["Description:\nbrand new and high quality\nFeature:\nMini passive stereo mixer is a stereo four-way passive mixer for extended control tuning, mixing instrument, C-D player, tape player, computer, mobile phone, tablet and so on. No battery or other power source required. The device can also be used as 1 In 4 Out stereo distributor clockwise to adjust the volume.\nOUTPUT: is used to connect RCA jack to mixer output or other output devices.\nIN 1-4: controls the signal level from input 1-4.\n4 groups of stereo RCA input and 1 group of stereo RCA output,\nFour independently regulated 100K ohmic potentiometers.\n\nSpecifications:\nItem Type: Sound Mixer\nModel: CX400\nChannel: 4 channels\nInput impedance: 10K ohms to 47K ohms\nOutput impedance: 2.5K ohms to 10K ohms\nGain: -12dB MAX\nMaterial: ABS+Metal\nSize: 83x52x38mm\nColor: Black\nQuantity: 1 PC\n\nNote:\nTransition: 1cm=10mm=0.39inch\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 x Passive Mixer"]