LD Systems HPA4 - 4-Channel Headphone Amplifier

Multi-User Monitoring With Independent Control.

The LD Systems HPA-4 is a robust and versatile 4-channel stereo headphone amplifier, designed to distribute a single audio source to multiple listeners with individual control. Housed in a durable metal chassis, this amplifier is built for longevity and reliable performance in demanding environments such as recording studios, rehearsal spaces, and educational facilities. Its compact form factor makes it an ideal addition to any audio setup where shared monitoring is essential.

Flexible Connectivity And Individual Level Control

The HPA-4 offers highly flexible connectivity, featuring both 6.35 mm (1/4") TRS jack and RCA (L&R) stereo inputs for seamless integration with a wide range of audio sources, including mixing consoles, audio interfaces, and media players. Its primary function lies in its four independent stereo output channels, each equipped with its own dedicated volume control. This crucial feature empowers every user to precisely adjust their listening level without affecting the other channels, ensuring a comfortable and personalised monitoring experience for all participants.

Clean Signal Amplification For Diverse Applications

Engineered to deliver a clean and powerful signal, the Adam Hall HPA-4 ensures high-fidelity audio reproduction across its operational range. It effectively amplifies the source signal to drive various types of headphones with clarity and ample headroom. Whether you are a band rehearsing, a recording engineer tracking multiple musicians, or an educator providing audio cues to students, the HPA-4 serves as an indispensable tool. Powered by an included DC 12V adapter, it combines straightforward operation with professional-grade performance, making shared monitoring simple and efficient.

KEY FEATURES: LD Systems HPA4 - 4-Channel Headphone Amplifier

• 4 Independent Stereo Channels: Allows individual volume adjustment for each listener.
• Durable Metal Chassis: Ensures robust protection and long-term reliability.
• Versatile Stereo Inputs: Features both 1/4" TRS jack and RCA (L&R) for broad compatibility.
• Individual Volume Controls: Enables precise, personalised listening levels per channel.
• Clean Signal Amplification: Delivers high-fidelity audio to all connected headphones.
• Compact Design: Ideal for optimising space in studios or on stage.
• Included DC 12V Power Adapter: Provides dedicated and stable power.
• Ideal For Group Monitoring: Perfect for studios, bands, education, and multimedia.