ZHA-4

Handy headphone amplifier with 4-channel output

The ZHA-4 "ZHA-4" allows simultaneous monitor handheld headphone amplifier to distribute audio equipment line/headphone output to four independent 3.5mm stereo mini headphone outputs.Powered by 2 AA batteries or USB batteries, each with volume knob and mute control.You can monitor audio from a stereo mini output such as a ZOOM handheld recorder at the same time for up to 4 people.Ideal for small scale recording in mobile environments such as band recording and podcasts.Power option: 2 AA alkaline batteries can provide approximately 3.5 hours of battery life.Connect the USB-C port to a commercially available USB power bank or USB-AC adapter for longer use.Package Includes: ZHA-4 Handy Headphone Amplifier 2 AA Batteries Stereo Mini Cable (0.5 meters) Quick Guide

Stereo headphone amplifier for portable audio monitor with 4 headphone outputs (stereo mini jack), adjustable volume knob volume settings for quick mute of output without changing volume setting, Mute button to choose the power option to use anywhere, 2 AA batteries, USB powered (USB Type-C connection)

Specifications

Gain 24 dB Clipping Level +18 dBu Output Impedance 47 Ω Frequency Response 10-50 kHz, +/-1.0 dB Dynamic Range ≥100 dB Input Impedance 10 kΩ Power Supply 2 x AA Batteries (Alkaline Batteries, NiMH Batteries) / USB Power Supply (DC 5V, 1 A) 180g External dimensions: 5.1 x 2.8 x 2.0 inches (130 x 70 x 52 mm); Estimated battery life during continuous use; About 3.5 hours when using alkaline battery; About 4.5 hours when using NiMH batteries (1900 mAh); Battery life is based on our testing method.Varies greatly depending on usage conditions.