Any serious DJ will need good quality headphones to monitor exactly what they are mixing. For the best results you will need closed back headphones which will greatly reduce background noise and enable you to monitor your next cue and current performance.
We have professional quality DJ headphones from Numark and Sennheiser which are ideal for anyone who is in this profession. From time to time you will need a microphone to address the crowd and this can be either a radio microphone or a corded model. Shure produce a wide range of microphones suitable for the professional DJ and after many years is still the most popular variety.