EFNOTE is a Japanese electronic drum brand founded in 2018 and headquartered in Hamamatsu, a city long associated with the country's musical instrument industry. The company was started by a small group of engineers — reportedly veterans of the Japanese electronic instrument industry with roughly two decades of experience in e-drums — who wanted to focus exclusively on electronic percussion under a design philosophy summarized as "Beauty, Quality, Originality." The brand made its public debut at NAMM 2020, where it showed its first prototype kits to the North American market through distributor Artesia Pro.

EFNOTE's product line is built entirely around electronic drum kits, ranging from the compact EFNOTE mini and EFNOTE 3 / 3X series to the mid-range EFNOTE 5 / 5X, the full-size EFNOTE 7 / 7X, and the flagship EFNOTE PRO configurations (such as the Pro 703 and Pro 705). The kits use mesh heads, multi-layer cymbal sensing, and proprietary technologies such as the Tru-Motion hi-hat (which tracks continuous motion on a standard hi-hat stand), STAK multi-zone cymbal triggering, and the ELISE sensing processor.

Within the electronic drum market the brand is generally positioned as a premium, acoustic-leaning alternative to larger incumbents like Roland and Yamaha, with reviewers frequently highlighting the natural look of the shells, the playability of the mesh heads, and the quality of the onboard sample library rather than deep production or DAW-integration features.

EFNOTE has 9 products cataloged on Equipboard, including Electronic Drum Sets. Their gear is featured by 1 artist, with the strongest followings in Rock, Hip Hop, and Folk, World, & Country. Notable users include The Kidd On Drums.