Features: The XLR1 BOX sound isolator delivers three stage gain control for precise signals adjustment, enabling noise easy and lossless sound transmission to secure sound quality in any setup. Featuring a strong metal construction, this device offer wide compatibility with mixers and electric guitars, providing stable performances to protect sound equipment and eliminate interferences. Designed for professional sound engineers, musicians, and guitarists, it caters to users who require high accuracy sound without disruptions for optimal music production. Ideal for studio recording meeting , live performances, or individual practice environments, it creates a quiet sound space by removing electrical hums and ground loop issues. By safeguarding against current induced damage, the XLR1 BOX enhances equipment longevity and maintains signals integrity for a superior listening experience. Specifications: Component : metal Size: about 44x85x86mm/1.73x3.35x3.39inch Input interfaces: XLR×2, 1/4"TRS×2 Output interfaces: XLR×2, 1/4"TRS×2 Frequency response: 20HZ-50KHZ (±<0.2dbref1khz) Input impedance: 600Ω/10KΩ ( impedance) Insulation resistance: DC1000V 100Ω Fixed loss: <0.7db (ref 1khz 1V ) Output impedance: 600Ω/10KΩ ( impedance) Isolation electric : AC50Hz-60Hz -1500V Package Includes: 1xAudio Isolator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.