The device has a filter knob (hi-lo pass) for each channel. Filters are used to manipulate sound and control which frequencies are lost and which are retained.
2.audio interface frequency rate
Audio interface sampling rate/frequency defines the number of samples per unit of time taken from a continuous signal to make a discrete signal. Sampling rate determines the quality of a digital recording.
3.Has LED sound level Indicators
LED sound level Indicator on the mixer section allow DJs to instantly identify the sound level of each channel.
4.The mixer section can work as stand-alone
This mixer function enables you to use your device along with CD players, turntables or other interfaces, with or without having a computer connected.
The number of headphone output ports the device has (usually 6.35mm or 3.5mm).
With more channels available, more tracks could be mixed together. It is also possible to control additional external audio sources.