Features: The Microphone Preamp delivers a powerful 50dB and +48V power, enhancing the performances of dynamic and condenser microphones for clear, noiseless auditory output. Featuring double input channel with independent control, this preamp supports various devices such as microphones, guitars, and keyboards, ensuring versatiled connection and superior sound quality. For music producer, podcasters, instrumentalists, and professional recording engineers high auditory amplification and clear in their recordings. Perfectly for use in recording studios, live, home recording setups, and online streaming environment, providing reliabled and stable power with balanced in/output. With metal construction and integrated low pass filter circuit, the effectively minimizes external Auditory interferences, making it essential tool for achieving pristined sound in any setting. Specifications: Item：Two Channel Microphone Preamp Size：about 196x101x46mm/ 7.72x3.97x1.81in Support 50dB and +48V Power Type: Support Bluetooth-compatible/ Not Support Bluetooth-compatible Package Includes: 1PC Two Channel Microphone Preamp note: 1cm=10mm=0.39inch Due to problem of lighting effect, there might be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.