Audio Equipment
HELM DB12 AAAMP Portable Headphone Amplifier Review
The HELM DB12 AAAMP Portable Headphone Amplifier is the world’s smallest in-line amplifier for studio-quality amplification. Made in collaboration with THX, this feature-loaded amp takes AAA™ to new heights with a host of additional features, including USB charging, onboard volume controls, a clean 12-decibel gain boost for power-hungry headphones like […]