The following manufacturers have asked not to participate in coupon offers and other promotional discounts:
Alexander Pedals, ARC Effects, Black Arts Toneworks, Boss, Caroline, Cast Engineering, Catalinbread, Chase Bliss, Dr. Scientist, Electro Harmonix, Empress, Earthquaker Devices, Eventide, Frantone Electronics, Function f(x), Fuzzhugger, Greenhouse Effects, Greer Amps. Heavy Electronics, ISP, J. Rockett Audio Designs, JHS Pedals, Keeley Electronics, Korg, Malekko, Mr. Black, Oddfellow FX, Park Amplification, Pettyjohn Electronics, Red Panda, Shoe Pedals, Source Audio, Stone Deaf, Subdecay, TC Electronic, Tech 21, ThorpyFX, VFE Pedals, Voodoo Lab, Vox, Walrus Audio, Wampler, Wren and Cuff, Xotic, Zvex
Coupons not valid on special discounted products such as discontinued, B-Stock, or Open Box items.