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Nady HPA-4 4-Channel Rackmount Headphone Amplifier

  • Price: $98.29
  • B&H # NAHPA4
  • Mfr# HPA-4

Product Highlights

  • 1RU Rack Chassis
  • 4 Independent Stereo Channels
  • 1/4" Inputs and Outputs
  • Individual Volume Controls
  • Daisy-Chain Capability
  • Internal Switchable Power Supply

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The HPA-4 from Nady is a high-quality stereo headphone amplifier that provides 4 independent channels in a compact and rugged 1RU rackmount chassis. Each channel features 1/4" phone and line stereo outputs, as well as servo-balanced L/R 1/4" inputs. Selector switches let you choose to send any input to any output. This creates terrific versatility, allowing all 4 headphone outputs to monitor the same input signal, or each monitor its own unique input.

Each channel has its own volume control, letting users pick the level that's best for them. Thanks to the versatile outputs, up to 4 units can be daisy-chained together for additional headphone and line distribution setups. The amplifier features high-quality components with a no-compromise circuit design to provide reference-quality audio and excellent headroom, even at high volume levels. The shielded internal power supply has a selectable voltage for convenient international use.

Compact and rugged 1RU rackmount chassis fits in any standard equipment rack
4 totally independent stereo channels
Each channel has 1/4" phone and line output connectors to support a variety of monitoring and line distribution options
Each channel has its own 1/4" servo-balanced L/R inputs
Input source select switches enable independent selection of any of the input signals for each headphone/line output. This lets you send the same signal to each output, different signals to each output, or a mix for terrific versatility
Independent volume controls adjust the level of both the headphone and line outputs on each channel
The versatile output options allow up to 4 units to be daisy-chained together for additional headphone and line distribution setups
The amplifier features high-quality components with a no-compromise circuit design to provide reference-quality audio and excellent headroom, even at high volume levels
The shielded internal power supply has a selectable voltage for convenient international use
Number of Channels 4
Input Connections 4 x 1/4" Servo-Balanced Inputs (L/R)
1 x AC Power Input
Output Connectors 4 x 1/4" Stereo Headphone Jacks
4 x 1/4" Stereo Line Outputs
Maximum Output Level 300mW @ 32 Ohms
Function Controls 1 x Power Switch
4 x Volume Knobs
4 x Input Select Switches
1 x Voltage Select Switch
Frequency Response 20Hz - 20kHz
THD + N 0.02%
Signal to Noise Ratio > 80dB
Display No
Power Requirements 100-240VAC, 50/60Hz, Selectable
Power Consumption 11.5VA
Fuse 100-120VAC: 630mA (Slow-Blow)
200-240VAC: 315mA (Slow-Blow)
100-240VAC: 500mA (Slow-Blow)
5x20mm Glass Type
Dimensions (HxWxD) 1.75 x 19 x 8.5" (44 x 483 x 217mm)
Weight 6.93 lbs (3.15kg)

Cables

Comprehensive -  1/4" Phone Male TRS to 1/4" Phone Male TRS Stereo Cable - 3'
  • Price: $3.99
 

Extension Cables

Hosa Technology -  Stereo 1/4" Female Phone to 1/4" Male Phone TRS Cable - 10'
  • Price: $6.99
 

Adapters

Pro Co Sound -  343PC Female Stereo Mini to Male Stereo Phone Coupler
  • Price: $1.29
 

Headphones

Nady -  QH 200 Studio-Style Stereo Headphones
  • Sugg Retail Price: $9.99
 

Racks

Gator Cases -  GR-STUDIO4U 4U Studio Rack Cabinet
  • Price: $84.99
 

Cases & Protection

Gator Cases -  GR2L Standard Rack Case
  • Price: $129.99
 
View all Accessories

What's in the Box

Nady HPA-4 4-Channel Rackmount Headphone Amplifier
  • Power Cord
  • 1-Year Limited Warranty
 
 
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