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Marcus Kim

Senior Audio & Headphones Editor · 9 years reviewing · 242 articles

Marcus has spent nearly a decade testing headphones, earbuds, speakers, and audio gear for consumer publications. He runs a calibrated listening environment and measures every product independently rather than relying on manufacturer specs. At TheTestedHub, Marcus covers over-ear and on-ear headphones, true wireless earbuds, noise cancellation, Bluetooth speakers and soundbars, and Hi-Fi gear including DACs and amplifiers.

Senior Audio and Headphones Editor at TheTestedHubNearly a decade of experience reviewing consumer audio productsReal-world testing across all price tiers with calibrated measurement equipmentBackground in electrical engineering and signal processing

Areas of expertise

Over-ear and on-ear headphones

True wireless earbuds (TWS)

Active noise cancellation (ANC) measurement

Bluetooth speakers and soundbars

DACs, amplifiers, and Hi-Fi equipment

Frequency response and HRTF analysis

Latest by Marcus Kim

5 Best Soundbars of 2026

Guide

Which C Crane SW Radio Is Best

Guide

Tired of Poor Outdoor Movie Nights? These

Article

Get Superior AM Reception with These Radios

Guide

5 Best USB Turntables of 2026

Guide

5 Best Portable Bluetooth Speakers for the Beach 2026

Guide

5 Best Melodicas of 2026

Guide

5 Best Wireless Microphones for Podcasting 2026

Guide

5 Best Turntables of 2026

Guide

Tested: Jabra Speak2 75 & Top Conference Call

Guide
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