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Violectric HPA V324 True-Balanced Headphone Amplifier and Preamp

BH #VIV324 • MFR #V324
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Violectric HPA V324 True-Balanced Headphone Amplifier and Preamp
Key Features
  • Headphones/Power Amps/Active Speakers
  • 5000mW at 50 Ohms / 740mW at 600 Ohms
  • XLR 4-Pin Headphone Output, Balanced
  • 4.4mm Pentaconn Output, Balanced
The Violectric HPA V324 is a high-performance, true-balanced analog headphone amplifier featuring an integrated high-quality preamplifier. Drawing on the award-winning engineering of Lake People, Violectric, and Niimbus, the HPA V324 delivers transparent, dynamic playback that meets the highest audiophile standards for both professional- and home-listening applications.
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Violectric HPA V324 Overview

The Violectric HPA V324 is a high-performance, true-balanced analog headphone amplifier featuring an integrated high-quality preamplifier. Drawing on the award-winning engineering of Lake People, Violectric, and Niimbus, the HPA V324 delivers transparent, dynamic playback that meets the highest audiophile standards for both professional- and home-listening applications.

With four amplifier stages providing true-balanced operation, the HPA V324 delivers up to 5000mW of output power at 50 ohms, and 740mW at 600 ohms. It offers a wide range of connectivity options including balanced headphone outputs via 4-pin XLR and 4.4mm Pentaconn, and an unbalanced output via a 1/4" jack—accomodating a broad spectrum of headphones including low-impedance and planar magnetic designs.

Additionally, the amplifier is equipped with two pairs of balanced and unbalanced analog line inputs and outputs (XLR and RCA), allowing seamless integration with power amplifiers, active speakers, and other gear. Unique features such as front-panel Pre-Gain control, a remotely controllable motorized volume knob, and precision-calibrated VU meters ensure precise level monitoring and optimal performance.

Balanced Headphone Outputs
The Violectric HPA V324 supports true-balanced operation via 4-pin XLR and 4.4mm Pentaconn connectors, delivering superior channel separation for a more immersive and precise listening experience.

To fully unlock the potential of balanced playback, the HPA V324 employs advanced circuitry with four independent amplifier stages—two for each channel—ensuring exact, distortion-free amplification. This results in exceptional clarity, dynamic range, and fidelity that meets the highest audiophile standards.

Pre-Gain Control
The HPA V324’s Pre-Gain adjustment allows seamless matching between different source devices and headphones, ensuring optimal signal integrity and volume control. Located conveniently on the front panel, the gain can be adjusted in six precise steps from -18 to +12 dB. This fine-tuning capability compensates for variations in input levels, delivering crystal-clear sound with minimal noise, negligible distortion, and ideal channel balance.
Intelligent Headphone Protection
Your headphones are protected at all times by multiple safety circuits that monitor operating conditions and act instantly when needed:

  • Delayed ON, Instant OFF: Headphones are connected only after startup stabilization and are immediately disconnected upon shutdown.
  • DC Monitoring: Constant monitoring for DC voltage at the output protects your headphones from potential damage by disengaging the circuit if necessary.
  • Overload Protection: Power consumption is continuously measured, and headphones are disconnected if predefined thresholds are exceeded.
Violectric's Unique Technology
Engineered for purists, the HPA V324 incorporates proprietary innovations that elevate headphone performance to reference-class levels:

  • Ultra-Low Noise: Achieved through minimal internal gain, rendering amplifier noise virtually inaudible.
  • High Output Voltage: Powered by a 50V internal rail, providing ample headroom for high-impedance headphones.
  • Massive Output Power: Robust amplification stages drive even the most demanding headphones—ideal for low-impedance and planar magnetic designs.
  • Exceptional Damping Factor: Ultralow output impedance ensures tight control over headphone drivers, preserving tonal accuracy and frequency response.

 

Violectric HPA V324 Specs

Key Specs
Number of Headphone Channels
2-Channel
Recommended Headphone Impedance
Not Specified by Manufacturer
Headphone Output Power
Up to 5000 mW
Audio I/O
1/4" / 4.4 mm Balanced / XLR 4-Pin Balanced (Headphone)
XLR / RCA (I/O)
Digital Audio I/O
No
USB
No
Wireless
No
Power Requirements
AC Input
Form Factor
Tabletop
Number of Headphone Channels
2-Channel
Recommended Headphone Impedance
Not Specified by Manufacturer
Headphone Output Power
5000 mW into 50 Ohms
4400 mW into 32 Ohms
740 mW into 600 Ohms
Digital Chipset
No
EQ
No
Display
2x VU Meter (Backlit)
Connectivity
Analog Audio I/O
1x 1/4" TRS Unbalanced Headphone Output
1x 4.4 mm TRRRS Balanced Headphone Output
1x XLR 4-Pin Balanced Headphone Output
2x XLR 3-Pin Balanced Line Input (1 Stereo Pair)
1x Stereo 2RCA Unbalanced Line Input
2x XLR 3-Pin Balanced Line Output (1 Stereo Pair)
1x Stereo 2RCA Unbalanced Line Output
Digital Audio I/O
No
USB
No
Wireless
No
Performance
Maximum Output Level
32 V
Impedance
Outputs:
< 0.2 Ohm
THD+N
< -102 dB
Noise
< -100 dB
Power
Power Requirements
AC Input
AC Input Power
User Selectable:
115 to 230 VAC, 50 / 60 Hz
AC/DC Power Adapter
No
Physical
Dimensions
9.8 x 6.7 x 4.4" / 250 x 170 x 113 mm (with Feet)
Packaging Info
Package Weight
7.815 lb
Box Dimensions (LxWxH)
14.2 x 10 x 6.1"

Violectric HPA V324 Reviews

Exceptional transparency

By Tom
Rated 5 out of 5
Date: 2025-09-08

Since I live in a nice apartment, I listen exclusively through Dan Clark Stealth headphones, which are excellent but hard to drive. The Violectric V324 has sufficient power to drive them as loud as I could wish. But most important, it has an extremely low noise floor that is key to its exceptional transparency. It is remarkably true to instrumental timbre and vocal inflection and nuance. Built like a tank, this will now be my long term reference.

See any errors on this page?

Does this come with a remote?

Does this come with a remote?
Asked by: Michael
The Violectric True Balanced Headphone Amplifier does not include a remote control.
Answered by: Daniel O
Date published: 2025-02-25
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