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Marcus Kim

Senior Audio & Headphones Editor ยท 9 years reviewing ยท 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

Focusrite Scarlett 2i2 4th Gen Review (2026)

Review
โ˜… 4.7

Yamaha P-125a Review (2026)

Review
โ˜… 4.6

Fender Player Precision Bass Review (2026)

Review
โ˜… 4.7

Epiphone Les Paul Standard 50s Review (2026)

Review
โ˜… 4.6

Fender Player Stratocaster Review (2026)

Review
โ˜… 4.6

Pioneer DJ DDJ-FLX4 Controller Review (2026): The Beginner DJ

Review
โ˜… 4.6

Rode NT1 5th Generation Studio Microphone Review (2026): The

Review
โ˜… 4.7

Universal Audio Apollo Twin X Quad Review (2026): The

Review
โ˜… 4.8

Shure SM7B Cardioid Dynamic Microphone Review (2026): The

Review
โ˜… 4.8

Native Instruments Komplete Kontrol M32 Review (2026): The

Review
โ˜… 4.5
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