The ZHA-4 splits a single stereo headphone output into four separate powered 3.5mm headphone mini-jacks, each with their own volume and mute control.
Perfect for bands, podcasts, productions, and more. Two AA batteries provide hours of portable power.
For longer sessions, connect the USB-C port to a portable battery or plug directly into the wall.

• portable, stereo headphone amplifier designed for demanding and critical audio monitoring
• 4 independent 3.5mm headphone outputs, each with a dedicated volume control knob
• independent mute buttons for each channel provides the ability to mute each output channel immediately without affecting overall output settings
• high versatility of the two-way power system. Powered by either two AA batteries or the USB Type-C connector from USB AC adapter or USB battery pack
• estimated continuous operation time using batteries: about 3.5 hours with Alkaline / about 4.5 hours with NiMH (1900 mAh) / about 8.5 hours with Lithium

ZHA-4 Handy Headphone Amplifier
Stereo Mini Audio Cable (19˝ / 50cm)
Quick Guide