Premium Desktop/Headphone Amplifier With USB DAC + Volume + Gain Control

Premium Desktop/Headphone Amplifier With USB DAC + Volume + Gain Control
This desktop amplifier is designed to bring sparkle to music sound quality when listening through speakers or headphones.

It is a nice 3-in-1 device with function of desktop amplifier, USB DAC external sound card and headphone amplifier all built in together.

Get superior audio reproduction from your audio device and audiophile headphones using this desktop/headphone amplifier.

This unit adopts the advanced Texas Instruments IC chip for extremely low noise and minimal distortion. 

Its high-current output makes your CD/MP3 music, DVD movies or online game comes alive when playing through your existing Hi-Fi system, powered speakers or headphone.

The internal top-grade headphone amp can easily drive loud speakers or headphones with a wide range of impedances, from 16 ohms to 600 ohms.

External Volume Controller
This unit provides an external volume control for those audio devices or stereo amps that do not have adjustable output level or no volume adjustment of their own. 

Users can use this unit for controlling the audio output from from Hi-Fi system, CD player, game console, TV, computer, etc.

Selectable USB Input + AUX Input
This desktop amplifier has a USB input and an AUX input in RCA L/R connector. Users can use the toggle switch on the front panel to switch between USB input and AUX input.

Its RCA stereo inputs allow you to connect any stereo audio source, such as CD player, game console, MP3 player, TV and so on so you can enjoy the supreme sonic quality with minimal cost.

Its USB input allows it to be used as an external sound card for computer or Android mobile device.

Multiple Audio Outputs
This preamp has a PRE out, a LINE LEVEL out and a headphone out.

The PRE output is an adjustable output. The output level is controlled by using the Volume knob.

The LINE output is a fixed line level output. The volume control dial will not affect the audio output level.

The Headphone output level is controlled by the Volume knob. 

USB DAC External Sound Card
This desktop amplifier is also a nice USB DAC or external sound card for Android devices or computers.

Its USB DAC function can significantly improve your computer sound quality and volume with high sampling rate at 24-bit 96kHz resolution.

It is All plug and play with no driver or software installation needed.

High Power Headphone Amplifier With Volume Control
This mini preamp has a high power headphone amplifier built in to produce detailed and vibrant sound for audiophile experience.

Great for private listening or connecting to a stereo amp or audio receiver using adapter cable (not included)

The headphone jack is in 1/4"(6.35mm) jack. Users may use an optional 1/4"(6.35mm) to 1/8"(3.5mm) plug adapter for other types of headphone use.

Gain Switch
The gain switch on the back of the unit is designed for drive various headphones with different impedance from 16 to 600 ohm.

• High Gain (switch up) for headphones with high impedance or low sensitivity.
• Low Gain (switch down) for low impedance or high sensitivity headphones.

Line Level Source Matching For Optimum Performance
This pre-amp provides excellent solution for matching the low-volume devices such as iPod, MP3/MP4, iPad, Tablet, CD player or mobile devices with Hi-Fi system, audio receiver, computer, loud speakers. 

So no more distorted sound or noise heard from your stereo setup at home or office !

• Premium 3-in-1 Desktop amplifier + USB DAC external sound card + headphone amplifier.
• Cost-effective solution for boosting your home A/V devices with rich and clear vibrant sound. No costly hardware upgrade needed.
• Adopts the advanced TI chip with high sampling rate at 24Bit/96kHz for extremely low noise and minimal distortion. 
• Transforms the ordinary TV sound, video gameplay or computer sound into powerful and crystal clear Hi-Fi sound with vibrant tones for full sonic enjoyment.
• Selectable USB input and AUX input.
• Multiple audio outputs:
  • Variable Preamp output with adjustable output level controlled by the Volume knob and varies from 0 ~ 6V rms.
  • Fixed line level audio output
  • Headphone output with adjustable output level controlled by the Volume knob
• Doubles as USB DAC sound card for Android devices or computers running Mac OS X or above, Windows OS and Linux.
• Easy audio input source switching with an input toggle switch on the front panel. 
• Both headphone and RCA outputs allow for personal listening or connecting to an additional stereo power amp.
• Top-grade headphone amp built in to produce amazing soundstage with detailed, vibrant sound for an audiophile quality listening experience.
• Supports wide headphone impedance range from 16 to 600 ohm.
• Selectable High/Low gain switch for high/low impedance or low/high sensitivity headphones.
• Compact size built with aluminum enclosure and exquisite finish. 
• Fast heat dissipation.

• USB DAC: 96 kHz, 24-bit
• Audio Inputs: USB Input + AUX Input in RCA L/R connector
• Audio Outputs: 
  • Adjustable Pre-Out (RCA L/R) 
  • Line Level Out (RCA L/R)
  • Headphone Out (1/4"/6.35mm) 
• Adjustable Pre-Out: 0 ~ 6Vrms
• Fixed Line Level Out: < 2V rms
• Output Power:  
  • ≥ 900mW (32 ohm load)
  • ≥ 150mW (300 ohm load)
• Headphone Impedance Range: 16 to 600 ohm
• Signal-to-Noise Ratio: ≥ 100dB (A weighted) (AUX IN)
• Distortion: < 0.003% (AUX IN)
• Frequency Response: 20Hz ~ 20kHz
• Dimension:3 3/4"(W) x 2"(H) x 5"(D)
• Power Supply: DC 15V, 2A

• Headphone amplifier
• DC 15V power adapter
• USB cable and RCA audio cable
• User manual