Premium Vacuum Tube Preamplifier With Volume Treble Bass Control
This vacuum tube preamplifier is designed to boost the line level output of audio sources and  instantly transforms the ordinary TV sound, video game gameplay or computer sound into powerful Hi-Fi sound with vibrant tones for full sonic enjoyment.

Vacuum tube preamplifiers are more linear with less feedback so they sound better than modern amp using transistors.

This vacuum tube preamp utilizes 2 of 6K4 vacuum tubes to amplify the the low-volume audio for dynamic sweet tube sound.

The subtle character and warmth introduced by the tubes can create a delightful sonic tone and unparalleled audio experience. 

This is a great preamp with great price. Best mate for many active speakers and power amplifiers in the market.

Audiophile Sound Quality And Performance
This unit delivers the audiophile sound quality and perfect for music/movie play, home theater setup, game play, online video/audio streaming, etc.

Your CD/MP3 music, DVD movies or online game comes alive with strong bass and beat through your existing home theater system, amplifier, powered speakers or headphone.

External Volume Controller
This unit provide an external volume control for any audio device or stereo amp that has no output level or volume adjustment of its own. 

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

Replaceable 6K4 Vacuum Tube
This tube preamplifier is equipped with 6K4 vacuum tube and NE5532 OP IC for clear and high-frequency music.

The detachable tube design allows users to change tubes for tweaking the sound, 6J1 or GE5654 are good fit for this preamp.

Easy Bass Treble Adjustment
This vacuum tube preamplifier has delicate treble and strong dimensional bass. 

Users can have complete control of the high/low frequency sound and enjoy the full acoustic performance with dynamic and sweet tube sound for classic or modern music brought by this unit.

40W RMS Clean Audio Output
This mini pre-amplifier provides maximum output up to 40 watts (20W per channel) for stronger and more powerful sound for musical enjoyment. Perfect for using on any desk, countertop, workbench or car stereo.

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

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

• Premium vacuum tube amplifier preamp with volume, bass and treble adjustment.
• Built-in high-end amplification circuits with ultra low-noise audio operation for outstanding performance.
• Boosting the output from low-volume audio sources such as tape player, potable CD player, MP3, TV or computer.
• Audiophile sound quality performance and perfect for music/movie play, home theater setup, game play, online video/audio streaming, etc.
• Transforms the ordinary TV sound, video gameplay or computer sound into powerful Hi-Fi sound with vibrant tones for full sonic enjoyment.
• Your CD/MP3 music, DVD movies or online game comes alive with strong bass and beat through your existing home theater system, amplifier, powered speakers or headphone.
• Increasing the volume level for mixer or speaker setup, karaoke, audio recording, party, live stage event.
• Adjustable gain to boost low-level audio inputs to the level needed to drive amplifier or receiver properly.
• Utilizes 2 of 6K4 vacuum tubes to amplify the the low-volume audio for dynamic sweet tube sound.
• The subtle character and warmth introduced by the tubes creates delightful sonic tone and unparalleled audio experience.
• Equipped with 6K4 vacuum tube and NE5532 OP IC for clear and high-frequency music.
• The detachable tube design allows users to change tubes for tweaking the sound.
• Users can have complete control of the high/low frequency sound for achieving Hi-Fi effects and vibrant sonic quality.
• Enjoy the full acoustic performance with dynamic and sweet tube sound for classic or modern music brought by this unit.
• Maximum output up to 40 watts (20W per channel) for stronger and more powerful sound for musical enjoyment. 
• Provides low-noise floor and high musical accuracy for listening and recording.
• Built with sturdy and stylish looking aluminum enclosure for durability and shielding from electromagnetic interference with noise rejection.

• Tube Model: 6K4
• Output Power: 20 Watts per channel
• Impedance: 600 Ohm
• Frequency Response: ±1.5(20Hz-20KHz)
• Audio Input Interface: RCA
• Audio Output Interface: RCA
• RCA Output: 0.9Vrms
• SNR: 100dB
• THD: 0.03%
• Treble Adjustable Range: ±6dB
• Bass Adjustable Range: ±10dB
• Input Voltage: AC 100-240V, 50/60Hz; DC 12V/1A
• Size: 11 * 9.8 * 3.3cm / 4.72 * 3.85 * 1.29in

• Preamplifier
• 6K4 vacuum tube x 2
• DC power adapter
• User manual