - £110

Price levels: 2 different prices over 87 days

Description

Experience powerful, crystal-clear sound in any setting with the Fosi Audio BT20A Pro Bluetooth amplifier. Powered by a TI TPA3255 chip, this Class D stereo amp delivers 2 x 300 W of clean power, giving you deep bass and detailed treble without distortion. A signal-to-noise ratio of 108 dB and total harmonic distortion under 0.005% keep music true to the original recording, whether you are listening indoors or outdoors. The BT20A Pro includes separate bass and treble controls, so you can fine-tune the tonal balance to match your favorite tracks or room acoustics. Replaceable op-amps let advanced users upgrade the circuit for even higher performance, extending the life of the unit. Built for flexibility, the built-in Bluetooth receiver pairs instantly with smartphones, tablets, or computers, eliminating the need for extra cables. Connect to home audio or outdoor speakers and enjoy a clutter-free setup that delivers consistent volume across the full 2-channel range. Overall, the Fosi Audio BT20A Pro brings professional-grade amplification to the desktop or patio, offering reliable power, precise control, and modern connectivity in a compact package.

Key Features

2 x 300 W Class D output using TI TPA3255 chip delivers clean, distortion-free power with SNR >=108 dB and THD <=0.005% for audiophile-level clarity.

Separate bass and treble knobs let you shape low-end punch and high-frequency sparkle to match any music genre or room acoustics.

Replaceable op-amps give advanced users the option to upgrade the amplification stage, extending the lifespan and performance potential of the unit.

Built-in Bluetooth receiver provides instant wireless pairing with phones, tablets or computers, removing the need for extra cables and simplifying setup.

Compact 2-channel design fits on a desktop or patio shelf, delivering professional-grade sound to indoor home audio systems or outdoor speaker setups.

Product Specifications

Colour
Black
Domain
Amazon UK
Listed Since
23 October 2018

Similar Products You Might Like

Fosi Audio BT30D Pro 2.1 Channel Bluetooth Amplifier
98% match

Fosi Audio BT30D Pro 2.1 Channel Bluetooth Amplifier

Fosi Audio

£112.39 22 May 2026
Fosi Audio BT20A Bluetooth 5.0 Mini Stereo Amplifier
98% match

Fosi Audio BT20A Bluetooth 5.0 Mini Stereo Amplifier

Fosi Audio

£79.99 15 May 2026
LONPOO Bluetooth Audio Amplifiers, 2.0 Channel Audio Frequency Amplifiers Mini Class D Integrated Amp for Bookshelf Speaker with Optical Port,Coaxial Jack,USB Playback,Aux-in,200 Watts RMS (Blue)
98% match

LONPOO Bluetooth Audio Amplifiers, 2.0 Channel Audio Frequency Amplifiers Mini Class D Integrated Amp for Bookshelf Speaker with Optical Port,Coaxial Jack,USB Playback,Aux-in,200 Watts RMS (Blue)

LONPOO

£65.80 09 Feb 2026
Nobsound NS-15G Plus 200W Bluetooth 5.0 HiFi Stereo Amplifier
98% match

Nobsound NS-15G Plus 200W Bluetooth 5.0 HiFi Stereo Amplifier

Nobsound

£69.99 16 May 2026
Fosi Audio TB10A 2 Channel Hi-Fi Class D Stereo Amplifier
98% match

Fosi Audio TB10A 2 Channel Hi-Fi Class D Stereo Amplifier

Fosi Audio

£69.99 14 May 2026
Nobsound G3 100W Class D Hi-Fi Stereo Audio Mini Amplifier with Bluetooth 5.0, Treble & Bass Control for Home Theater
97% match

Nobsound G3 100W Class D Hi-Fi Stereo Audio Mini Amplifier with Bluetooth 5.0, Treble & Bass Control for Home Theater

Douk Audio

£56.99 05 Feb 2026
Fosi Audio V1.0B Mini Hi-Fi Class D Stereo Amplifier
97% match

Fosi Audio V1.0B Mini Hi-Fi Class D Stereo Amplifier

Fosi Audio

£49.99 11 May 2026
Fosi Audio BT30D 2.1 Channel Bluetooth 5.0 Stereo Amplifier
97% match

Fosi Audio BT30D 2.1 Channel Bluetooth 5.0 Stereo Amplifier

Fosi Audio

Out of Stock 22 May 2026
Depusheng DPA30 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Bluetooth 5.0 Audio Component Amplifier 50 Watt x2+100 Watt for Home Outdoor Passive Speakers Subwoofer
97% match

Depusheng DPA30 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Bluetooth 5.0 Audio Component Amplifier 50 Watt x2+100 Watt for Home Outdoor Passive Speakers Subwoofer

Depusheng

£69.90 04 Feb 2026
Fosi Audio V1.0G Mini Hi-Fi Class D Amplifier - 50W x 2
97% match

Fosi Audio V1.0G Mini Hi-Fi Class D Amplifier - 50W x 2

Fosi Audio

£49.99 15 May 2026
Fenton SHFB55B Hi-Fi Bookshelf Speaker & AV-150BT Amplifier Kit
97% match

Fenton SHFB55B Hi-Fi Bookshelf Speaker & AV-150BT Amplifier Kit

Fenton

£164.99 29 May 2026
S.M.S.L SA300 HiFi Digital Amplifier, Infineon's MA12070 Chip 80W x 2 Class D Power Amp, RCA USB Bluetooth 5.0 APTX Input, Multiple EQ Modes with Remote Control (Black)
97% match

