Isolation Transformer Eliminates Noise Very low harmonic and phase distortion Compact and robust design perfect for live sound and studios. Isolated XLR connector eliminates chassis ground potential<br><br>Custom audio on the inputs provide 100% isolation to noise and noise-induced ground loops while maintaining signal integrity. PC board with full ground plane for reduced susceptibility to RF noise High quality switches - , high cycle times and reliable performance 14-gauge steel welded I-beam construction makes twisting of the PC board nearly impossible The -15dB pad can reduce the level of loud sources that can overload the circuit and cause distortion Bookend design creates a protected zone around the switch and connector, indestructible 14-gauge steel construction Full non-slip rubber bottom pad provides mechanical isolation, electrical insulation and prevents the unit from sliding Balanced XLR XLR output interface, standard with 1-pin pin and 2-pin pin The elevator switch raises the ground to pin-1 on both channels. Heavy-duty baked-on enamel finish for exceptional durability Colour:black Material:Metal Size: 12 x 7.5 x 4cm<br><br>Package Contents: 1 x DI Box<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.