AKG HP4E 4-Channel Headphone Amplifier with Independent High-power Stereo Amplifiers, Stereo Inputs, 1/4" and 1/8" Stereo Outputs per Channel

Deliver precise, dependable headphone monitoring across studios, broadcast booths, and security/surveillance control rooms with the AKG HP4E 4-Channel Headphone Amplifier. This professional headphone amplifier from AKG combines a compact half 1U footprint and a rugged metal chassis with four independent, high-power stereo amplifiers so multiple engineers or operators can monitor simultaneously without compromise. Two stereo inputs with per-channel selection give you flexible routing at a glance, while each channel provides both 1/4" (6.3 mm) and 1/8" (3.5 mm) jacks for universal headphone compatibility. Carefully selected components maintain audio fidelity even at extreme volume levels, making the HP4E ideal for critical listening in recording, broadcast, post-production, and surveillance monitoring environments. Its small footprint saves rack space while delivering pro-grade performance for live sound, security monitoring, or studio sessions. Upgrade your monitoring chain with the AKG HP4E — perfect for multi-user listening, secure operations centers, and professional audio workflows. Order now or contact sales to integrate the HP4E into your rack and monitoring systems.

• Deliver reliable, precise headphone monitoring for studios, broadcast booths, and monitoring/security rooms with four independent stereo outputs
• Independent input selection per channel (two stereo inputs) for flexible routing and quick source switching during sessions
• Both 1/4" (6.3 mm) and 1/8" (3.5 mm) outputs on every channel—no adapters required for any headphone type
• High-power, independent stereo amplifiers keep headphones clean and audible even at high volumes for critical listening
• Compact half 1U metal chassis built for rack mounting and durable pro use in recording, broadcast, and surveillance deployments