Top products from r/ethoslab
We found 2 product mentions on r/ethoslab. We ranked the 2 resulting products by number of redditors who mentioned them. Here are the top 20.
1. Behringer U-Control UCA202 Ultra-Low Latency 2 In/2 Out USB Audio Interface with Digital Output
Sentiment score: 1
Number of reviews: 1
Ultra-flexible audio interface connects your instruments, mixer, etc. with your computer for recording and playback

2. BEHRINGER Audio Interface, 1x XLR/TRS 1x 1/4" 2X RCA USB, Black, 1-Channel (UM2)
Sentiment score: 0
Number of reviews: 1
2x2 USB audio interface for recording microphones and instrumentsAudiophile 48 kHz resolution for professional audio quality.Maximum Sampling Rate: 48 kHzCompatible with popular recording software including Avid Pro Tools*, Ableton Live*, Steinberg Cubase*, etc.Streams 2 inputs / 2 outputs with ultr...

Get an external soundcard to test it if you want. I use this one, https://www.amazon.com/Behringer-UCA202-Audio-Interface/dp/B000KW2YEI
It doesn't have the best input and output slots though but it is simple and sounds great.
I was thinking the exact same thing all along. He probably uses a XLR to 3.5 mm adapter, and thus not providing enough voltage to the mic.
He needs something like a cheap microphone preamp or just a cheap USB audio interface with 48V Phantom power.
EDIT: Just something like this.