Zoom ZHA-4 Handy Headphone Amplifier User Manual
- June 12, 2024
- Zoom
Table of Contents
Zoom ZHA-4 Handy Headphone Amplifier
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.
Can I connect the ZHA-4 to a headphone distribution amplifier?
Yes, the ZHA-4 can be used in conjunction with a headphone distribution amplifier to further expand audio monitoring capabilities.
What is the output power rating of the ZHA-4?
The output power of the Zoom ZHA-4 Handy Headphone Amplifier is typically around 10mW per channel.
Does the ZHA-4 support balanced headphone connections?
How long does the battery last on the ZHA-4?
The battery life of the ZHA-4 depends on usage, but it can last several hours on a single charge.
Does the ZHA-4 have any built-in EQ or sound enhancement features?
The ZHA-4 typically does not have built-in EQ or sound enhancement options.
Can I use the ZHA-4 for personal audio monitoring during video recording?
Yes, video creators can use the ZHA-4 to monitor audio quality while recording videos.
Is the ZHA-4 suitable for audiophiles?
Yes, the ZHA-4 is designed to appeal to audiophiles seeking improved headphone audio quality.