AKG HP4E Head Phone 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. General Specifications * Design4-Channel Headphone Amplifier * Input6.3 mm (1/4") socket - unbalanced * Input impedance100k Ohms * Output3.5 mm (1/8") socket and 6.3 mm (1/4") socket per channel * Output impedance11 Ohms * Audio frequency bandwidth20 - 20000 Hz * Max. output level220 mW * Distortion<0.05% * Signal to Noisebetter than 85 dB-A * Net weight (incl. power supply)760 g