The AKG HP4E Headphone Amplifier is 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 AKG HP4E is an ideal headphone amp for any recording session.

• 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 each with a 1/4" (6.3mm) and 1/8" (3.5mm) stereo socket, no adapter needed
• Rugged construction with strong metal housing to withstand rough working environments

• 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
• Net Weight (incl. Power Supply): 760 g

• AKG HP4E Headphone Amplifier
• Power Supply (12V)
• Quick Setup Guide
• 2 Year Warranty