Pro-Ject Head Box E Headphone Amplifier
When it comes to delivering high-quality sound through the outputs of modern devices such as laptops or smartphones, they all fall short when used alone. These devices simply don’t have the power required to unlock the full potential of today’s high-performance headphones. The Pro-Ject Head Box E, however, provides enough power to bring out the finest sound quality from any set of headphones.
It includes one RCA input for the source of your choice, and on the front panel, you'll find two headphone jacks—one 6.3mm (1/4 inch) for hi-fi headphones, and one 3.5mm (1/8 inch) for modern head- and earphones. Both outputs can be used at the same time, making it ideal for shared listening experiences.
Features
Discrete and Dynamic Amplification
The Pro-Ject Head Box E features an unusually powerful output, making it capable of driving even demanding headphones at high volumes with exceptional clarity.
This headphone amplifier produces a rich, full-bodied sound with impressive dynamics and transparency. Importantly, it avoids the use of low-cost integrated chip designs, opting instead for a fully discrete layout with expertly engineered circuitry. This design not only achieves outstanding technical performance and clean sound measurements but also ensures long-term durability. Maintenance, servicing, and repairs are made simple, guaranteeing reliable performance for years to come.
Built to Last
Crafted from top-tier components, the Head Box E is built to provide premium performance at a budget-friendly price. Its sturdy metal enclosure shields it from electromagnetic interference and vibrations, both of which can compromise sound quality. The front panel and control knobs are fashioned from finely machined aluminium, giving the unit a sleek, professional finish. Thanks to its combination of versatility, power, and sonic excellence, the Head Box E represents a true audiophile bargain—a new benchmark for headphone amplifiers in the budget segment.
Specifications
| Power Output: | 665 mW (into 32 ohms) |
| Signal-To-Noise Ratio: | -105 dBV |
| THD +N: | < 0.005% |
| Gain: | 11 dB |
| Crosstalk: | 65 dB |
| Frequency Response: | 20 Hz – 80 kHz (±0.2 dB) |
| Analogue Inputs: | 1 pair RCA/Cinch sockets (line) |
| Headphone Output: | 1 x 6.3 mm jack, 1 x 3.5 mm jack |
| Analogue Loop Outputs: | 1 pair RCA/Cinch |
| Headphone Impedance: | 8 – 600 Ohm |
| Output Impedance (Headphone): | <1 Ohm |
| Power Supply: | 5V / 0.5A DC |
| Standby Power Consumption: | < 0.5 W |
| Dimensions W x H x D: | 103 x 37 x 120 mm |
| Weight: | 390 g (without power supply) |
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