Description: 【High Gain】 Mic Preamp is specially designed for dynamic microphones, with +28DB gain output capability, which effectively increases the volume and ensures clear sound conveying and great effects 【Low Noise】Dynamic mic amplifier can effectively reduce the noise floor and reduce noise interference. Specially designed for vocals, making vocal recordings clearer, more detailed, more real and vivid, ideal for recordings or recordings performances 【Stable Performance】Mic amplifier, all metal solid appearance design, sealed internal structure, has a very stable output performance regardless of the load of any type of post stage equipment, without distortion or interruption 【Compact and Portable】 Mic preamplifier, size 10.3cmx1.9cm/4.06inchx0.75inch, small and portable, easy to install and use, suitable for small events, large stage performances and other activities 【Flexible Use】The Mic Booster Preamplifier can be flexibly connected between the mic and the sound card/mixer device, without affecting the performance (the mixer/sound card 48V power supply needs to be turned on), and can meet the needs of different occasions Specification: Frequecy range:20Hz-20KHz Recommended impedance load:>1k Ohms Sampling rate: 24-bit/48 kbps audio Gain improvement: +28DB Power supply: 48V power Impedance:135Ohms Signal to noise ratio: 3.0mA Size Chart: 10.1cmx1.9cm/3.98inchx0.75inch Package Includes: 1x Dynamic Mic Amplifier Note: Please allow slightly errors due to manual measurement and different monitors.