Zoom ZHA-4 Handy Headphone Amplifier User Manual

: June 12, 2024
: Zoom

Table of Contents

Zoom ZHA-4 Handy Headphone Amplifier
Features
Functions of parts
Using batteries
Furnished Accessories
Specifications
PRODUCT USAGE
FREQUENTLY ASKED QUESTIONS
VIDEO – PRODUCT OVERVIEW
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Zoom ZHA-4 Handy Headphone Amplifier

Zoom ZHA-4 Handy Headphone Amplifier-product

Features

Portable, stereo headphone amplifier designed for demanding and critical audio monitoring.
4 independent 3.5 mm headphone outputs, each with a dedicated volume control knob.
Independent mute buttons for each channel provide high flexibility to mute each output channel immediately without affecting overall output settings.
The high versatility of the two-way power system. Powered by either two AA batteries or the USB Type-C connector from a USB AC adapter or USB battery pack.

Functions of parts

Headphone Output Jacks
Four individual panel-mounted 3.5 mm headphone jacks.
Headphone Volume Knobs
Control volumes for each headphone output.
Mute Buttons
Mute each headphone output.
Power Indicator
Green: Normal Power Supply
Red: The battery level is low. Replace the batteries with new ones.
3.5 mm input jack
Connect the line or headphone output of the audio equipment to this jack.
Power supply USB port (Type-C)
This power supply USB port is for connecting an AC adapter or portable battery.
Power switch
AA (right side): ON, Powered by 2 x AA batteries OFF (middle): Power off
USB-C (left side): ON, Powered by USB-C connector

Using batteries

Furnished Accessories

Specifications

Gain: 24 dB
Clipping level: +18 dBu
Output impedance: 47 Ω
Frequency characteristics: 10 – 50 kHz, +/-1.0 dB
Dynamic range: ≧100 dB
Input impedance: 10 kΩ
Power supply: 2*AA batteries (alkaline, nickel metal hydride, or lithium) / External USB Type-C DC5V / 1 A
Weight: 180 g
External dimensions: 130 × 70 × 52 mm
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 / •Connecting 4 headphones with 32 Ω load •Continuous battery operation times were determined using in-house testing methods. They will vary greatly according to use conditions.

ZOOM CORPORATION 4-4-3 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062 Japan zoomcorp.com

© 2021 ZOOM CORPORATION Copying or reprinting this manual in part or in whole without permission is prohibited. You might need this manual in the future. Always keep it in a place where you can access it easily. The contents of this document and the specifications of the product could be changed without notice.

PRODUCT USAGE

The Zoom ZHA-4 Handy Headphone Amplifier can be used for the following primary product applications:

Improvements to the Sound Quality of Headphones:
Your headphones or earbuds will receive a sound that is both cleaner and more robust after being amplified by the ZHA-4 from the audio signal coming from your source device.
Enhanced Clarity of the Sound:
If you use the headphone amplifier, you will be able to experience improved sound clarity, enhanced bass response, and an overall improvement in audio performance.
Playback of Music and Audio in High Quality on Mobile Devices:
When linked to mobile devices such as smartphones or tablets, the ZHA-4 is capable of producing higher-quality audio, which is very helpful for people who are passionate about music.
Improving the Sound Quality of Laptops and Personal Computers:
The ZHA-4 is capable of providing a large volume boost in addition to improved sound quality for headphones when used with a PC or laptop that has a weak headphone output.
The Production of Music and Monitoring of Audio:
During mixing or recording sessions, audio professionals and musicians can utilize the ZHA-4 as a portable headphone amplifier to monitor the sound being produced by the session.
Playing Video Games and Watching Videos:
When used for gaming or watching films on portable devices, the ZHA-4 creates an audio experience that is more engaging and entertaining for the user.
Noise Isolation:
Some headphone amplifiers, such as the ZHA-4, are capable of providing improved noise isolation, thereby reducing the amount of interference and background noise that is present in the audio stream.
Portable Audio Solutions:
The ZHA-4 is easy to transport due to its compact and lightweight design, and it is compatible with a broad variety of portable audio devices.
Compatibility with Headphones:
The ZHA-4 is compatible with a wide variety of headphone designs, including high-impedance headphones that could call for a stronger amplifier for their full potential to be realized.
Amplification While You’re on the Go:
The ZHA-4’s battery-powered functioning enables users to take advantage of the device’s amplified audio capabilities in locations and circumstances when conventional power outlets are unavailable.
Improvements to Your Home’s Audio Setup:
When connected to a home audio system, headphone distribution amplifier, or headphone preamp, the ZHA-4 has the ability to improve the quality of the sound coming through headphones.
The Art of Practicing and Rehearsing Music:
During practice sessions and rehearsals, musicians can utilize the ZHA-4 to ensure that they have a clear sound experience when listening to their instruments or backing tracks using headphones.
Listening with an Audiophile Ear:
Audiophiles who are looking for a more elevated listening experience and who want to get the most out of their high-end headphones will find the ZHA-4 to be an ideal accessory.
DJs can set up their own personal audio monitoring:
While they are performing or cueing songs, DJs can use the ZHA-4 for personal audio monitoring using the device.
Monitoring Sound During the Production of Videos:
Video editors and makers can use the ZHA-4 to monitor audio while they are creating or editing videos, which will result in improved audio quality.

FREQUENTLY ASKED QUESTIONS

What is the Zoom ZHA-4 Handy Headphone Amplifier?

The Zoom ZHA-4 is a compact and portable headphone amplifier designed to enhance the audio quality and power output of headphones and earphones.

What devices can I use the Zoom ZHA-4 with?

The ZHA-4 can be used with various audio sources, including smartphones, music players, laptops, computers, and other devices with a headphone output.

How does the ZHA-4 improve audio quality?

The ZHA-4 amplifies the audio signal, providing increased power and clearer sound for headphones or earphones.

Is the Zoom ZHA-4 battery-powered or USB-powered?

The Zoom ZHA-4 is usually battery-powered, offering portability and convenience for on-the-go use.

What types of headphones are compatible with the ZHA-4?

The ZHA-4 is compatible with a wide range of headphones, including high- impedance headphones that benefit from additional amplification.

Does the ZHA-4 have adjustable volume controls?

Yes, the ZHA-4 typically includes volume controls to adjust the audio level to your preference.

Can I use the ZHA-4 for music production or audio monitoring?

Yes, the ZHA-4 can be used as a portable headphone amplifier for musicians and audio professionals during recording or mixing sessions.

Does the ZHA-4 support high-resolution audio formats?

Yes, the ZHA-4 is designed to work with high-resolution audio files, providing enhanced audio quality.