Built to deliver versatile and premium sound quality in a compact, desktop form-factor, theNiimbus US 5 Pro Headphone AmplifierfromViolectricis a powerful, 2-channel audiophile headphone amplifier with both amp and pre-amp functions and enough power to dri
Built to deliver versatile and premium sound quality in a compact, desktop form-factor, theNiimbus US 5 Pro Headphone AmplifierfromViolectricis 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 Pro 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 Pro is an ideal choice for any home studio, professional podcasting setup, or expansive home entertainment system.
2-in-1 Combo Amplification BoxWhy choose between an audiophile-quality headphone amp and a powerful speaker pre-amp? The Niimbus US 5 Pro 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 Pro 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/OWith a multitude of analog input and output options, you will never be disconnected from your preferred devices with the US 5 Pro 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.
Adaptive Features and Digital ControlThe US 5 Pro 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 Pro 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.
Excellent Build QualityThe US 5 Pro 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.
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 xRCA Coaxial Unbalanced Line Input (2 StereoPair, Rear Panel) 2 xXLR 3-Pin Balanced Line Input (1 StereoPair, Rear Panel) 2 xRCA Coaxial Unbalanced Line Output (1 StereoPair, Rear Panel) 1 x4.4 mm TRS Balanced Stereo Headphone Output (Front Panel) 2 x1/4″ TRS Unbalanced Stereo Headphone Output (Front Panel) 2 xXLR 3-Pin Balanced Line Output (1 StereoPair, Rear Panel) 1 xXLR 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 5.9cm (Chassis Only) |
Packaging Info
| Package Weight | 17.515 lb |
| Box Dimensions (LxWxH) | 18.7 x 15 x 6″ |
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