SA-20 HiFi Vacuum Tube Audio Sound Processor Preamp Pre-Amplifier USB/Bluetooth

Features:

Tube preamp & Audio Switcher & Headphone Amp
Mysterious built-in tube design
Independent tone knob and input selector
Exquisite appearance and perfect design

Parameters:

Product size :145*85*85mm

Frequency response :20HZ-20KHZ

Input sensitivity :0.775V

High and low adjustment range: 6db

Operating voltage :12V

Harmonic distortion :0.04%typically

Output signal :XLR balanced output, RCA

Headphone output load negative resistance :32-300Ω

Analog output, 3.5 headphone output

Headphone Max power :160mW/32Q

SNR :>100DB(20HZ-20KHZ)

Input signal: Bluetooth, U disk, RCA

Packing List:

1*Tube Preamp
1*Power Adapter