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Violectric HPA V550 Headphone Amplifier - Uncompromising Sound
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violectric hpa v550 headphone amplifier front panel view

Violectric HPA V550 Headphone Amplifier

by Violectric
$2,999.99
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Violectric HPA V550 Headphone Amplifier - Versatile Hi-Fi Sound Experience

The Violectric HPA V550 packs all the best features of Violectric and Niimbus products for a top-tier audiophile experience like no other.

The HPA V550 boasts low noise, high output, and a high-damping factor, so you can use any headphones and enjoy a clean and detailed sound when listening to your favorite tunes. Add in support for multiple input/output options, a Pre-Gain DIP Switch, and a sleek remote control, and you have everything you could ever want from a high-end desktop amplifier.

violectric hpa v550 headphone amplifier front view

What's In The Box?

  • Violectric HPA V550 Desktop Headphone Amplifier and Preamp
  • Remote Control
  • Power Cord

The Violectric HPA V550 is Ultra-Quiet, so you can hear more from your tunes

The Violectric HPA V550 is designed to deliver a clean and detailed sound for a more immersive listening experience.

2 toroidal transformers with > 35.000 uF filter capacity help filter out extra operating noise. The result is an incredibly low noise rating of just < -103 dB, so you can hear details come alive with exceptional clarity and tone.

*Average Weighted

 violectric hpa v550 headphone amplifier front inputs with remote close up view

The HPA V550 sports Quad-Amplifiers, so you can get the best sound out of any headphone

The HPA V550 is incredibly powerful, so you can get the best out of your headphones.

Four amplifiers combine to deliver an astonishing 6400mW of power at 50 Ohms or 21V RMS at 600 Ohms - more than enough power to drive any dynamic or planar headphones out there.

The HPA V550's high voltage output ensures your headphones can keep up even as the music heats up, so you don't miss any detail from even the busiest tracks.

 violectric hpa v550 headphone amplifier front facing on a table

DIP Switch and Pre/Post-Fader Selector so you can get the best from your music

The Violectric HPA V550 features DIP Switches for Line-Out and Headphone Amp Gain, so you can match the HPA V550 to your preferred device.

With up to +/- 18dB pre-gain control at your fingertips, you can use sensitive or demanding headphones without loss in sound quality.

You'll also find a Pre/Post-Fader Switch at the back of the HPA V550, for even more flexibility when matching the HPA V550 with active speakers.

 violectric hpa v550 headphone amplifier input selector button detail view

The Violectric HPA V550 supports a wide array of inputs/outputs, so you can enjoy high-fidelity sound instantly

The HPA V550 headphone amplifier has all the input/output you could ever want, so you can plug in your headphones instantly - no need to swap cables or adapters.

  • 2x XLR 3-Pin Balanced Line Input (1 Stereo Pair, Rear Panel)
  • 4x RCA Coaxial Unbalanced Line Input (2 Stereo Pair, Rear Panel)
  • 2x XLR 3-Pin Balanced Line Output (1 Stereo Pair, Rear Panel)
  • 2x RCA Coaxial Unbalanced Line Output (1 Stereo Pair, Rear Panel)
  • 1x XLR 4-Pin Balanced Stereo Headphone Output (Front Panel)
  • 2x 1/4" TRS Unbalanced Stereo Headphone Output (Front Panel)
 violectric hpa v550 headphone amplifier back view

Violectric HPA V550 Specs

Number of Headphone Channels

Single Channel

Recommended Headphone Impedance

16 to 600 Ohms

Headphone Output Power

6400 mW into 50 Ohms (Max)

735 mW into 600 Ohms (Rated)

Analog Audio I/O

2x XLR 3-Pin Balanced Line Input (1 Stereo Pair, Rear Panel)

4x RCA Coaxial Unbalanced Line Input (2 Stereo Pair, Rear Panel)

2x XLR 3-Pin Balanced Line Output (1 Stereo Pair, Rear Panel)

2x RCA Coaxial Unbalanced Line Output (1 Stereo Pair, Rear Panel)

1x XLR 4-Pin Balanced Stereo Headphone Output (Front Panel)

2x 1/4" TRS Unbalanced Stereo Headphone Output (Front Panel)

Power Requirements

AC Input

Number of Headphone Channels

Single Channel

Recommended Headphone Impedance

16 to 600 Ohms

Headphone Output Power

6400 mW into 50 Ohms (Max)

735 mW into 600 Ohms (Rated)

Frequency Response

5 Hz to 250 kHz -0.5 dB

Gain/Trim Range

0 dB +6 dB

Maximum Input Level

+21 dBu

Maximum Output Level

+21 dBu

Dynamic Range

> 131 dBA

Impedance

Outputs:

< 1 Ohm

Line Inputs:

10 Kilo Ohms

THD+N

< -102 dB / < 0.0008% (At 1 kHz, 2 x 10V, 100R = 1W)

< -100 dB / < 0.001% (At 1 kHz, 2 x 4V, 32R = 0.5W)

Noise

< -103 dBu (A-Weighted)

Crosstalk

-105 dB (At 1 kHz)

-100 dB (At 15 kHz)

Channel Balance

6 dB

Damping Factor

320 at 50 Ohms (Unbalanced)

160 at 50 Ohms (Balanced)

Power Requirements

AC Input

AC Input Power

115 to 230 VAC, 50 / 60 Hz (T 1 A)

Power Consumption

50 VA

Dimensions

11.4 x 10 x 3.1" / 29 x 25.4 x 8 cm (with Feet)

Violectric HPA V550 Manual

User Manual

Shipping is FREE on all orders to customers within the USA.

We don't want to mess around with fine print and extra charges. We like things to be simple and easy. 

Here's how shipping works around here:

  1. Place your order
  2. You'll receive a confirmation e-mail. This means we've received your order and have pre-authorized your payment method.
  3. We check the stock levels on your product.
    • If it's available, we'll get it shipped within 3 business days.
    • If it's not available, we'll reach out by email and make alternate arrangements.
    • If you placed a pre-order, we'll keep you updated by email on the status of your order.
  4. You'll receive another email with shipping/tracking information.

Learn More

We get it. Audio gear can be subjective. That's why we offer our industry-leading 365 day return policy. Here's a quick rundown;

  • 365 Day Returns, for ANY reason.
  • ZERO Return Shipping Cost
  • You will receive your hard-earned money back in your pocket, NOT store credit.

Learn More

We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at HiFiSoundGear.

  • 365 Day Returns. Not happy with your product? We'll buy it back.
  • Free Shipping in the USA. No extra charges. Ever.
  • Price Match Guarantee. We'll beat another authorized dealer by 5% for the best prices online, guaranteed.
  • Zero Shenanigans. If we can't help you, we won't pretend like we can.
  • Old-School Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, and we know you'll love them. But if there is ever something wrong, we'll fix it.
  • No Taxes (Except in CO) We're small enough that we don't need to charge taxes on your orders in any state but Colorado.

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