Home / Authors / Marcus Kim
MK

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

Rega Planar 1 Review (2026): The Most Audiophile-Approved

Review
โ˜… 4.5

LG S95QR Review (2026): 8 Months In, Still the Best Soundbar

Review
โ˜… 4.5

Klipsch RP-600M II Review (2026): The Best Passive Bookshelf

Review
โ˜… 4.5

JBL Charge 6 Review (2026): The Best Portable Speaker

Review
โ˜… 4.7

JBL Charge 5 Review (2026), Still the Best Outdoor Bluetooth

Review
โ˜… 4.5

Jabra Elite 10 Gen 2 Review (2026): The Most Comfortable

Review
โ˜… 4.6

KEF LSX II Review (2026), Still the Most Refined Active Speaker

Review
โ˜… 4.7

Hifiman Sundara Review (2026): The Best Planar-Magnetic Headphone

Review
โ˜… 4.6

Focal Bathys Review (2026)

Review
โ˜… 4.7

FiiO K7 Review (2026): The Best DAC and Amp Combo

Review
โ˜… 4.5
1 2 3 4 5 12