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Marcus Kim

Senior Audio & Headphones Editor · 9 years reviewing · 119 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 Noise Cancelling Headphones for Flights 2026

Guide

5 Best Competition 10 Inch Subwoofer 2026 | Deep Bass for SPL Builds

Guide

5 Best Competition Car Amplifiers 2026 | Max SPL Picks

Guide

5 Best Conference Earbuds 2026 | Clear Calls Without the Bulk

Guide

5 Best Competition Amplifiers 2026 | Max Power for SPL and SQ Builds

Guide

5 Best Competition Car Audio Amplifiers 2026 | SPL and SQ Rated

Guide

5 Best Devices for Listening to Cricket Podcasts in 2026 | Top Audio Picks

Guide

5 Best Connections for Samsung Soundbar 2026 | HDMI ARC vs Optical vs Bluetooth

Guide

5 Best Component Car Speakers 2026 | Crisp Sound for Every Budget

Guide

5 Best Conference Headsets 2026 | Pro Audio for All-Day Calls

Guide
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