he Numark Mixtrack Platinum FX is an all-in-one, 4-deck Serato DJ controller, designed to inspire, develop, and hone your DJ skills, and is well suited for beginners or advanced performers. The Mixtrack Platinum FX allows you to not only play and mix music, but remix, mash-up, and transform your tracks in real-time as well. The controller features two 6" capacitive-touch, high-resolution jog wheels with integrated displays that deliver all critical song information, including beats per minute (BPM), platter position, time remaining, pitch adjustment, and key. Two premium paddle triggers allow you to effortlessly command Serato's built-in software effects with quick-access buttons for echo, reverb, flanger, phaser, HPF (high-pass filter), and LPF (low-pass filter).