Sound Technician for NY Conference

We are an NGO organising an event on 21st September in New York 10036. We will hold a conference with 6-7 speakers and 80 guests and 2 musicians . We will have sound equipment (microphones, cables and... (Budget: €250 - €750 EUR, Jobs: Audio Engineering, Audio Mixing & Mastering, Audio Production, Audio Services, Event Management, Music, Sound Design)