HP4E

The AKG HP4E is a professional 4-channel headphone amplifier designed for recording studios, podcasting, broadcast, and multimedia production. Featuring four independent high-power headphone amplifiers, dual stereo inputs, and both ¼-inch and 3.5 mm headphone outputs on every channel, it provides flexible, high-quality headphone monitoring in a compact half-rack format. From The Manufacturer: The HP4E professional headphone amplifier features two stereo input and four stereo output channels of high-quality audio. Designed for ease of use, convenient front-panel switches allow each user to select their preferred input source. Every output channel includes both a ¼-inch (6.3 mm) and ⅛-inch (3.5 mm) headphone socket, eliminating the need for adapters. Housed in a rugged metal chassis, the HP4E is an ideal headphone amplifier for recording sessions and studio monitoring. Key Features: Four independent stereo headphone amplifiers Two selectable stereo inputs Independent input selection for each output ¼-inch (6.3 mm) and ⅛-inch (3.5 mm) headphone outputs on every channel High-quality, high-power headphone amplification Compact half 1U rack format Rugged all-metal housing Low distortion audio performance Ideal for recording and broadcast applications Specifications: Product Type: 4-Channel Headphone Amplifier Channels: 4 Independent Stereo Outputs Inputs: 2 × ¼-inch (6.3 mm) Unbalanced Stereo Input Impedance: 100 kΩ Outputs: 4 × ¼-inch (6.3 mm) Stereo 4 × ⅛-inch (3.5 mm) Stereo Output Impedance: 11 Ω Maximum Output Power: 220 mW per Channel Frequency Response: 20 Hz – 20 kHz THD: <0.05% Signal-to-Noise Ratio: >85 dB(A) Power Supply: External 12 V DC Adapter Included: AKG HP4E Headphone Amplifier 12 V Power Supply Quick Setup Guide Applications: Recording studios Podcast production Broadcast facilities Voice-over studios Content creation Music rehearsal Multimedia production Included Accessories: 12 V power supply Quick setup guide Accessories (Not Included): Headphones Audio cables Rack mounting accessories Flight case Size: Half 1U Rack Format Weight: 760 g (including power supply) Electrical/Thermal: External 12 V DC power supply Four independent high-power headphone amplifiers Low-noise analogue circuitry Designed for continuous professional operation