Features: Experience Clean Gains with Microphones Preamplifier, offering up to +28dB boost for dynamic microphones, ensuring clear and powerful Sound amplification without distortions. with circuit and MP5+ transistors, this preamplifier reduces output impedance and noise, enhancing Microphones Claritys while maintaining sound quality. for professional musicians, podcasters, and broadcasters seekings to improve the Performances of their dynamic microphones in various recording and live. Perfectly suited for studio recording, live broadcasting, podcasting, and capturing quiet acoustic instruments, this preamplifier enhances signal strength for superior Sound output. from metal with 10.2cm, it features secure lock and LED indicators, making it portable for any Sound. Specifications: Materials: ABS Size:101x19mm/3.98x0.75inch Color: Black, Redness, Blue(optional) Package Includes: 1Set Microphones Preamplifier note: Please allow 1-3cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.