Uploaded April 2023 | Updated September 2026, 1 week ago
#AmpDyno #Amplifier #Bass
Fosi Audio BT20A Pro Mini Amp Review
UPDATE: See Power Supply Comparison youtu.be/wJeQO-E1U1g
Shop
Fosi Audio BT20A Pro: amzn.to/43g4JT6
EXCLUSIVE 20% off Discount Code: 20APROWAL20
Discount Valid April 10-30, 2023
Fosi Audio BT20A standard model: amzn.to/43lwTfp
Fosi Audio 48V 5A Power Supply: (Coming Soon)
0-48V 10A Variable Voltage Power Supply: amzn.to/3mkJv5P
AIYIMA A07 Amp with 32V adapter: amzn.to/3Xu0jEA
AIYIMA 48V 5.2A Adapter: amzn.to/3H1CHSh
Elac Bookshelf Speakers: amzn.to/3nVrhbJ
Speaker Banana Plugs: amzn.to/3zLGrTv
Anti-Static IC Puller: amzn.to/3miE8nE
3.5mm to RCA Adapter: amzn.to/4082DC9
Polk Audio PSW10 Powered Subwoofer: amzn.to/3nVXWOa
Related Videos
Update - Fosi Audio BT20A Pro Power Supply Tests: youtu.be/wJeQO-E1U1g
Fosi Audio M0-3 Mini Amp: youtu.be/wrBPAP3nol0
Aiyima A07 Mini Amp (TPA3255) : youtu.be/kBim2j7Gm5o
Douk Audio M1 Pro Mini Amp: youtu.be/WROm7jJbb2M
Mini Amp Video Playlist: bit.ly/3IMdtbN
Amp Dyno Modes Explained: youtu.be/Q0m6NsB-HHc
More Power Output than Power Supply?: youtu.be/c7QELbpKMuI?t=490
VIDEO INDEX
0:00 Intro
0:36 Unboxing
1:30 Features
3:08 Specifications
3:43 Amp Dyno Tests 32V
5:22 Amp Dyno Tests 48V
7:18 More Power Out Than In?
7:40 Pre-Amp Output Tests
8:55 Bluetooth Connection
9:22 Sound Tests - Song Demo's
10:46 What's Inside?
12:36 Pros and Cons
13:39 Final Thoughts
14:20 EXTRA Test
➡️ Support OSS / Williston Audio Labs for early access to videos: patreon.com/OldSchoolStereo
One Time "Tip" for Video Support: paypal.me/BigDWiz
📒 Show Notes, Video Gear List and Resources 📒
Make sure you are subscribed to my channel so you'll receive notifications when I upload the next exciting video! Thanks for your support and remember to keep it Old School!
Subscribe to Williston Audio Labs / OldSchoolStereo Here: youtube.com/BigDWiz
⚡ Williston Audio Labs on Social Media:
oldschoolstereo.com
willistonaudio.com
instagram.com/oldschoolstereo
facebook.com/oldschoolstereo
VIDEO AND AUDIO GEAR
Camera - iPhone 13pro 1TB - amzn.to/3nCjGvc
RODE Wireless Go II Microphones: amzn.to/3Q6NVHl
Shure MV7 Microphone: amzn.to/3A4OICK
Zoom H4n Audio Recorder: amzn.to/3BXjVsS
960 LED Panel: amzn.to/2Sxoq3S
This VIDEO was EDITED with LumaFusion on an iPad Pro 12.9:
iPad: amzn.to/2Ancr1W
Software: goo.gl/6yvWss
TEST BENCH EQUIPMENT
SMD / D'Amore Engineering Amp Dyno: goo.gl/sJTcf7
XS Power D1400 Batteries - amzn.to/2BPFCKW
XS Power PSC60 Charger - amzn.to/2CHGcfs
Fluke 1000A AC/DC Clamp Meter: amzn.to/2Rw5WDA
Handheld Dyno: amzn.to/2u2EgKV
My Favorite Screwdriver Kit: amzn.to/2x0VzcE
DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases
