Can be used as both a mixer and a splitter. I used it to connect Chase Bliss's Habit and Blooper in parallel, without them interfering with each other, and to adjust the balance of the strange soundscapes. - Model: SPX-31 - Type: Signal Splitter & Mixer - Input Impedance: 1 MΩ - Output Impedance: 2 kΩ - Power Supply: 9-15 V DC - Current Consumption: max. 40 mA - Max Output Level: +6 dBm - Max Input Level: +6 dBm This is a used item, so no claims or returns will be accepted.