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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 Condenser Mics for Vocals Home Studio 2026

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5 Best Competition Subwoofers 2026 | Loudest Bass for SPL Builds

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5 Best Noise Cancelling Headphones for Office Work 2026

Guide
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5 Best Count of Monte Cristo Audiobooks of 2026 | Unabridged & Abridged Picks

Guide

5 Best Competition Door Speakers 2026 | SQ and SPL Rated

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5 Best Audio Interfaces for Home Recording 2026

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5 Best Compact Powered Subwoofers for Car 2026 | Bass Without Eating Your Trunk

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5 Best Turntables for Beginners 2026

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5 Best Conference Room Phones 2026 | Clear Audio for Every Meeting

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5 Best Podcast Microphones for Beginners 2026

Guide
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