PreSonus HP4 – 4-Channel Headphone Amplifier and Monitor Controller
The PreSonus HP4 is a compact and powerful 4-channel headphone amplifier and monitor control system designed for professional studios, home recording setups, and live environments.
Delivering crystal-clear sound, independent volume control, and high output power, the HP4 allows multiple musicians or engineers to monitor mixes with precision and comfort.
Its integrated stereo monitor output with mute and mono functions makes it an excellent all-in-one solution for managing headphone mixes and speaker monitoring in any setup.
Key Features
- Four independent headphone outputs, each with its own volume control.
- High-quality headphone amplifiers delivering clean, powerful sound for any type of headphones.
- Dedicated stereo line inputs (¼” TRS) for connecting mixers, audio interfaces, or playback systems.
- Balanced stereo monitor outputs with front-panel level control, mono switch, and mute function.
- Ultra-low noise floor and wide frequency response for pristine sound quality.
- Compact, rugged metal housing ideal for desktop or rackmount studio integration.
- High output power ensures consistent, distortion-free monitoring even with demanding headphones.
- Simple plug-and-play operation—no software setup required.
- Perfect companion for PreSonus AudioBox, Studio Series, or Quantum interfaces.
Applications
- Recording Studios: Provide up to four musicians with individual headphone feeds during tracking.
- Mixing and Editing: Reliable headphone monitoring for producers and engineers.
- Podcasting and Broadcasting: Offer multiple hosts or guests clean, independent headphone outputs.
- Home Studios: Manage both headphone and speaker monitoring from one compact unit.
Technical Specifications
| Number of Channels | 4 independent headphone amplifier channels |
|---|---|
| Main Inputs | 2 × ¼” TRS balanced (left and right) |
| Monitor Outputs | 2 × ¼” TRS balanced (left and right) |
| Headphone Outputs | 4 × ¼” TRS stereo jacks |
| Frequency Response | 10 Hz – 50 kHz ±0.5 dB |
| THD+N | < 0.002% @ 1 kHz, +4 dBu |
| Output Power | 150 mW per channel @ 60 Ω |
| Signal-to-Noise Ratio | > 98 dB |
| Input Impedance | 10 kΩ balanced |
| Power Supply | Internal 230V / 115V AC, 50/60 Hz (fixed) |
| Controls | Individual headphone level, master volume, mono, and mute buttons |
| Dimensions (H × W × D) | 44 × 140 × 132 mm |
| Weight | 1.2 kg |
| Construction | All-metal chassis, compact desktop form factor |
Why Choose the PreSonus HP4?
The PreSonus HP4 suits studio-grade sound, versatility, and simplicity in one compact unit.
Ideal for small studios, bands, and production setups, it allows multiple listeners to enjoy powerful, independent headphone mixes while also controlling monitor speakers directly from the same device.
With professional audio performance and PreSonus’ reputation for reliability, the HP4 is a smart, affordable monitoring solution for any creative workspace.