Offer HX-3 Sound Devices HX-3 Headphone Amps

Sound Devices HX-3
Headphone Amplifier
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

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

Specifications
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