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 specications of the product could be changed without notice.
Features
• Portable, stereo headphone amplier 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 provides high exibility 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.
Specications
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.
Stereo mini cable 2 AA batteries
❶ Headphone Output Jacks
Four individual panel mounted 3.5 mm headphone
jacks.
❷ Headphone Volume Knobs
Control volumes for each headphone output.
❸ Mute Buttons
Mute each headphone output.
❹ Power Indicator
Green: Normal Power Supply
Red: The battery level is low. Replace the batteries
with new ones.
❺ 3.5 mm input jack
Connect line or headphone output of audio
equipment to this jack.
❻ Power supply USB port (Type-C)
This power supply USB port is for connecting an AC
adapter or portable battery.
❼ 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
ZHA-4 Handy Headphone Amplier
Z2I-4217-01
Functions of parts
Using batteries
Furnished Accessories
BATTERY
AA
SIZEx2
[HR6(1.2V)/LR6(1.5V)/FR6(1.5V)]
OPEN
Open while pressing down
Line or headphone
output of audio
equipment
❶
❹
❺
❷
❸
❻
❼
