Nobsound HiFi 2.0-Channel Class A Stereo Vacuum Pre-Amplifier 4-way Digital Desktop Audio Preamp

Features

4 Groups of Stereo RCA Input: can switch multi-way input signal losslessly by the input switch. As a preamp, it can greatly improve the sound quality, with large dynamic, rich details, smooth and clear sound.

With Tone Control: more smooth and delicate sound can be enjoyed by adjusting treble, mid and bass knob, and bypass function is added to turn off the tone control and enjoy original sound, adding much fun and higher playability.

Mature Circuit & Components: reasonable and concise layout, left and right channel are powered and amplified independently. 4PCS OPA1611 op amps in each channel to reduce the internal resistance and responsible for pre-amplification and tone control, the sound is much purer and the reproduction is more accurate.

Unique Design: class A power supply to guarantee the sound is warm, and pluggable socket design makes convenient to change different op amps to enjoy different sounds.

Attractive Appearance: whole aluminum alloy case and pure aluminum knobs, looks more fashionable and durable, providing both visual and auditory enjoyment.

Parameters

Audio input: 4 groups*stereo L/R RCA

Audio output: 1 group*stereo L/R RCA

Color: silver

Frequency response range: 2Hz-40KHZ

SNR: 115DB @ 1KHZ

Input impedance: 50KΩ

Output impedance 600Ω

Distortion: <0.003% 1KHZ

Op amp: 4PCS OPA1611

Working voltage: AC 100-120V / AC 220-240V

Dimensions(W*D*H): 327*210*55mm / 12.87*8.26*2.16in

Net weight: 2.0kg / 4.40lb

Package weight: 3.0kg / 6.61lb

Packing List

1*HiFi Preamp

1*Power Cord