SKU: 67426342326

Violectric NIIMBUS US 5 Headphone Amplifier

$3599.55 $3999.50
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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4

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Description

Violectric NIIMBUS US 5 Headphone AmplifierBuilt to deliver versatile and premium sound quality in a compact, desktop form factor, the Niimbus US 5 Headphone Amplifier from Violectric is a powerful, 2 channel audiophile headphone amplifier with both amp and pre amp functions and enough power to drive any sized headphones, including dynamics, planars, and active loudspeakers. This handmade amp sports a 100% analog circuit and hand selected components for uncompromising sound, and the wide

Built to deliver versatile and premium sound quality in a compact, desktop form-factor, the Niimbus US 5 Headphone Amplifier from Violectric is a powerful, 2-channel audiophile headphone amplifier with both amp and pre-amp functions and enough power to drive any sized headphones, including dynamics, planars, and active loudspeakers. This handmade amp sports a 100% analog circuit and hand-selected components for uncompromising sound, and the wide ranging I/O ensures you can easily connect to any device, in any way you see fit, from RCA and XLR inputs, to 1/4", RCA, XLR, and 4.4mm outputs, all selectable from the front panel.

The high damping factor makes the US 5 an ideal choice for difficult to drive headphones, and the ultralow-noise operation pairs well with the oversized, high-voltage power supply to provide incredible detail and optimal performance on low-impedance headphones. With it's quad amplifier that delivers far more power than most demanding headphones require, and its compact metal chassis, the US 5 is an ideal choice for any home studio, professional podcasting setup, or expansive home entertainment system.

2-in-1 Combo Amplification Box
Why choose between an audiophile-quality headphone amp and a powerful speaker pre-amp? The Niimbus US 5 handles both with ease, thanks to the onboard circuit selection, which allows you to switch between an amp circuit designed for headphones and a pre-amp circuit designed for speakers. Just hit the front-panel buttons or use the included infrared remote control to send the output to the headphone or line outputs. The US 5 can drive active speakers and control power amps without a sweat via its balanced XLR outputs, allowing you to enjoy a compact and fantastic sounding headphone amp or a premium speaker pre-amplifier, all in one box.

Comprehensive Analog I/O
With a multitude of analog input and output options, you will never be disconnected from your preferred devices with the US 5 headphone amp. Front- and rear-panel options make it simple to wire your amp for use as the nerve center of your home entertainment system or a faithful companion to your home studio setup.
  • Two Balanced XLR 3-pin inputs (left and right)
  • Four unbalanced RCA inputs (left and right)
  • Two balanced XLR 3-pin line outputs (left and right)
  • Two unbalanced RCA outputs (left and right)
  • Balanced XLR 4-pin headphone output
  • Two unbalanced 1/4" headphone outputs
  • Balanced 4.4mm headphone output
Adaptive Features and Digital Control
The US 5 sports robust and easy-to-use digital control options for it's analog circuitry. With motorized knobs, simple push buttons, and numerous automatic features that adapt to different devices and protect your amp from damage, the Niimbus US 5 couldn't be easier, or safer, to use. And with the included aluminum infrared remote control, you can easily control all your settings wirelessly, including input selection, output selection, volume, and mute.
  • Onboard volume and balance control
  • Push buttons for input and output connector selection
  • Monitoring of headphone output based on DC and overload
  • Adaptation of line-out signal to the connected devices in the range of ±12 dB
  • Rear-panel DIP switches for controlling pre-amp and output amp gain from -12 to +12 dB
  • Solid aluminum infrared remote control
  • Delayed activation with power-on and immediate separation during power-off
  • DC, overload, and thermal protections
Excellent Build Quality
The US 5 Headphone Amplifier is hand-constructed from top-notch materials, from the carefully selected internal analog components to the rugged aluminum and steel exterior, and is guaranteed to last you for years of use.
  • 100% analog signal path
  • Black anodized aluminum front and rear panel
  • 2mm sheet steel chassis with metallic coating
  • Remote control milled from a solid piece of aluminum
  • 60V internal operating voltage for high-impedance headphones with high-output voltage swing
  • Motorized volume and balance control knobs
  • Four powerful amps offering up to 7000mW max
  • Two oversized, toroidal transformers with more than 50,000 uF filter capacity
  • Handmade in Germany

