Mono Passive DI Direct Injection Box for recording and live sound applications (cables in picture not included). Great for unbalanced instrument inputs such as keyboard, synthesizer, acoustic guitar, electric guitar, bass, effects, signal processors, mandolin, ukulele, violin, string instruments,DJ mixers, drum machine or pads, sampler, MIDI controller, submixers, sound module, lap or pedal steel, organ (Hammond B-3, etc.), and more. 1/4" hi-Z input connector and XLR lo-Z microphone level output connection for level matching, balancing, active buffering, passive impedance bridging, and connection to mixer, snake, interface, or main PA system. Ground lift switch offers interference elimination of buzz and cancellation of ground loop hum (including 60HZ). Easily connects and provides clean and high quality balanced audio signal. Can also connect to a stereo, boom box, or turntable output to sample vinyl LP records. Durable and heavy duty construction. SPECS--Input Attenuator Pad: 0db/-20db/-40db (PLEASE NOTE: If not getting signal passing through to XLR output, make sure pad is set to 0db); Instrument Input: Unbalanced TRS Jack (50k ohm); Parallel Link Output To Amp/Amplifier: Unbalanced TRS/TS Jack (50k ohm); Output: Balanced XLR jack; Ground Lift: In/Out Switch; Construction: Metal Case, Rubber Feet; Dimentions: 120x77x45 mm/4.7x3x1.8 inches