X9 48V Phantom Power Bluetooth Audio Mixer 4-Channel USB Sound Card Voice Changer 1. Studio-Quality Audio: XLR interface with microphone preamplifier and dual DSP processors, providing excellent sound with 48V phantom power for professional-grade recording. 2. Versatile Input Options: Supports simultaneous input from 14 dynamic microphone, 18 microphone, and headphone microphone, allowing multi-person setup, ideal for podcasting and live streaming. 3. Precise Audio Control: Four independent channels of microphone, line, headphone, and OTG with separate volume controls. Includes personalized EQ, reverb, sound change, and effects to improve audio quality. 4. RGB Customization: Features RGB lighting effects to add visual style to your streaming setup while maintaining professional aesthetics. 5. Portable and Long-Lasting: Built-in rechargeable 3000mAh battery, providing 5-8 hours of use, portable for mobile content creation or extended streaming sessions. 6. Multiple Connection Options: Equipped with a variety of ports, including XLR, 6.35mm instrument jack, 3.5mm inputoutput, and Type-C for computerphone OTG, ensuring compatibility with a wide range of audio devices. 7. User-friendly interface: LCD screen and intuitive controls allow easy audio mixing and effects application, enhancing your broadcasting experience. Specifications: 1. Signal-to-noise ratio (DA): 108dB 2. Dynamic range (DA): 108dB 3. Total harmonic distortion (DA): 92dB 4. Signal-to-noise ratio: 102dB 5. Dynamic range (AVD): 102dB 6. Total harmonic distortion (AD): 90dB 7. Housing material: Metal 8. Battery capacity: 3000mAh 18650 lithium battery 9. Use time: 5-8 hours