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3 Channel Headphone Amplifier

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Sound Devices HX-3 Headphone Distribution Amplifier                        

HX-3 Portable Headphone Distribution Amplifier 
Sound Devices 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.                            
Add headphone outputs to any piece of gear with the compact HX-3 Headphone Amplifier. It quickly and simply provides three high-current stereo headphone feeds with individual level controls. Great for radio, television, and film production applications
 

C931-TA-XL-2

TA3-F to XLR-M 15" Adapter Cable


Sound Devices HX-3 Headphone Distribution Amplifier 
Product Code:SDHX3
Buy Sell Sales Sound Devices HX-3

Key Features of HX-3

  • 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

Specifications of HX-3

Frequency Response: 10 Hz - 50 kHz, -±1.0 dB, any input to any output, gain controls set to 50%
Voltage Gain: 34 dB from balanced line to headphone output, 35 dB from headphone input to headphone output
Output Clipping Level: +18 dBu minimum with 600 ohm load, +16 dBu minimum with 300 ohm load
Headphone Output Impedance: 200 ohms
Input Clipping Level: XLR: +24 dBu minimum
1/4-inch and 1/8-inch 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, 300 ohm load, 10 Hz - 22 kHz filter bandwidth)
Inputs: XLR: electronically balanced, 22k ohm input impedance, 1/4-inch unbalanced: 9.1k ohm impedance
1/8-inch unbalanced: 9.1k ohm impedance
Internal Voltage Rails: ±15 V, regulated
Power Source: Internal: 2 AA alkaline batteries, 18 hours life typical with nominal levels. External: 5 - 17 VDC via threaded coaxial connector (5.5 mm outer diameter, 2.1 mm inner diameter), pin positive, sleeve negative
Power LED: Green indicates power and good battery. Red indicates power with low batteries. LED turns red when ~ 4 hours of battery life remain
Operating Temperature Range: 0 to 70 degrees C
32 to 160 degrees F
Dimensions: 43 mm x 94 mm x 140 mm (h x w x d) (1.7" x 3.7" x 5.5")
Weight: (unit only): 0.56 kg ; 1.24 lbs
Included Accessories: 1/4-inch to 1/8-inch trs interconnect cable, rubber feet (4), locking DC jack

 


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