⭐⭐⭐SA-1000 6H3N TUBE Headphone Amplifier Switching ，Audiophile Tube Preamp 4-input 2-output HIFI Preamp with Built-in VU Level Meter High-bass Adjustment Headphone Amplifier

Product parameters. Input signal: 4 way stereo signal. Output signal: 2 way stereo signal. Frequency response: 20HZ-20KHz. Product size: 1458585mm. High-bass adjustment range: ±6dB. Input sensitivity: 0.775V. Harmonic distortion: 0.04 typically. Operating voltage: 12V. Headphone output load impedance: 32-300. Maximum headphone power: 160mW/32. Signal to noise ratio: 100dB(20HZ-20KHz. Audiophile audio lossless switching amplifier 4 into 2 out HiFi amplifier audio gallows preamp. Product Description. 1: SA-1000 preamplifier, 4 inputs and 2 outputs at the same time, separate circuit independent design, to achieve a low distortion highly amplified restored output, easily solve the output line is not enough, sound conversion with noise and other problems. 2: SA-1000 is a set of tube preamp, lossless audio switcher, audiophile headphones as one HIFI amplifier, is the formation of desktop HIFI audio system indispensable audio signal transit station. 3: With 4 sets of RCA audio inputs and 2