a b c e f h i j l m n o q r s t y z a Akai Pro AKG Alesis Allen and Heath Alto Pro Ampeg b Behringer Boss c Casio Chauvet e Electrovoice Eve Audio EWI f Fender h Hartke HeadRush Hybrid i Ibanez j JBL l Ludwig m Mackie Marshall Mason Medeli n Nord Numark o Orange q QSC r RCF Rode Roland s Samson Sennheiser t Tama Taylor Trace y Yamaha z Zoom
