![[Watch] TRN IM1 Review – Better than the ZSN and ES4? 🔥🔥 | zpolt.com](https://i0.wp.com/zpolt.com/wp-content/uploads/2018/12/trnreview2.jpg?fit=1280%2C720&ssl=1)
Biggest comparison yet in the channel, what is the best $50 IEM? We compare all the popular ones!
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