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#Subwoofer #Amazon #Fosi
Today I’m testing out a mini home amplifier from Fosi Audio. This amp is a top seller on Amazon and at the time of this video cost less than $80. It’s a bit confusing what the power ratings are, however, as in some places it’s listed as “300W”, others “200W Max” and finally 150W RMS. Which one is correct? Are any correct?
The Fosi Audio M0-3 incorporates the Texas Instruments TPA3255D2 chip and requires between 24-35VDC of input for power. The included 32V 5A adapter may not allow the max power output, according to the text on Amazon. With this being true, I tested the amp using the included AC/DC adapter, then also purchased a larger power supply to see if the amp would do more power given more voltage and additional current. Find out if this purchase was worth the extra $40 or not….spoiler, it wasn’t!
Features of the Fosi Audio M0-3:
Full Range (PBTL) or Subwoofer (Sub) Output
Variable Subwoofer Frequency Control
RCA Line Level Output for Powered Subwoofers
Banana Plug Jacks for Speaker Outputs
Since the lowest power shown for the amp is 150W at 4 ohms and 120W at 8 ohms, these are the numbers we’ll reach for. Let’s find out if it can perform as advertised…
Shop Links: (affiliate)
Fosi Audio M0-3 Amplifier –
Nobsound G2 Pro Amplifier –
Adjustable 0-48V 10A Power Supply –
Tube Amplifiers –
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———Cameras and Gear Used To Shoot This Video ——-
(Video Gear I Use)
Camera – iPhone Xs Max 512GB –
Samson Go Mic Mobile –
960 LED Panel:
Lavaliere Microphone –
Sennheiser Wireless Mic –
This VIDEO was EDITED with LumaFusion on an iPad Pro 12.9:
——— Test Bench Equipment ——-
SMD / D’Amore Engineering Amp Dyno:
XS Power D1400 Batteries –
XS Power PSC60 Charger –
Fluke 1000A AC/DC Clamp Meter:
My Favorite Screwdriver Kit:
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
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