Questions? Call Us:

Sound Devices HX-3
Headphone Distribution Amplifier


Our Price: $455.00
Write the first review.
Sound Devices HX-3
Usually ships in 7-14 business days.
Need it sooner? Call us!

Related Products

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.


  • Three high-current stereo headphone outputs
  • Individual volume control for each headphone feed
  • Stereoor mono headphone monitoring
  • Peak LED - shows if headphones are clipping
  • Loop output to connect additional HX-3 amps
  • Flexible inputs - balanced line level XLR, stereo 1/4", and stereo 1/8" inputs
  • Battery (2 x AA) or external 5-17 VDC powering
  • Quick change battery compartment
  • Compact, durable mechanical construction


  • Frequency Response: 10 Hz-50 kHz, +/-1.0 dB, any input to any output gain controls set to 50%
  • Voltage Gain:
        * 34 dB - Bal line toheadphones
        * 35 dB - 1/4"& 1/8" to headphones
  • Output Clipping Level:
        * +18 dBu minimum with 600ohm load
        * +16 dB minimum with 300 ohm load
  • Headphone Output Impedance: 200 ohms
  • Input Clipping Level:
        * XLR: +24 dBuminimum
        * 1/4"& 1/8" inputs: +22 dBu minimum
  • Dynamic Range (balanced line inputs): 120 dB minimum
  • THD + Noise: 0.03% maximum (from 10 Hz to 22 kHz @ +10 dBu input and output level)
  • Inputs
        * XLR: electronically balanced, 22 kohm inputimpedance
        * 1/4" unbalanced: 9.1 kohmimpedance
        * 1/8" unbalanced: 9.1 kohm impedance
  • Loop Output: Unbalanced, 200 ohm output impedance
  • Internal Voltage Rails: +15 V and -15 V, regulated
  • Power
        * Internal: 2 AA alkaline batteries, 10 hourslife typical with normal
        * External: 5-17 VDC via threaded coaxial connector
  • Power LED: Green indicated power and good battery, Red indicates powerwith low batteries

To be the first to review this item, click here.

Add to Cart

We're sorry, only of this item available

Call a Sales Pro at 800-356-5844 for more information

© 2018 Full Compass Systems, LTD  9770 Silicon Prairie Parkway, Madison, WI 53593  All rights reserved.

We are not responsible for typographical errors in pricing or product specification
inaccuracies in our catalog or web site. Prices are subject to change without notice.