Sales › SL424USB - 16bit / 48 KHz USB interfaces with tactile mixing control.. 4 mono channels SL424USB - 16bit / 48 KHz USB interfaces with tactile mixing control.. 4 mono channels $479.00 SL424USB - 16bit / 48 KHz USB interfaces with tactile mixing control.. 4 mono channels SL424USB - 16bit / 48 KHz USB interfaces with tactile mixing control.. 4 mono channels Quantity: Add To Cart Added! Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More