AKG HP4E 4 Channel Headphone Amplifier

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.

Key Features

• Small footprint with 4 totally independent stereo high-power amplifiers in half 1 RU package
• Carefully selected components for high quality audio even at extremely high volume levels
• Two stereo inputs for full flexibility with independent selection of input for each output
• Two outputs per channel with each a 1/4" (6.3mm) and 1/8" (3.5mm) stereo socket so no adapter is needed
• Rugged construction with strong metal housing to wIt'stand rough working environments

Technical Specifications

General
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 to 20000 Hz
Max. output level
220 mW
Distortion
<0.05%
Signal to Noise
better than 85 dB-A
Net weight (incl. power supply)
760 g