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forum threadformulate posted Yesterday 06:08 PM
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forum threadformulate posted Yesterday 06:08 PM

Fosi BT20A Pro - Bluetooth 2 channel stereo amp $85

$85

$100

15% off
Fosi Audio
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Fosi has their Fosi BT20A Pro amp on sale for $85, including tax and shipping, with discount code FFS15.
https://fosiaudio.com/products/bt...-amplifier
  • 300 Watts x 2 (Peak) Power Output
  • Bluetooth 5.0 Connectivity
  • Custom Sound with Bass and Treble Controls:
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About the Poster
Fosi has their Fosi BT20A Pro amp on sale for $85, including tax and shipping, with discount code FFS15.
https://fosiaudio.com/products/bt...-amplifier
  • 300 Watts x 2 (Peak) Power Output
  • Bluetooth 5.0 Connectivity
  • Custom Sound with Bass and Treble Controls:

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Yesterday 06:21 PM
2,133 Posts
Joined Dec 2006
TJMYesterday 06:21 PM
2,133 Posts
Dumb question. How is this an amplifier if you need active speakers for power?
Yesterday 06:28 PM
439 Posts
Joined Nov 2015
Cash_OnlyYesterday 06:28 PM
439 Posts
Quote from TJM :
Dumb question. How is this an amplifier if you need active speakers for power?
You don't need active speakers. You can use active or passive with this. Active connects to pre-out. Passive connects to output.
Today 06:49 AM
164 Posts
Joined Sep 2018
MaroonLeopard1601Today 06:49 AM
164 Posts
Calling all audiophiles for help. My journey has begun and I think I'm going to buy my first passive stereo setup with the Elac Debut 3.0 6.5 or Stark Sound Beta 5s. Why are people talking about monoblocks for stereo amplification or would this or the ZA3 work perfectly fine? I also already have a Wiim Ultra. I only have a small living room in a 1br apt
Last edited by MaroonLeopard1601 May 26, 2026 at 11:54 PM.
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Today 05:43 PM
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Today 05:43 PM
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Quote from MaroonLeopard1601 :
Calling all audiophiles for help. My journey has begun and I think I'm going to buy my first passive stereo setup with the Elac Debut 3.0 6.5 or Stark Sound Beta 5s. Why are people talking about monoblocks for stereo amplification or would this or the ZA3 work perfectly fine? I also already have a Wiim Ultra. I only have a small living room in a 1br apt
A Mono-block is just one channel of amplification. So you would need 2 Monoblocks to drive a pair of speakers.

If you are just getting started, a normal stereo amp will be fine.

Since you already have the Wiim, you don't need a 'bluetooth amp'. Just get the regular amp (with the money you save, you can opt for the larger, 48v power supply and get a little extra headroom out of the thing) :

https://fosiaudio.com/products/fo...a3255-chip
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