Pro-Ject Head Box DS3 B – Ultra-Powerful Fully Balanced Headphone Amplifier
The Pro-Ject Head Box DS3 B is a no-compromise headphone amplifier built for audiophiles who need serious power with absolute control. Featuring a fully balanced, discrete amplifier design, it delivers exceptional drive, ultra-low noise, and refined detail for even the most demanding headphones—engineered for high-end personal audio systems and carefully selected for Soundium.
Key Features
- Fully balanced, discrete amplifier topology: Ensures maximum channel separation, minimal distortion, and uncompromised signal purity
- High-output power stage: Delivers up to 1500 mW of balanced power for effortless control over demanding headphones
- Balanced and single-ended headphone outputs: Supports 4.4 mm Pentaconn, 4-pin XLR, 6.3 mm, and 3.5 mm connections
- RCA and XLR analogue inputs: Integrates seamlessly into both balanced and unbalanced hi-fi systems
- Full aluminium chassis: Rigid enclosure provides effective shielding, stability, and long-term durability
Customer Benefits
Head Box DS3 B allows high-end headphones to perform without limitations. Its powerful yet controlled amplification improves dynamics, imaging, and low-level detail, while the fully balanced architecture keeps the sound clean and composed even at higher listening levels.
Quick Specs
- Dimensions: 20.6 x 7.0 x 19.4 cm
- Weight: 1.43 kg (without power supply)
- Max output power: 1500 mW (32 Ω), 560 mW (300 Ω)
- Headphone impedance support: Min. 8 Ω
- Inputs: RCA, XLR
- Headphone outputs: 3.5 mm, 6.3 mm, 4.4 mm balanced, 4-pin balanced XLR
What’s in the Box
- Pro-Ject Head Box DS3 B headphone amplifier
- External power supply
Use Cases / Ideal For
Ideal for audiophiles and headphone enthusiasts using high-impedance or low-sensitivity headphones. Well suited for reference listening setups, desktop hi-fi systems, and high-performance balanced signal chains.
Compatibility
Compatible with balanced and single-ended headphones and analogue source components such as DACs, streamers, and preamplifiers via RCA or XLR connections.
Pros & Cons
✅ Pros:
- Exceptional power reserves for demanding headphones
- True fully balanced, discrete amplifier design
- Excellent channel separation and very low noise floor
- Premium aluminium construction with refined aesthetics
⚠️ Cons:
- No digital inputs or internal DAC
- Larger footprint than entry-level headphone amplifiers
The Pro-Ject Head Box DS3 B represents a serious step into high-end headphone amplification. With class-leading power, balanced precision, and robust build quality, it’s a compelling choice for listeners who demand absolute performance from their headphones—available at Soundium.
