Products from the following manufacturers are excluded:

3rd Power Amps, 65amps, A Designs, Ableton, Access, AC-CETERA, ADAM, ADAM Audio, AER, Aguilar, Akai Professional, AKG, Alesis, Allen & Heath, Alpine Hearing Protection, Alto, Altus, Alvarez, American Audio, American DJ, Ampeg, Andreas Eastman, Antelope Audio, Antoine Courtois Paris, Aphex, Apogee, Apple, Armstrong, ART, Arturia, Ashdown, Ashly Audio, ATC, Audio-Technica, Audix, Auralex, Avalon, Avanti, Avantone, Avid, Axl, Azumi, B&S, B.C. Rich, Bach, Backun, Backun Clarinet Accessories, Backun Clarinets, Bad Cat, BAE, BAM, Barefoot Sound, Beats by Dre, Beetronics FX, Behringer, Belkin, Benchmark, Besson, Blackheart, Blackstar, Blue, Bogner, Bose, BOSS, Breedlove, Brio, BSS Audio, Budda, Buffet Crampon, Bugera, Bundy, Burl Audio, Caparison Guitars, Carl Martin, Casio, Catalinbread, Cerwin-Vega, Chameleon Labs, Chandler Limited, Chapman, Charvel, CHAUVET DJ, CHAUVET Professional, Cleartone, Cloud, Conn, Cordoba, Crate, Crown, Cusack Music, D.W. Fearn, Daking, Danelectro, D'Angelico, Dangerous Music, DBX, ddrum, Dean, Dean Markley, Death by Audio, Deering, Diezel, Digitech, Disney by Washburn, Drawmer, Dream, Duesenberg USA, Dunnett, DW, EarthQuaker Devices, Earthworks, Eastman, EBS, Eden, Eden by Learning Curve, Edirol, Egnater, Elation, Electro-Harmonix, Electro-Voice, Elektron, elysia, Emerson, EMG, Eminence, Emma Electronic, Empirical Labs, Empress Effects, Engl, Epiphone, Ernie Ball Music Man, ESP, Euphonix, Eventide, EVH, F. Loree Paris, Fender, Fender Custom Shop, Fishman, FOCAL, Focusrite, Fodera, Fostex, Fox, Friedman, Fryette, Fuchs, Fulltone, Fulltone Custom Shop, Furman, G&L, G7th, Gallien-Krueger, Gator, Gemeinhardt, Genz Benz, Getzen, Gibraltar, Gibson, Gibson Custom, Godin, Godlyke, Gold Tone, Golden Age Project, GoPro, Grace Design, Gretsch, Gretsch Drums, Gretsch Guitars, Guild, Guyatone, Hagstrom, Hammond, Hans Hoyer, Hao, Harmon, Haynes, Haynes, HeadRush, Hercules, Heritage Audio, HHB, HK AUDIO, Hohner, Holton, Ibanez, iConnectivity, Ingles, ISP Technologies, iZotope, J Puchner, Jackson, JamHub, Jasmine, JBL, Jet City Amplification, JHS Pedals, JodyJazz, Johnson, Jupiter, K&M, Kala, Kanstul, Kat Percussion, Kawai, Keeley, Keilwerth, Kemper, King, KORG, Kramer, KRK, Kurzweil, Kurzweil Home, Kush Audio, LaChapell Audio, Lag Guitars, Lakland, Laney, Langevin, Leblanc, Lee Oskar, Lewitt Audio Microphones, Lexicon, Lindell Audio, Line 6, LP, Lucida, Ludwig, Luna, Mackie, Mad Professor, Malekko Heavy Industry, Manley, Mapex, Markbass, Marshall, Martin, Martin-Leblanc, M-Audio, Maxon, Meinl Weston, Meris, MESA/Boogie, METRIC HALO, Milkman Sound, Millennia, Miraphone, Mogami, Mojave Audio, Moog, Morgan, Morgan Amplification, Morrie Backun, MOTU, MusicXPC, Native Instruments, Neumann, Neve, Nord, Novation, NS Design, N-Tune, Numark, Oberheim, Olympus, On-Stage, Orange Amplifiers, Ortofon, Ovation, P. Mauriat, Paiste, Palatino, Parker Guitars, PDP By DW, Pearl, Peavey, Perri's, Pettyjohn Electronics, Phoenix Audio, Phonic, Pigtronix, Pioneer, Pioneer DJ, PMC, Powell, Prelude by Conn-Selmer, PreSonus, Primacoustic, Pro-Ject, Protection Racket, PRS, PRS Cables, QSC, Quik-Lok, Radial Engineering, Rainsong, Randall, Rane, Reason Studios, Reloop, Reunion Blues, Reverend, Rhythm Tech, Rickenbacker, Rivera, RME, Rockbag by Warwick, Rockbass by Warwick, Rockcase by Warwick, Rockett Pedals, RockStand by Warwick, Roc-N-Soc, Rode, Roland, Roland Cloud, ROLI, Royer, Ruach Music, Rupert Neve Designs, S.E. Shires, S.E. Shires, Sabian, Sample Logic, Samson, Savannah, Schecter Guitar Research, Schilke, Schreiber, Schroeder, sE Electronics, Seagull, Selmer, Selmer Paris, Sennheiser, Sequential, Serato, Seymour Duncan, Shure, SKB, Slate Digital, Slate Media Technology, Slate Pro Audio, SM Pro Audio, Snark, Softube, Soldano, Solid State Logic, Sonare, Sonivox, Soundbrenner, Soundcraft, Source Audio, Spector, Splawn, Squier, Stanton, Steinberg, Steinberger, Stephanhouser, Sterling by Music Man, Steven Slate Audio, Steven Slate Drums, Strandberg, Strymon, Studiologic, Suhr, Summit Audio, Supro, Suzuki, SWR, Synergy, Takamine, Tama, Tapco, TASCAM, Taylor, TDK, Tech 21, Technics, Teenage Engineering, TELEFUNKEN, Teletronix, The Loar, Tobias, Toca, Toft Audio Designs, Tone King, Tortuga, Traveler Guitar, Traynor, T-Rex Engineering, True Systems, TRUSST, Tube-Tech, Turbosound, Two Notes Audio Engineering, Ultimate Support, Universal Audio, Undertone Audio, Vega, Vestax, VHT, Vito, VMI, Voodoo Lab, VOX, Waldorf, Walrus Audio, Wampler, Warm Audio, Washburn, Weber Speakers, Westone Audio, Wm. S Haynes Amadeus, Xotic Effects, Yamaha, Yanagisawa, Zildjian, Zoom, ZT, ZVEX