Harman 

Harman 3450H00010 AKG HP4E HEADPHONE AMPLIFIER

Mfg Part Number:  3450H00010  
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Price: $168.20 + Free Shipping
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Last Updated: Jan 30, 2026
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The ideal compact headphone amp

The HP4E professional headphone amplifier features two stereo input and four stereo output channels of high-quality audio. Designed for ease of use, convenient switches on the front plate enable you to select your designed input. Each channel features both a 1/8" (3.5 mm) and 1/4" (6.3 mm) headphone output for easy connectivity - no adapters required. Housed in a sturdy metal chassis, the HP4E is an ideal headphone amp for any recording session. Available in the US only.

Main Specification
General Information
Manufacturer Harman International Industries, Inc
Manufacturer Part Number 3450H00010
Manufacturer Website Address http://www.harman.com
Brand Name AKG
Product Model HP4E
Product Name HP4E 4-Channel Headphone Amplifier
Product Type Headphone Amplifier
Physical Characteristics
Product Color Black
Product Material Metal
Weight (Approximate) 1.68 lb
Miscellaneous
Package Contents
  • HP4E 4-Channel Headphone Amplifier
  • Power Supply
Additional Information
  • Design: 4-Channel Headphone Amplifier
  • Input: 6.3 mm (1/4") socket - unbalanced
  • Input impedance: 100k Ohms
  • Output: 3.5 mm (1/8") socket and 6.3 mm (1/4") socket per channel
  • Output impedance: 11 Ohms
  • Audio frequency bandwidth: 20 - 20000 Hz
  • Max. output level: 220 mW
  • Distortion: <0.05%
  • Signal to Noise: better than 85 dB-A
Application/Usage Headphone
Country of Origin China
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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