Zoom ZHA-4 - 4 Channel Headphone Amplifier

The Zoom ZHA-4 is a portable 4-channel headphone amplifier designed for bands, podcasters, and aud...

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Wex Photo VideoZoom ZHA-4 4 Channel Headphone Amplifier - Black - 4 Channel
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Product Information

Full details

The Zoom ZHA-4 is designed for podcasters, musicians, and audio engineers who need a reliable, compact solution for multi-person monitoring in the field or the studio. Its primary benefit is the ability to split a single stereo source into four independent, powered headphone outputs, each with individual controls, though users should note it lacks balanced XLR inputs, requiring standard 1/8-inch connectivity.

All features

Model Part NumberZHA-4
BrandZoom

Extended Product Information

FAQs

Can I use the ZHA-4 with a smartphone?

Yes, provided your smartphone has a 1/8-inch headphone jack or you are using a compatible adapter.

Does this amplifier support balanced cables?

No, the ZHA-4 is designed for standard stereo 1/8-inch (3.5mm) unbalanced connections.

How long do the batteries last?

Battery life varies based on headphone impedance and volume levels, but the unit is optimized for power efficiency during extended sessions.

Can I daisy chain multiple ZHA-4 units?

While technically possible by sending an output to another input, it is not recommended as it may introduce noise and signal degradation.

Does it come with a power adapter?

No, the ZHA-4 is designed primarily for portable use and relies on battery power.

Troubleshooting

No audio output in headphones

Verify the mute switch is not engaged and check that the volume knob is turned up.

Audio signal is clipping or distorted

Reduce the output volume from your primary audio source (mixer or recorder) to avoid overloading the amplifier input.

Low battery indicator or power loss

Replace the batteries immediately with fresh high-quality alkaline or rechargeable cells.

Pros and Cons

Pros

  • Ultra-lightweight and portable build
  • Individual volume and mute controls per channel
  • Effective for small-scale group monitoring
  • Battery-powered for remote field work

Cons

  • Limited to 1/8-inch connectivity
  • No XLR or balanced input support
  • Requires frequent battery management for long sessions

Setup, Compatibility & Care

To set up the ZHA-4, connect your main stereo signal from your audio interface or recorder to the input jack using an 1/8-inch TRS cable. Insert fresh batteries into the compartment, then connect your headphones to any of the four output ports. For care, keep the unit away from extreme moisture or dust. When not in use, remove the batteries to prevent leakage. Wipe the exterior with a dry, lint-free cloth to maintain the finish.

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