ALO Audio (founded by Ken Ball in Portland, Oregon, in 2006) is a boutique American audio manufacturer specializing in hand-built portable and desktop headphone amplifiers, DACs, and high‑performance IEM/up‑grade cables. Driven by a team of passionate music lovers and artisans, each product is meticulously crafted to elevate personal audio experiences—from earbuds on the go to full‑fledge desktop setups