Stereo Amplifier Codes
| Stereo Amplifier | Code |
| Adcom | 30577, 31100 |
| Aiwa | 30406 |
| Audiosource | 30011 |
| Bose | 30674 |
| Carver | 30269, 30892 |
| Curtis Mathes | 30300 |
| Denon | 30160 |
| Durabrand | 31561 |
| Elan | 30647 |
| GE | 30078 |
| Harman/Kardon | 30892 |
| JVC | 30331 |
| Kenwood | 30356 |
| Left Coast | 30892 |
| Lenoxx | 31561 |
| Linn | 30269 |
| Luxman | 30165 |
| Magnavox | 30269 |
| Marantz | 30892, 30321, 30269 |
| McIntosh | 30251 |
| Nakamichi | 30321 |
| NEC | 30264 |
| Optimus | 30395, 30300 |
| Panasonic | 30308, 30521 |
| Parasound | 30246 |
| Philips | 30892, 30269 |
| Pioneer | 30300, 30013 |
| Polk Audio | 30892, 30269 |
| RCA | 30300 |
| Realistic | 30395 |
| Sansui | 30321 |
| Shure | 30264 |
| Sony | 30689, 30815, 30220 |
| Soundesign | 30078, 30211 |
| Technics | 30521, 30308 |
| Victor | 30331 |
| Wards | 30078, 30013, 30211 |
| Yamaha | 30354, 30143, 30133, 30504 |
