HiFi Tube Stereo Audio Headphone Amp Amplifier Preamplifier Pre-Amp for Computer CD DVD MP3

Features:
HiFi tube amplifier, mellow and plump sound.
Eight 470UF capacitor filter, pure power supply system, no hum.
Boost AC 12V to 28V: prolong the tubes' life-span and improve S/N.
Comes with 3 tubes: 2 for normal working, 1 for standby.
With volume controller, 2 audio input and output interface.
With LEDs on the bottom of the tubes, send out soft orange light when it is working.
Great for computer, CD, DVD, MP3, and other audio equipments.

Specifications:
Material: Acrylic and PVC
S/N: >=90dB
Sensitivity: <=230mV
Distortion: <=0.1%(1kHz)
Frequency range: 20Hz - 500Hz
Impedance: 47ohm
Power adaptor: US Input: 220V 50Hz
                               Output: 12V 3A
Plug adaptor: EU 125/250V 6A
Item size: Approx.9.5 × 8 × 3cm / 3.7 × 3.1 × 1.2in
Item weight: 175g / 6.2oz
Package size: 20 × 14 × 4cm / 7.9 × 5.5 × 1.6in
Package weight: 436g / 15.4oz

Package List:
1 × HiFi Amplifier
3 × Tube
1 × Power Adaptor(US)
1 × Plug Adaptor(EU)

Note:
The HiFi amplifier should be assembled by yourself.
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