Audiophile Tube Preamplifier, HiFi Electric Tube Amplifier, Lossless Audio Switch, 4 Channel Input, 2 Channel Output.

Specifications: The audiophile tube preamplifier is a high-end audio component that blends vintage and modern technology. At its core are audiophile-grade vacuum tubes, achieving delicate restoration of audio signals through superior tube tonal reproduction and low-distortion signal processing. It features multi-channel audio input and output interfaces, utilizing separate circuit designs to ensure pure and stable signal transmission. Users can customize the settings according to their preferences and the characteristics of their audio system using the treble and bass adjustment function to achieve optimal sound performance. Specifications: Name: Electric Tube Amplifier Material: Aluminum Alloy Output Signal: 2 Stereo Signals Input Sensitivity: 0.775V Operating Voltage: 12V Input Signal: 4 Signals Frequency Response: 20Hz-20kHz Treble and Bass Adjustment Ranges: ±6dB Harmonic Distortion: 0.04% Typical Headphone Output Negative Resistance: 32-300Ω Maximum Headphone Power: 160mW/32Ω Signal-to-Noise Ratio: >100dB (20Hz-20kHz) Item Size: 145*85*85mm / 5.71*3.15in Package Size: 242*180*118mm / 9.53 * 7.09 * 4.65 inches Package weight: 800 g / 1.76 lb Packing list: 1 * Electric tube amplifier 1 * Adapter