Trade Up, Get Paid Up! ProAudio.com is excited to participate in the hottest promo from Allen & Heath! Trade in your old digital mixer* and earn up to $1450 when you purchase a new SQ-5, SQ-6, or SQ-7 mixer. Valid 10/1/19 - 11/30/19. Trade-in forms are here. *Behringer x32, PreSonus StudioLive 32 Series III, Yamaha TF5, and Midas M32 only.