AKG HP4E

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.

• small footprints with 4 totally independent stereo hight-power amplifiers in half 1 RU package

• carefully selected components for hight 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 adaptater is needed

• rugged construction with a strong metal housing to withstand rough working environment

• Design: 4-channel headphone amplifier with two stereo inputs and four stereo outputs

• Inputs: Two unbalanced 6.3 mm (1/4") sockets; input impedance of 100k ohms

• Outputs: Each channel offers both 3.5 mm (1/8") and 6.3 mm (1/4") headphone sockets; output impedance of 11 ohms

• Audio Performance: Frequency range of 20 Hz to 30 kHz (-3 dB); maximum output level of 220 mW at 32 ohms; distortion below 0.05%; signal-to-noise ratio better than 85 dB (A-weighted)

• Physical Specifications: Compact metal housing measuring 44.5 mm x 187 mm x 130 mm (1.75" x 7.36" x 5.12"); net weight of 760 g (28.8 oz), including power supply