Violectric HPA V340 – Headphone Amplifier with Preamp Function

The Violectric HPA V340 is the flagship model from the German manufacturer – a combination of a fully balanced headphone amplifier and a high-end stereo preamplifier. Designed for demanding audiophiles and professionals, this unit offers maximum sound quality, performance, and versatility. Built on award-winning designs from Lake People, Violectric, and Niimbus, it ensures ultra-low noise, high output voltage, and excellent signal control.

Product Features

• Top-tier audio quality with up to 5000 mW output at 50 Ω
• Two RCA stereo inputs with PRE-GAIN adjustment: −18 dB to +18 dB (7 steps)
• Balanced and unbalanced headphone outputs: XLR 4-pin + 2× 6.3 mm jacks
• Preamp outputs: XLR and RCA (switchable between PRE and POST)
• Frequency response: 5 Hz – 250 kHz (−0.5 dB)
• Extremely low output impedance: 0.15 Ω (unbal.) / 0.3 Ω (bal.)
• Damping factor up to 320 – perfect for planar magnetic headphones
• Toroidal power transformer with over 26,500 µF filtering capacity

Unmatched Power and Signal Control

The HPA V340 offers remarkable flexibility – from adjustable input gain to independent switching of headphone and line outputs. With a 50 V internal power supply, it delivers impressive dynamic range, ultra-low distortion, and absolute control even over demanding headphones. Its robust construction – anodized aluminum housing and premium internal components – ensures reliability and high-fidelity performance in both home and studio environments.

Use Cases

• High-power headphone amplifier suitable even for planar magnetic headphones
• Stereo preamplifier for high-end audio systems
• Perfect for audiophile setups, mastering studios, and professional monitoring

Technical Specifications

• Inputs: 2× RCA (max +21 dBu, 10 kΩ impedance)
• Line outputs: 1× XLR, 1× RCA (PRE or POST switchable)
• Headphone outputs: 1× XLR 4-pin, 2× 6.3 mm jack
• PRE-GAIN: 7 steps (−18 / −12 / −6 / 0 / +6 / +12 / +18 dB)
• Dynamic range: > 131 dB, Self-noise: < −102 dBu
• THD+N: < 0.0008% (1 kHz, 2×10 V, 100 Ω)
• Enclosure: 3–6 mm anodized aluminum
• Dimensions: 290 × 90 × 282 mm, Weight: 4.8 kg

Materials and Build

The housing of the HPA V340 is made from high-grade, black anodized aluminum – a 6 mm front panel and 3–4 mm casing. Internally, it features a powerful 25 VA toroidal transformer supported by over 26,500 µF filtering capacitance, ensuring stable power delivery and outstanding signal clarity even under challenging conditions.

Included in the Box

• Violectric HPA V340 – headphone amplifier with preamp
• Power cable
• User manual (EN/PL)
• Original manufacturer's packaging

Why Choose This Model?

The Violectric HPA V340 is built for those who seek uncompromising sound quality. With its balanced architecture, high output power, low noise, and precise frequency response, it's the ideal choice to drive any headphones – even the most demanding planar models. Its preamp functionality and versatile connectivity make it the perfect centerpiece for your high-fidelity system or studio setup.