Headbox E - Headphone amplifier
black - Pro-Ject

• Headbox E - Headphone amplifier - black - Pro-Ject

Head Box E - Compact powerhouse for audiophile listening pleasure
In a world where mobile devices such as smartphones and laptops set the tone, one thing often falls by the wayside: sound quality through high-quality headphones. This is because these devices lack the necessary output power to make the most of sophisticated headphones. This is exactly where the Head Box E shows what it's made of: a powerful headphone amplifier that sets new standards in terms of sound quality.

Sound power meets flexibility
Thanks to its high amplifier power, the Head Box E ensures impressive dynamics, rich bass and crystal-clear highs - even with high-impedance or power-hungry headphones. Whether classic hi-fi headphones with a 6.3 mm jack or compact in-ears with a 3.5 mm connection: both formats are supported and can even be operated simultaneously - ideal for listening to music together or for comparison listening.

Technology that impresses
Unlike many devices in the entry-level segment, the Head Box E has a completely discrete design. It deliberately dispenses with integrated chipsets and instead uses an independent circuit technology with low-noise and low-distortion components. The result: excellent technical performance, a long life cycle and excellent serviceability.

Solidly built - uncompromisingly functional
The solid metal housing protects against electromagnetic interference and at the same time ensures mechanical stability. The milled aluminum front panel gives the device an elegant appearance and is designed for long-term use. Despite its robust construction, the Head Box E remains compact and space-saving, perfect for any setup.

Technical highlights at a glance

• Output power: 665 mW (32 Ohm)
• Frequency response: 20 Hz - 80 kHz (±0.2 dB)
• Signal-to-noise ratio (SNR): -105 dBV
• Distortion factor (THD+N): < 0.005 %
• Gain: 11 dB
• Headphone outputs: 1× 6.3 mm, 1× 3.5 mm - both can be used simultaneously
• Analog inputs & outputs: 1× RCA input, 1× RCA loop output
• Headphone impedance: 8 - 600 Ohm
• Output impedance: < 1 Ohm
• Power supply: 5 V DC / 0.5 A
• Power consumption standby: < 0.5 W
• Dimensions (W × H × D): 103 × 37 × 120 mm
• Weight: 390 g (without power supply unit)
• Colors: Black or silver (front panel)

Conclusion
The Head Box E is a real highlight among compact headphone amplifiers. It combines powerful performance, outstanding sound quality, high-quality materials and sophisticated design - all at an extremely attractive price. Whether for the home hi-fi system, the workplace or the audio studio: this little box has it all.