Specifications

Number of Headphone Channels
2-Channel
Recommended Headphone Impedance
4 to 600 Ohms
Headphone Output Power
7000 mW into 50 Ohms (0.01% THD, 1 kHz)
EQ
No
Display
No
Connectivity
Analog Audio I/O
4 x RCA Coaxial Unbalanced Line Input (2 Stereo Pair, Rear Panel)
2 x XLR 3-Pin Balanced Line Input (1 Stereo Pair, Rear Panel)
2 x RCA Coaxial Unbalanced Line Output (1 Stereo Pair, Rear Panel)
1 x 4.4 mm TRS Balanced Stereo Headphone Output (Front Panel)
2 x 1/4" TRS Unbalanced Stereo Headphone Output (Front Panel)
2 x XLR 3-Pin Balanced Line Output (1 Stereo Pair, Rear Panel)
1 x XLR 4-Pin Balanced 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
Maximum Input Level
Line:
+21 dBu (10 Kilohm Input Impedance)
Maximum Output Level
+21 dBu (1 Ohm Input Impedance)
Dynamic Range
> 135 dB (A-Weighted)
Impedance
Outputs:
0.1 Ohm (Unbalanced)
0.2 Ohm (Balanced)
THD+N
< -104 dB / < 0.00063% (At 1 kHz/2 x 10V/100R = 1W)
< -103 dB / < 0.00071% (At 1 kHz/2 x 4V/32R = 0.5W)
SNR
> 129 dB (A-Weighted)
Noise
< -104 dBu (A-Weighted)
Crosstalk
-105 dB (1 kHz)
-103 dB (15 kHz)
Damping Factor
500 at 50 Ohms (Unbalanced)
250 at 50 Ohms (Balanced)
Power
Power Requirements
AC Input
AC Input Power
115 to 230 VAC, 50 / 60 Hz (T 1 A)
Ground Lift
No
AC/DC Power Adapter
No
Power Consumption
50 VA (Maximum)
Physical
Dimensions
13.8 x 9.8 x 2.3" / 35.1 x 24.8 x 5.9 cm (Chassis Only)
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: 67426342326

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4.4 ★★★★★
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Product Reviews
K
Verified Purchase
Ken Hill
Alexandria, US
★★★★★ 5
helped treat my sore neck
Color: White-cooling Basic, Size: Camping Pillow(Pack of 1)
This pillow — after dialing in the right amount of shredded foam — has greatly helped my sore neck. Initially, I had to remove some foam. Then I gradually added foam until it reached optimum comfort and support. It is also CPAP-friendly — especially when I position my head near the pillow's edge. (I am a left-side sleeper.) I like the travel size because I use a bulky hugging pillow to ease stress on my shoulder and elbow. That makes my side of the bed feel cramped if using a larger head pillow. A smaller pillow is easy to flip end-to-end in the middle of the night. I have spent lots of money on pillows over the years, but this is the best I've ever had for relieving [1] neck pain and [2] CPAP mask seal problems. Very comfortable, supportive, and affordable. I did not notice any unpleasant smell — and I am usually sensitive to that kind of thing. Would highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
M
Verified Purchase
Molly Farrell
Massapequa, US
★★★★★ 5
Love them!
Color: White-cooling Basic, Size: Queen(Pack of 2)
Love them! After 10 years with our MyPillows, they finally lost their fluff. The reviews I read of the MyPillows of today were not good; they didn’t have as much filling as they used to. These pillows remind me of how fluffy our new MyPillows were 10 years ago!! You sink right into them and can mush them however and they stay. These are way cheaper than the Coop and it’s the same concept; add or remove the filling as needed. The cooling side is a huge plus too! You won’t be disappointed with these pillows!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
A
Verified Purchase
Akeem
Battle Creek, US
★★★★★ 5
Comfortable and stays cool
Color: White-cooling Basic, Size: Queen(Pack of 1)
Great pillow. When i opened it, i noticed a strange smell, i assumed its the smell of whatever they use to make the pillow stay cool. You have to fluff it for a good amount of time to make sure the cooling agent spreads well in the foam. Is what i assumed atleast. Its a perfect amount of softness for me. Pair it with some bamboo pillow cases and you got a good night of sleep
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
K
Verified Purchase
Kim Groetsch
Port Orchard, US
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
Verified Purchase
Juanita
Los Angeles, US
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok. One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable. Overall, great quality, comfortable, and worth the purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026

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