Features: The DI20 Box delivers professional signals conversion and noise isolation, eliminating impedance mismatch and electromagnetic interferences for clear music transmission in demanding environments. Featuring a metal housing with advanced noise canceling circuitry, this impedance matching music device ensures durability performances while maintaining signals integrity across multiple connecting equipment. Ideal for musicians, studio engineers, and live sound technicians requiring reliability connectivity between instruments, mixers, and recording systems without compromising music quality. Perfect for stage performances, studio recording , and mobile setups where electromagnetic interferences and ground loop typically degrade premium music equipment outputs. Its compact, road ready design simplifies integration with XLR equipped systems while providing universally compatibility with guitars, keyboards, and PA systems for seamless multidevice synchronization. Specifications: Component: metal Size:Approx.167x112x57mm/6.57x4.41x2.24inch Color: black Frequency response: 20Hz~20KHZ Dynamic ranges: 109DBU Intermodulation distortion: 0.003%@ -3DBU Phase deviation:+10° AT20HZI0° AT1KHZI-1AT20KHZ Input impedance:220KQ-1/4 INPUT Output impedance:600Q-XLR OUTPUT Most input:+10DBU Illusionary power:18VDC~48VDC Battery:18650 Battery Package Includes: 1pc DI20 BOX note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color