Compact Headphone Amplifier
The Pro-Ject Head Box E was designed to deliver high-quality headphone amplification in a compact and affordable form factor. Perfect for audio enthusiasts seeking a dedicated solution for private listening, the Head Box E brought clarity, detail, and power to any compatible pair of headphones.
Engineered with a focus on sound fidelity, simplicity, and minimalistic design, the Head Box E provided an excellent upgrade from standard headphone outputs on consumer electronics.
Key Features
Audiophile-grade performance in an entry-level package
High-quality amplification stage for low to medium impedance headphones (32–300 ohms)
Low-noise circuitry designed to minimize signal interference
Front-panel 6.3 mm headphone jack
External power supply to isolate noise and improve audio performance
Compact, metal enclosure to reduce mechanical and electrical interference
Stylish brushed aluminum front panel in black or silver
Specifications
| Specification | Value |
|---|---|
| Output Power | 60 mW/30 ohms |
| Headphone Impedance | 30–300 ohms |
| THD + Noise | < 0.005% |
| Signal-to-Noise Ratio | 88 dB |
| Frequency Response | 20 Hz – 20 kHz (+/- 0.5 dB) |
| Input | 1× stereo RCA line-level |
| Output | 1× 6.3 mm stereo headphone |
| Power Supply | 18 V / 500 mA DC |
| Dimensions (W × H × D) | 120 × 32 × 100 mm |
| Weight | 270 g (without power supply) |
Designed for Pure Listening
The Head Box E was the perfect partner for desktop or small-space listening setups. It offered a clear upgrade for headphone users tired of lifeless output from integrated audio jacks. Whether paired with a Pro-Ject turntable system, a CD player, or a digital streamer, the Head Box E delivered consistently clean and punchy sound.
