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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

Setup Your Vinyl Rig with the Best Audio Turntables

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Which Competition Car Amplifier Should You Buy?

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8K HDMI 2.1: Best 5.1 AV Receivers for Home

Guide

Cassette Lovers: The Walkman That Plays Them All

Guide
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Optical Audio Cables Compared: 5 Shortlisted

Guide

Portable CD Players with Voice Guidance for the Blind

Guide

Cure Audio Hum in Your Home Studio With These Isolators

Guide

Conference Earbuds Buying Guide: How to Choose

Guide

Receivers Compared: Denon vs the Rest

Guide

Problems Competition Amplifiers Solve: 5 Picks

Guide
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