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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

Soundbar Experts Pick the Samsung HW A650 Top Model

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

Audiophile Approved USB Turntables

Guide

Take the Party Anywhere With a Beach Ready Bluetooth Speaker

Guide

Melodicas for Every Player: Hands On With the Hohner P-5

Guide

Wireless Mics That Make Podcasts Sound Pro

Guide

5 Turntables That Deserve Your Vinyl in 2026

Guide

Tested: Jabra Speak2 75 & Top Conference Call

Guide
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