Violectric HPA V550 PRO Professional Headphone Amplifier with High-End Audio Performance (AMS-HPA-V550-PRO)

Violectric HPA V550 PRO Headphone Amplifier

Description

The Violectric HPA V550 PRO is a premium professional headphone amplifier designed for reference-grade audio monitoring and high-end listening applications. Building on the acclaimed HPA V550 platform, the PRO version introduces an advanced 256-step relay-controlled volume system for exceptionally precise level adjustments and enhanced channel matching.

Engineered for professional studios and demanding audiophiles, the HPA V550 PRO delivers remarkable power, clarity, and control for a wide range of headphones, including low-impedance, high-impedance, and planar magnetic models. Its advanced amplifier architecture ensures ultra-low noise, wide dynamic range, and highly accurate sound reproduction.

With multiple analog inputs, balanced and unbalanced outputs, remote operation, and premium internal components, the HPA V550 PRO provides exceptional flexibility and performance. Dual toroidal transformers and high-capacity filtering ensure clean, stable power delivery for uncompromised audio quality in any critical listening environment.

Key Features

• Professional reference-grade headphone amplifier
• Advanced 256-step relay-controlled volume system
• Precise volume matching for professional monitoring
• Three analog stereo inputs: 2 RCA and 1 balanced XLR
• Headphone outputs: 2 x 6.3 mm unbalanced and 1 x 4-pin XLR balanced
• Four powerful amplifiers for exceptional output performance
• 6400 mW maximum output into 50 ohms
• 21V RMS output into 600 ohms
• Adjustable ±18 dB pre-gain for optimal headphone matching
• Separate switching for headphone and line-out signal paths
• Balanced and unbalanced line outputs
• Remote control for volume, mute, input, and output selection
• Motorized volume control with balance adjustment
• DC voltage and overload protection monitoring
• Dual toroidal transformers for stable power delivery
• Over 35,000 µF filter capacity for clean performance
• Ideal for mastering, studio monitoring, and critical listening