Sound Devices HX-3 Headphone Amplifier



Portable, Battery-Powered Headphone Distribution Amplifier

The compact HX-3 Headphone Distribution Amplifier is the perfect accessory to quickly provide three high-performance stereo headphone feeds with individual level controls from line-level sources. The HX-3 can produce very high headphone levels with extremely low noise and distortion.

Great for radio, television, film, and music production applications, the battery-powered HX-3 accepts balanced XLR line-level inputs or unbalanced 1/4-inch and 1/8-inch stereo inputs. Its 1/4-inch loop-out can connect multiple HX-3's for additional headphone outputs. Headphones are connected to panel-mounted 1/4-inch stereo connectors.

The HX-3 has a durable aluminum chassis to withstand the punishment of field and studio environments. The unit is powered by inexpensive batteries (two-AA) or external 5-18 VDC.

The HX-3 can add headphone outputs to the 442, 302, MixPre, MM-1, and USBPre.

HX-3 with Headphones

Key Features
  • Three isolated headphone outputs with individual volume controls.

  • 125 dB dynamic range with flat frequency response.

  • Durable 1/4-inch connectors, panel mounted for strength.

  • Stereo or mono monitoring.

  • Peak LED indicates headphone overload.

  • Two balanced XLR line level inputs or unbalanced 1/4-inch and 1/8-inch stereo inputs.

  • Loop Output to connect additional HX-3's in series.

  • All-metal connectors solidly mounted to the chassis for durability and RF immunity.

  • Free from "Pin-1" grounding problems.

  • Internal battery-power for up to 18 hours from two AA alkaline batteries.

  • Chassis-isolated 5 to 18 VDC input for easy external DC powering.

  • Power LED indicates low battery power.

  • High strength, extruded aluminum chassis with protective metal end panels.

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