Zoom ZHA-4 Handy 4-Channel, Battery-Powered Headphone Amplifier with Volume & Mute Functionality, Portable, for Podcasting, Music, Productions, and More

Portable, stereo headphone amplifier designed for demanding and critical audio monitoring4 independent 3.5 mm headphone outputs, each with a dedicated volume control knobIndependent mute buttons for each channel provides the ability to mute each output channel immediately without affecting overall output settingsHigh versatility of the two-way power system. Powered by either two AA batteries or the USB Type-C connector from USB AC adapter,USB battery pack, or computer USB portComes with ZHA-4 Handy Headphone Amplifier, Stereo Mini Audio Cable, and Quick Guide