M-38DC是一款兼容多种麦克风的前置放大器，具有三种常见的输入输出接口，适应性好，同时内置48V幻象供电。
接口及旋钮功能：
MIC IN：话筒输入接口，3.5mm、6.5mm、XLR卡侬，三种接口；
MIC OUT：话筒输出接口，3.5mm、6.5mm、XLR卡侬，三种接口；
POWER：电源开关；
48V：幻像电源开关
GAIN：增益大小调节，最大38db；
DC5V：直流供电接口；
功耗：0.2W（48V关），1.8W（48V开）
频率响应：20HZ-20KHZ
总谐波失真THD：0.0023%
输入阻抗：XLR 6.35mm平衡式1.5KΩ
输出阻抗：平衡式250Ω
The M-38DC is a versatile preamplifier compatible with multiple microphones, featuring three common input/output interfaces for excellent adaptability, and built-in 48V phantom power supply.
Interface & Knob Functions:
MIC IN: Microphone input ports (3.5mm, 6.5mm, XLR );
MIC OUT: Microphone output ports (3.5mm, 6.5mm, XLR );
POWER: Power switch;
48V: Phantom power switch;
GAIN: Gain adjustment knob (maximum 38dB);
DC5V: DC power supply interface;
Power Consumption: 0.2W (when 48V off), 1.8W (when 48V on);
Frequency Response: 20Hz–20kHz;
Total Harmonic Distortion (THD): 0.0023%;
Input Impedance: Balanced XLR/6.35mm at 1.5KΩ;
Output Impedance: Balanced 250Ω.