S.M.S.L SA300 HiFi Digital Amplifier, Infineon's MA12070 Chip 80W x 2 Class D Power Amp, RCA USB Bluetooth 5.0 APTX Input, Multiple EQ Modes with Remote Control (Black)

S.M.S.L

£139.99 09 Feb 2026
Pyle Bluetooth Amplifier, 4 Channel 800W Home Stereo Hi-Fi Receiver with MP3, Reverb Delay, Wireless Audio Amp for Karaoke Machine, Singing, Teachers, and Bluetooth Microphone Use
97% match

Pyle Bluetooth Amplifier, 4 Channel 800W Home Stereo Hi-Fi Receiver with MP3, Reverb Delay, Wireless Audio Amp for Karaoke Machine, Singing, Teachers, and Bluetooth Microphone Use

Pyle

£105.22 15 Feb 2026
Fosi Audio BT10A-S Bluetooth 5.0 Amplifier Stereo Audio Receiver, 2 Channel Class D Mini Hi-Fi Integrated TPA3116 Amp, for Passive Speakers 50W x 2, with 19V 4.74A Power Supply
97% match

Fosi Audio BT10A-S Bluetooth 5.0 Amplifier Stereo Audio Receiver, 2 Channel Class D Mini Hi-Fi Integrated TPA3116 Amp, for Passive Speakers 50W x 2, with 19V 4.74A Power Supply

Fosi Audio

Out of Stock 09 Feb 2026
Nobsound NS-15G Bluetooth Amplifier, Mini 200W Amp, TPA3116 Chip, HiFi Stereo Class D 2.0 Channels, with Power Supply
97% match

Nobsound NS-15G Bluetooth Amplifier, Mini 200W Amp, TPA3116 Chip, HiFi Stereo Class D 2.0 Channels, with Power Supply

Nobsound

£69.99 12 Feb 2026
Nobsound Bluetooth 5.0 Stereo Amplifier: Mini Audio 2.0 Channel Integrated Amp with Bass Treble Control, for Home Speakers 50W x2 TPA3116
97% match

Nobsound Bluetooth 5.0 Stereo Amplifier: Mini Audio 2.0 Channel Integrated Amp with Bass Treble Control, for Home Speakers 50W x2 TPA3116

Nobsound

£49.99 07 Feb 2026
Pyle Bluetooth Stereo Amplifier - 5.1 Channel Wireless Hi-Fi Home Audio Receiver with HDMI, AUX, FM Antenna, Subwoofer & Speaker Inputs, Surround Sound System for Home Theatre
97% match

Pyle Bluetooth Stereo Amplifier - 5.1 Channel Wireless Hi-Fi Home Audio Receiver with HDMI, AUX, FM Antenna, Subwoofer & Speaker Inputs, Surround Sound System for Home Theatre

Pyle

£83.83 10 Feb 2026
Nobsound G2 100 Watt Subwoofer & Mono Amplifier, Home Sub Bass Power Amplifier, Full Frequency Amplifier, PBTL/BTL Bridge Amp with Gain Control and Power Supply
97% match

Nobsound G2 100 Watt Subwoofer & Mono Amplifier, Home Sub Bass Power Amplifier, Full Frequency Amplifier, PBTL/BTL Bridge Amp with Gain Control and Power Supply

Nobsound

£59.90 07 Feb 2026
Fosi Audio TB10D 600W TPA3255 Class D Mini Stereo Amplifier
97% match

Fosi Audio TB10D 600W TPA3255 Class D Mini Stereo Amplifier

Fosi Audio

£89.99 15 May 2026
Audibax Miami Amplificador Karaoke Bluetooth 100W + 100W. Mando a distancia
97% match

Audibax Miami Amplificador Karaoke Bluetooth 100W + 100W. Mando a distancia

Audibax

£66.08 07 May 2026
360W Mini Amplifier HiFi Bluetooth 5.0 Speaker 2 Channel Stereo Amplifier Avec LCD Screen, Portable FM Radio, SD Card/USB Input/FM Radio, for Home Speaker or Car
97% match

360W Mini Amplifier HiFi Bluetooth 5.0 Speaker 2 Channel Stereo Amplifier Avec LCD Screen, Portable FM Radio, SD Card/USB Input/FM Radio, for Home Speaker or Car

okanemoqi

£67.06 05 Feb 2026
AIYIMA A01 TPA3116 Power Amplifier 2.0/2.1 CH Stereo Hi-Fi Amplifier Class D Integrated Amp for Home Speaker 100W Mini Amplificador WIth Bass Alto Treble Control
97% match

AIYIMA A01 TPA3116 Power Amplifier 2.0/2.1 CH Stereo Hi-Fi Amplifier Class D Integrated Amp for Home Speaker 100W Mini Amplificador WIth Bass Alto Treble Control

AIYIMA

£69.99 13 Feb 2026
Stereo Audio Amplifier 2 Channel, 1000W Bluetooth 5.3 Amp TPA3116 Chip, Hifi Amplifier for Two 50W x2 Speakers of About 8 Inches, USB/FM/MIC, for TV, for home or your Car (AK55)
97% match

Stereo Audio Amplifier 2 Channel, 1000W Bluetooth 5.3 Amp TPA3116 Chip, Hifi Amplifier for Two 50W x2 Speakers of About 8 Inches, USB/FM/MIC, for TV, for home or your Car (AK55)

AWKAQUN

£45.59 06 Feb 2026
Nobsound NS-10G PRO Mini Bluetooth Amplifier - 200W HiFi Amp
97% match

Nobsound NS-10G PRO Mini Bluetooth Amplifier - 200W HiFi Amp

Nobsound

£39.59 14 May 2026