实时监听, 增益调节 – Shure X2u XLR to USB Microphone Signal Adapter and SM57 Microphone Bundle User Manual

X2u XLR to USB Microphone Signal Adapter and SM58 Microphone Bundle, A15AS In-Line Switchable Attenuator/Pad XLR Barrel, ADX2/K11B Digital Handheld Wireless Microphone Transmitter with KSM11 Capsule (G57: 470 to 616 MHz, Black), AONIC 50 Wireless Noise-Canceling Headphones (White)