SKU: 69599643197

Violectric HPA V550 PRO Desktop Headphone Amplifier and Preamp

$2249.55 $2499.50
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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1

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Description

Violectric HPA V550 PRO Desktop Headphone Amplifier and PreampDesigned to drive everything from low to high Z loads for headphones or loudspeakers, the HPA V550 Pro Headphone Amp and Preamp from Violectric delivers versatile functionality and low noise, low distortion circuits specially optimized for dynamic and orthodynamic headphones. With support for headphone impedance loads of 16 to 600 ohms, the V550 Pro can drive the most demanding headphones, while pre gain selection via DIP switch and pre or post fader

Designed to drive everything from low- to high-Z loads for headphones or loudspeakers, the HPA V550 Pro Headphone Amp and Preamp from Violectric delivers versatile functionality and low-noise, low-distortion circuits specially optimized for dynamic and orthodynamic headphones. With support for headphone impedance loads of 16 to 600 ohms, the V550 Pro can drive the most demanding headphones, while pre-gain selection via DIP switch and pre- or post-fader selection make the unit equally comfortable as a high-fidelity studio preamplifier.

The V550 Pro sports balanced stereo Neutrik XLR outputs and inputs, two unbalanced RCA inputs, four unbalanced RCA outputs, two unbalanced 1/4" stereo TRS headphone outputs, and one fully balanced, Neutrik XLR 4-pin stereo headphone output with gold-plating for true balanced headphone amplification. This amp features plenty of control over your amplified signal with 256-step relay volume control with balance knob, dedicated input and output selection, and a wireless infrared remote control for conveniently controlling volume and selecting inputs or outputs.

Specifications

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)
EQ
No
Display
No
Connectivity
Analog Audio I/O
2 x XLR 3-Pin Balanced Line Input (1 Stereo Pair, Rear Panel)
4 x RCA Coaxial Unbalanced Line Input (2 Stereo Pair, Rear Panel)
2 x XLR 3-Pin Balanced Line Output (1 Stereo Pair, Rear Panel)
2 x RCA Coaxial Unbalanced Line Output (1 Stereo Pair, Rear Panel)
1 x XLR 4-Pin Balanced Stereo Headphone Output (Front Panel)
2 x 1/4" TRS Unbalanced Stereo Headphone Output (Front Panel)
Digital Audio I/O
No
Network I/O
No
USB
No
Performance
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
Line Inputs:
10 Kilohms
Outputs:
< 1 Ohm
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
Power Requirements
AC Input
AC Input Power
115 to 230 VAC, 50 / 60 Hz (T 1 A)
Ground Lift
Yes
AC/DC Power Adapter
No
Power Consumption
50 VA
Physical
Dimensions
11.4 x 10 x 3.1" / 29 x 25.4 x 8 cm (with Feet)
Packaging Info
Package Weight
12.495 lb
Box Dimensions (LxWxH)
14.5 x 13.3 x 5.4"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 69599643197

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4.0 ★★★★★
Based on 6 reviews
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Product Reviews
M
Mark
Waukegan, US
★★★★★ 5
Dog and dog parent approved!
If you are tired of typical stuffed toys being ripped apart by your best friend, and then having to pick up the stuffing and/or squeaker parts, then you will appreciate this crinkle duck toy. The toy itself is 14 inches long, 8 inches wide, and relatively flat. It is filled with a material that crackles (similar to crumpling up a plastic bag) when played with by your dog. It is rather sturdy and easy to throw. When shown to my puppy, who is 7 months old and likes to rip the stuffing out of anything he can, he took it and ran. This toy provided him with the entertainment that he enjoys and, best of all, no stuffing to be found! While I cannot say your dog will not destroy this toy, my pup has been enjoying it without it ripping for a while now and I am happy that he is happy with the toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
J
Jeddy 3
Alexandria, US
★★★★★ 5
Dog enjoys the durability and crinkling and I love the lack of stuffing
My miniature poodle was pretty excited about this toy. It has almost everything he loves in a toy: A squeaker, parts sticking out (wings and feet on this toy), a good size so he can shake it violently as if it were prey, and strong stitching so we can play tug o'war with him. He enjoyed the novelty of the crinkling, but ultimately he still seems to slightly prefer the stuffed toys, because there's just more to do as he rips them apart and makes a huge, gross mess of fluffy stuffing on the floor. 4 stars from the dog. For me? Five stars. Because it's tough, so I think it'll last a long time (has already lasted through many tug o'wars), and I don't worry about mess or potential accidental swallowing of polyester fluff-stuffing. So I'll round my rating up to 5.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
A
Adam S.
Lowell, US
★★★★★ 5
Highly recommend! My dog loved it!
My dog absolutely loves this toy! She is a big fan of that crinkle sound some toys make and the head of the duck has a little squeaker! My dog is 23lbs for reference so you guys can get an idea as to how large the dog toy is. I just played a some soft fetch with her in the house as well as tug of war and she is not prancing around with the cute duck in her mouth 🥲
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
S
Scientific Baking
Lexington, US
★★★★★ 4
Our dogs really like this toy
What a fun toy for our two dogs. It has a squeaker in the head, and the body makes a crinkle sound I think we will probably have to buy another one so that both dogs will have their own. We have discovered that dog toys with both a squeaker and crinkle become favorites of our dogs. Squeaking this toy several times bought both of our dogs running from the opposite side of the house. The duck dog chew toy is a bright yellow. It lays mostly flat. Even though our dogs are little, about 12 pounds each, they can easily carry this toy around. It is light enough and also large enough to work for any size of dog.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
D
Verified Purchase
Debra Allen
Bozeman, US
★★★★★ 5
Theething toys for puppies
Color: Yellow, Size: X-Small（9Pack）
Good selection of teething toys! One squeaking ball, 4 different 'bone' type chews and a ring with a cloth attached. Lightweight, durable and sturdy. The Squeakys doesn't last long in this house but the ball is still intact,so far!! I definitely recommend these. Great value too!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026

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