| 1000006 | AGF Amplisound | - | - |
| 1000017 | AY Interface | - | - |
| 1000013 | Amplifier | - | - |
| 1000755 | Amplifier | - | - |
| 1000032 | BEEP Amp | - | - |
| 1000029 | Basicare Sonus | - | - |
| 1000592 | Beep Amplifier | - | - |
| 1000035 | Big Ears | - | - |
| 1000053 | Chatterbox | - | - |
| 1000054 | Chatterbox II | - | - |
| 1000058 | Cheetah Mega-Sound | - | - |
| 1000482 | Cheetah Sound Sampler | - | - |
| 1000063 | Cheetah Sweet Talker | - | - |
| 1000081 | Currah MicroSpeech | - | - |
| 1000378 | DCP S-Pack | - | - |
| 1000620 | DCP Speech Pack | - | - |
| 1000118 | DK'Tronics 3 Channel Sound Synthesiser | - | - |
| 1000119 | DK'Tronics Beep Audio Amplifier | - | - |
| 1000127 | DK'Tronics Spectra-Sound | - | - |
| 1000128 | DK'Tronics Speech Synthesiser | - | - |