Pro-Ject Head Box E Headphone Amplifier

The Pro-Ject Head Box E is a compact, high-quality headphone amplifier designed to bring out the full potential of your favourite wired headphones.

Ideal for desktop, hi-fi and vinyl-based systems, it provides a clean, controlled power boost for headphones that need more drive than a standard headphone socket can deliver.

With its minimalist design and solid build, it’s a simple upgrade for anyone who values clear, detailed listening.

Built around a low-noise analogue circuit, the Head Box E delivers a more dynamic and engaging sound than typical built-in outputs found on turntables, streamers or integrated amplifiers.

It’s especially well suited to music lovers using quality headphones who want improved clarity, better bass control and higher listening headroom without unnecessary complexity.

• Dedicated Headphone Amplification: Provides cleaner, more powerful output than standard headphone sockets for improved detail and dynamics.
• Wide Headphone Compatibility: Designed to drive a broad range of headphone impedances, making it suitable for most wired headphones.
• Low-Noise Analogue Circuitry: Ensures clear, distortion-free sound with accurate tonal balance across the frequency range.
• Compact Desktop Design: Small footprint makes it ideal for desks, shelves and hi-fi racks without clutter.
• Simple Plug-and-Play Operation: Straightforward analogue input and front-mounted headphone output for easy everyday use.
• External Power Supply: Helps reduce electrical noise for a cleaner, more stable audio performance.

A smart, affordable upgrade for anyone looking to enjoy their headphones at their best from turntables, DACs or line-level sources.

What You Get

• 1 x Head Box E
• 1 x Power Supply
• 1 x User Manual

Specifications

• Crosstalk: 65dB
• RCA Input(s): 1 pair
• Headphone Output: 3.5mm mini jack + 6.3mm jack
• Headphone Amp Output Power: 665mW (into 32 ohms)
• Headphone Amp Signal-to-Noise Ratio: -105d
• Headphone Output Impedance: <1Ω
• Headphone Amp THD: <0.005%
• Headphone Amp Frequency Response: 20Hz – 80kHz (±0.2dB)
• Headphone Amp Gain: 11dB
• External Power Supply Rating: 5V / 500mA DC
• Maximum Power Consumption: <0.5W
• Dimensions (W x H x D): 103 x 37 x 120 mm
• Weight: 0.39kg
• Headphone Impedance: 8 – 600Ω
• Warranty: 2 Years