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Zoom ZHA-4 Handy Headphone Amplifier

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  • 4 Channels of Headphone Monitoring
  • Great for Podcasting & Mobile Recording
  • 4 Outputs, Volume Knobs & Mute Switches
  • Powered via 2 x AA Batteries
  • Up to 4.5 Hour Battery Life
  • Accepts Bus Power over USB Type-C
  • Includes 19" Auxiliary Cable

The Zoom ZHA-4 Handy Headphone Amplifier splits a single stereo headphone output into four separate powered 1/8˝ headphone jacks, each with their own volume and mute control. Perfect for bands, podcasts, productions, and more. 

This is a battery-powered device, lasting between 3.5 and 4.5 hours on a single pair of AA batteries. However, you can also power it straight from portable power packs over USB Type-C. A 19" stereo aux cable is included with your purchase of the Zoom ZHA-4.

In the Box
  • Zoom ZHA-4 Handy Headphone Amplifier
  • Stereo Audio Cable (19")
  • Limited 1-Year Warranty
More Information
Product ConditonNew
Form Factor Portable
Number of Headphone Channels 4-Channel
Recommended Headphone Impedance Not Specified by Manufacturer
Headphone Output Power Not Specified by Manufacturer
EQ None
Display None


Analog Audio I/O 1 x 1/8" / 3.5 mm TRS Unbalanced Stereo Headphone Input 4 x 1/8" / 3.5 mm TRS Unbalanced Stereo Headphone Output (Rear Panel)
Digital Audio I/O None
Network I/O None
USB 1 x USB-C (Power/Charging Input)


Frequency Response 10 Hz to 50 kHz ±1 dB
Gain/Trim Range 24 dB
Dynamic Range ≥ 100 dB
Impedance Headphone Outputs: 47 Ohm (Unbalanced) Headphone Inputs: 10 Kilohm


Power Requirements Battery, USB Bus Power
DC Input Power 5 VDC at 1A (USB Bus Power)
Battery Type 2 x AA
Approximate Battery Life 3.5 Hours (AA Alkaline) 4.5 Hours (AA NiMH)


Dimensions 5.1 x 2.8 x 2" / 130 x 70 x 52 mm
Weight 6.3 oz / 180.0 g

Packaging Info

Package Weight 0.8 lb
Box Dimensions (LxWxH) 7.7 x 5.2 x 3.1"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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