High power, rugged and durable passive DI High performance custom wound former -15dB attenuation, allowing ultra-high level output from devices such as CD players and headphones enter Ground switch eliminates the "hum" sound in the ground loop Connect consumer audio products with professional audio equipment<br><br>Ultra-sturdy design, extended service life Plug and play, easy to operate Completely passive design, no power supply required Input and pass-through plugs to connect inst ents to inst ent amplifiers XLR balanced 600Q microphone level output up to 1000 feet away with no noticeable noise Technical specifications: Channel: dual channel Channel type: 2 mono channels or make up a stereo Type: High performance passive DI Power supply method: plug and play Frequency response: 20Hz~20KHz(0.2dB) Dynamic range: 128 dB Total harmonic distortion: 0.01% from 20Hz~20kHz @-10dB Input impedance: 140k ohms, unbalanced Output impedance: 150~600 ohms, balanced Input board, 180° polarity reversal, ground lift Input connector: 6.5 1/4inch Output connector: XLR, 1/4inch straight through Dimensions (length x width x height): (105mm x 90mm x45mm) Condition: Only suitable for dry places between 5°C and 40°C Colour:black Material:Metal<br><br>Package Contents: 1 x Passive Audio 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.