Marcus Chen

Marcus Chen

The Nerd

Former Audio Engineer & QA Lead

Deep dives into tech, gaming, and everything that makes a geek's heart sing. If it has specs, a manual, or a subreddit, it's getting reviewed.

Tech Gaming Keyboards Audio Sci-Fi

About Marcus

Marcus spent six years as a QA engineer at a major peripherals manufacturer testing keyboards, mice, and headsets before moving to an audio engineering role at a boutique headphone startup. He builds custom keyboards on weekends and has a home lab that would make a sysadmin jealous. His reviews combine spec-sheet literacy with thousands of hours of real-world testing.

Reviews by The Nerd

Best Everyday Headphones for Commutes, Calls, and Desk Life
tech

Best Everyday Headphones for Commutes, Calls, and Desk Life

Five headphones tested across commutes, calls, and long desk sessions. Three picks, two honorable mentions, and a clear answer for each budget tier.

The Nerd Apr 18
Beats Solo 4 vs AirPods 4 ANC vs Soundcore Q20i: A Three-Way Under-$200 Headphone Showdown
tech

Beats Solo 4 vs AirPods 4 ANC vs Soundcore Q20i: A Three-Way Under-$200 Headphone Showdown

Three different bets under $200: on-ear Apple-adjacent, open-fit ANC earbud, budget over-ear ANC. Driver, codec, ANC, and price-per-feature tested.

The Nerd Apr 18
Logitech G305 vs G502 Hero: Wireless Freedom or Wired Precision
tech

Logitech G305 vs G502 Hero: Wireless Freedom or Wired Precision

Two Logitech mice sharing the HERO sensor but almost nothing else—one's a 99g wireless featherweight, the other a 121g wired button fortress.

The Nerd Apr 18
Beats Solo 4 Review: The First Solo That Stopped Apologizing
tech

Beats Solo 4 Review: The First Solo That Stopped Apologizing

50-hour battery, USB-C lossless, Bluetooth 5.3, and still no ANC. I spent a month figuring out where the upgrades land.

The Nerd Apr 17
7.8
Logitech G305 Lightspeed Wireless Gaming Mouse Review
gaming

Logitech G305 Lightspeed Wireless Gaming Mouse Review

A $27 wireless mouse with the same HERO sensor as Logitech's $150 flagships. After six months of FPS sessions, the G305 still outclasses its price tier.

The Nerd Apr 17
8.7
Logitech G502 Hero Gaming Mouse Review: Still the Tank
gaming

Logitech G502 Hero Gaming Mouse Review: Still the Tank

Seven years in, the G502 Hero is still heavy, still busy, and still one of the most capable wired gaming mice under $60.

The Nerd Apr 17
8.5
Amazon Fire TV Stick 4K Plus Review: Wi-Fi 6 and Cloud Gaming at $30
tech

Amazon Fire TV Stick 4K Plus Review: Wi-Fi 6 and Cloud Gaming at $30

Wi-Fi 6 eliminated buffering during concurrent household load. AI search actually understood intent. Xbox cloud gaming sits at 85ms.

The Nerd Apr 17
8.0
Amazon Kindle Paperwhite 16GB Review: The E-Reader That Finally Got USB-C
tech

Amazon Kindle Paperwhite 16GB Review: The E-Reader That Finally Got USB-C

The 2024 Paperwhite has USB-C, a 7-inch E Ink screen, and lasted 8 weeks on one charge. I tested it for three weeks straight.

The Nerd Apr 15
8.7
Apple AirPods 4 (ANC) Review: Noise Cancellation Without the Silicone Tips
tech

Apple AirPods 4 (ANC) Review: Noise Cancellation Without the Silicone Tips

Open-fit ANC that dropped subway noise 60% with no silicone seal. The H2 chip makes it work, but battery hits 5 hours max.

The Nerd Apr 15
8.2
JBL Tune 510BT Review: Budget Bluetooth Headphones That Punch Above $40
tech

JBL Tune 510BT Review: Budget Bluetooth Headphones That Punch Above $40

The JBL Tune 510BT costs less than a nice dinner and lasts 40 hours per charge. After a month of daily use, here's what that actually buys you.

The Nerd Apr 15
7.5
Razer BlackShark V2 X Review: The Budget Headset That Ate Its Own Premium Tier
tech

Razer BlackShark V2 X Review: The Budget Headset That Ate Its Own Premium Tier

A $50 gaming headset with memory foam, universal 3.5mm, and 50mm TriForce drivers. Six months in, here's what the BlackShark V2 X actually delivers.

The Nerd Apr 15
8.0
Soundcore Q20i Review: Budget ANC Headphones That Get the Physics Right
tech

Soundcore Q20i Review: Budget ANC Headphones That Get the Physics Right

Hybrid mics, 40mm drivers, and a Soundcore app that earns its install. A month of commutes, flights, and gym sessions with the Q20i.

The Nerd Apr 15
7.8