Features:
Mini vacuum tube preamp; Convenient to improve your sound quality.
Audio signal input can be computer, CD, phone and lossless player.
Audio output can be connected to digital amplifiers and active multimedia audio devices.
Treble & bass adjustment; Sound is warm and broad; No background noise.
Gold-plated for input and output terminals; 6J1 valve tube; Mini size suitable for desktop.
Specification:
Brand: FX-Audio
Model: TUBE-03E
RCA line output: 4vrms
Signal to noise ratio: 103db
THD: 0.4%
Input: BT, RCA, AUX
Output: RCA
Color: Black, Silver(Optional)
Frequency response: 20Hz-20KHz (+-1.3)
Power supply: DC 12V 1A
Item Size: 13 * 10.8 * 3cm / 5.1 * 4.3 * 1.2in
Item Weight: 411g / 14.5oz
Package Size: 26 * 20.5 * 6.5cm / 10.2 * 8.1 * 2.6in
Package Weight: 644g / 22.7oz
Package List:
1 * TUBE-03E Preamplifier
2 * 6J1 Tube
1 * Power Supply
1 * Antenna
1 * User Manual