#AmpDyno #Amplifier #Bass
Fosi Audio BT20A Pro Mini Amp Review
UPDATE: See Power Supply Comparison youtu.be/wJeQO-E1U1g
Shop
Fosi Audio BT20A Pro: amzn.to/43g4JT6
EXCLUSIVE 20% off Discount Code: 20APROWAL20
Discount Valid April 10-30, 2023
Fosi Audio BT20A standard model: amzn.to/43lwTfp
Fosi Audio 48V 5A Power Supply: (Coming Soon)
0-48V 10A Variable Voltage Power Supply: amzn.to/3mkJv5P
AIYIMA A07 Amp with 32V adapter: amzn.to/3Xu0jEA
AIYIMA 48V 5.2A Adapter: amzn.to/3H1CHSh
Elac Bookshelf Speakers: amzn.to/3nVrhbJ
Speaker Banana Plugs: amzn.to/3zLGrTv
Anti-Static IC Puller: amzn.to/3miE8nE
3.5mm to RCA Adapter: amzn.to/4082DC9
Polk Audio PSW10 Powered Subwoofer: amzn.to/3nVXWOa
Related Videos
Update - Fosi Audio BT20A Pro Power Supply Tests: youtu.be/wJeQO-E1U1g
Fosi Audio M0-3 Mini Amp: youtu.be/wrBPAP3nol0
Aiyima A07 Mini Amp (TPA3255) : youtu.be/kBim2j7Gm5o
Douk Audio M1 Pro Mini Amp: youtu.be/WROm7jJbb2M
Mini Amp Video Playlist: bit.ly/3IMdtbN
Amp Dyno Modes Explained: youtu.be/Q0m6NsB-HHc
More Power Output than Power Supply?: youtu.be/c7QELbpKMuI?t=490
VIDEO INDEX
0:00 Intro
0:36 Unboxing
1:30 Features
3:08 Specifications
3:43 Amp Dyno Tests 32V
5:22 Amp Dyno Tests 48V
7:18 More Power Out Than In?
7:40 Pre-Amp Output Tests
8:55 Bluetooth Connection
9:22 Sound Tests - Song Demo's
10:46 What's Inside?
12:36 Pros and Cons
13:39 Final Thoughts
14:20 EXTRA Test
➡️ Support OSS / Williston Audio Labs for early access to videos: patreon.com/OldSchoolStereo
One Time "Tip" for Video Support: paypal.me/BigDWiz
📒 Show Notes, Video Gear List and Resources 📒
Make sure you are subscribed to my channel so you'll receive notifications when I upload the next exciting video! Thanks for your support and remember to keep it Old School!
Subscribe to Williston Audio Labs / OldSchoolStereo Here: youtube.com/BigDWiz
⚡ Williston Audio Labs on Social Media:
oldschoolstereo.com
willistonaudio.com
instagram.com/oldschoolstereo
facebook.com/oldschoolstereo
VIDEO AND AUDIO GEAR
Camera - iPhone 13pro 1TB - amzn.to/3nCjGvc
RODE Wireless Go II Microphones: amzn.to/3Q6NVHl
Shure MV7 Microphone: amzn.to/3A4OICK
Zoom H4n Audio Recorder: amzn.to/3BXjVsS
960 LED Panel: amzn.to/2Sxoq3S
This VIDEO was EDITED with LumaFusion on an iPad Pro 12.9:
iPad: amzn.to/2Ancr1W
Software: goo.gl/6yvWss
TEST BENCH EQUIPMENT
SMD / D'Amore Engineering Amp Dyno: goo.gl/sJTcf7
XS Power D1400 Batteries - amzn.to/2BPFCKW
XS Power PSC60 Charger - amzn.to/2CHGcfs
Fluke 1000A AC/DC Clamp Meter: amzn.to/2Rw5WDA
Handheld Dyno: amzn.to/2u2EgKV
My Favorite Screwdriver Kit: amzn.to/2x0VzcE
DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases
