| Cat Name | Cat ID | Comment |
|---|
| + | Antiques | 20081 | |
| + | Art | 550 | |
| + | Baby | 2984 | |
| + | Books | 267 | |
| + | Business & Industrial | 12576 | |
| + | Cameras & Photo | 625 | |
| + | Cell Phones & PDAs | 15032 | |
| + | Clothing, Shoes & Accessories | 11450 | |
| + | Coins & Paper Money | 11116 | |
| + | Collectibles | 1 | |
| + | Computers & Networking | 58058 | |
| + | Crafts | 14339 | |
| + | Dolls & Bears | 237 | |
| + | DVDs & Movies | 11232 | |
| + | Electronics | 293 | |
| + | Entertainment Memorabilia | 45100 | |
| | Gift Certificates | 31411 | |
| + | Health & Beauty | 26395 | |
| + | Home & Garden | 11700 | |
| + | Jewelry & Watches | 281 | |
| + | Music | 11233 | |
| - | Musical Instruments | 619 | |
| | | Accordion & Concertina | 16218 | |
| | + | Brass | 16212 | |
| | + | Electronic Instruments | 38068 | |
| | + | Equipment | 41402 | |
| | + | Guitar | 3858 | |
| | + | Harmonica | 47078 | |
| | + | Instruction Books, CDs & Video | 100228 | |
| | + | Percussion | 10172 | |
| | + | Piano & Organ | 16217 | |
| | - | Pro Audio Equipment | 15197 | Moved from [Electronics-293] Renamed from [Pro Audio & Stage Effects] |
| | | - | Amplifiers | 163896 | |
| | | | | Headphone Amplifiers | 163863 | Moved from [DJ Equipment-48458] |
| | | | | Power Amplifiers | 23787 | |
| | | | - | Preamplifiers | 163897 | |
| | | | | | Active | 163901 | Combined into [Preamplifiers-163897] |
| | | | | | Passive | 163898 | Combined into [Preamplifiers-163897] |
| | | | | Parts & Repair | 163899 | |
| | | | | Other | 14983 | Moved from [DJ Equipment-48458] Renamed from [Amplifiers] |
| | | | | Other | 163900 | Combined into [Other-14983] |
| | | + | Cables | 41459 | |
| | | + | Computer Recording | 41783 | |
| | | - | DJ Equipment | 48458 | |
| | | | | DJ Headphones | 14985 | |
| | | | | Equipment Cases & Stands | 69965 | |
| | | | - | Mixers | 163864 | Combined into [Mixers-23785] |
| | | | | | CD Mixing Decks | 91384 | Combined into [Mixers-23785] |
| | | | | | Mixer Units | 48459 | Combined into [Mixers-23785] |
| | | | | | MP3 Mixing Decks | 96962 | Combined into [Mixers-23785] |
| | | | | | Other | 163865 | Combined into [Mixers-23785] |
| | | | | Power Amplifiers | 69962 | Combined into [Power Amplifiers-23787] |
| | | | | Speakers | 69967 | Combined into [PA Speakers-47094] |
| | | | | Turntables & Decks | 48460 | Renamed from [Turntables, Decks] |
| | | | + | Turntable Parts & Accessories | 164783 | Relocated within Parent |
| | | | | Vinyl & CD Storage | 69961 | Renamed from [Vinyl & CD DJ Bags & Cases] |
| | | | | Other | 163862 | |
| | | + | Microphones | 29946 | |
| | | | Mixers | 23785 | |
| | | + | Monitors & Speakers | 47091 | |
| | | | Multi-Track Recorders | 15199 | |
| | | | Soundproofing & Studio Foam | 168129 | Renamed from [Soundproofing, Studio Foam] |
| | | | Training Manuals & DVDs | 168130 | |
| | | + | Rack Gear | 23791 | |
| | | | Vintage (Pre-1982) | 119019 | Renamed from [Vintage (Pre-1980)] |
| | | | Parts & Accessories | 113484 | Relocated within Parent |
| | | | Other | 3278 | |
| | + | Sheet Music & Song Books | 20833 | |
| | + | String | 10176 | |
| | + | Woodwind | 10181 | |
| | + | Wholesale Lots | 52555 | |
| | | Other | 308 | |
| + | Pet Supplies | 1281 | |
| + | Pottery & Glass | 870 | |
| + | Real Estate | 10542 | |
| + | Specialty Services | 316 | |
| + | Sporting Goods | 382 | |
| + | Sports Mem, Cards & Fan Shop | 64482 | |
| + | Stamps | 260 | |
| + | Tickets | 1305 | |
| + | Toys & Hobbies | 220 | |
| + | Travel | 3252 | |
| + | Video Games | 1249 | |
| + | Everything Else | 99 | |
| + | QA Test Clothing Shoes & Acces | 166299 | |
| + | QA Test Books | 168673 | |
| + | Partner | 10159 | |
