3.5mm to XLR with volume control

3.5mm to XLR with volume control From the Manufacturer: LTIBLOX / LTIGLBLOX are consumer to pro interfaces. They convert input from consumer grade equipment (laptops computers, MP3 players, CD players) to a mic level - balanced output. They will also give the operator volume control of the outgoing balanced signal. Equipped with a 3.5mm male input and XLR male output. The LTIGLBLOX also has a ground lift switch and extended 6 Ft. cable with a hand soldered metal 3.5mm stereo connector. Specifications: (1) XLR  Male panel mount connector (1) 3.5  Male wired on 2 ft tail (6 ft tail LTIGLBLOX) (1) Potentiometer Volume control with knob (1) DBT  Transformer (1) Switch  Ground lift (LTIGLBLOX only) Approximate size: 3 1/2" x 1 1/4" x 1" Some BLOX may be slightly larger due to LEDs, switches, knobs, etc.