Brilliantly Designed IEM: Fosi Audio IM4 Review

Fosi Audio IM4 IEM Rating: 8.6/10 Price: US$110 (JAN, 2026) https://tinyurl.com/37rek8hk https://amzn.to/3YkQtHp Sound Stage: 8 Stereo Image: 8 Highs: 8 Midrange: 8 Bass: 8 Clarity: 8 Build Quality: 10 Weight & Fitment: 9 Design & Accessories: 10 Price: 9 Pros: High Quality IEM, Affordable, Good Fitting. Cons: Slight Effects. *All ratings consider price, features, and sound quality. Product sample provided for review. 1-10 Rating System (10 Next Level, 9 Exceptional, 8 Very Good, 7 Solid, 6 Above Average, 5 Average, 4 Below Average, 3 Flawed, 2 Bad, 1 Trash) *Associated Components* Topping DX9 Discrete: https://amzn.to/4jv2Tq4 Eversolo Z10 Pre: https://amzn.to/4rLoxdn SMSL N100 Streamer: https://amzn.to/4n4739P Sony HAP-Z1ES: https://ebay.us/zqQRFU (out of production) Oyaide Neo Class A USB Cable: https://amzn.to/49JhN6u iFi Nova AC Power Cable: https://amzn.to/447GeGP Isolation Footers: https://amzn.to/41PSI82 *Reference System* Gustard R30 R2R DAC: https://amzn.to/3KieE5m Muzishare X30 Amp: https://amzn.to/46CwYxX Accuphase E-4000: https://youtu.be/wg7UFZaBSLA iFi Nova AC Power Cables: https://amzn.to/447GeGP AST Silver Cables: https://youtu.be/MVLP_QX6IPY Oyaide Neo Class A USB Cable: https://amzn.to/49JhN6u Pioneer TAD S-1EX Speaker: https://youtu.be/k-Sw4qjz6wg JBL L100 Classic 75th Speakers: https://youtu.be/h5k9sUd31iU If you use these links above to purchase any items from Amazon or eBay (No Extra Cost To You), I get a small percentage which helps support my work and helps me keep going.