Key features of the EBTech Hum Eliminator HE-2 include:

1. Dual Channels: It offers two channels, allowing you to connect two separate audio devices.
2. Ground Loop Isolation: The device isolates ground loops by breaking the direct electrical connection between devices while still allowing the audio signal to pass through.
3. Compact Design: The HE-2 is a small, portable device that can be easily integrated into your audio setup.
4. Compatibility: It works with both consumer and professional audio equipment, making it versatile for home audio systems, studios, and other environments.
5. Easy Setup: Typically, it’s a plug-and-play solution with no need for additional complex wiring.