Matthew Korfhage, a reviewer for WIRED, shares his experience using the Ratio Four Series Two coffee maker for over a year to brew his morning cup and test new coffees. He highlights how this drip machine has elevated home brewing for connoisseurs. The article appears amid a WIRED series on coffee routines during daylight saving time.
In a recent WIRED article published on March 7, 2026, reviewer Matthew Korfhage details his affinity for drip coffee and the Ratio Four Series Two Small-Batch Brewer. Korfhage notes that the machine has been the source of his morning cup for more than a year and remains a fixture on his counter. He uses it specifically to test new coffees, emphasizing its role in making drip brewing appealing to connoisseurs.
The piece is part of a broader effort by the WIRED Reviews team, which describes coffee as 'the original office biohack and the nation’s most popular productivity tool.' This comes as the team addresses the sleep disruption from the daylight saving time changeover, sharing favorite brewing routines and devices to stay alert. Korfhage's contribution focuses on his 'lasting love for drip coffee,' with upcoming stories from other WIRED writers on their preferred methods under the Java.Base banner.
The Ratio Four is presented as part of a new generation of home machines that transform traditional drip coffee into a sophisticated option. Korfhage's photographs and video accompany the review, underscoring the personal touch in his endorsement.