* [[SOFT 968]] (AMSTRAD) FIRMWARE SPECIFICATION (6128)
* [[Sound Blaster|SOUND BLASTER]] (SIREN SOFTWARE) (1987) SOUND AMPLIFIER + 2 SPEAKERS + HEADPHONES
* [[MHT Speech Synthesizer|Speech Synthesiser]] (MTH Ingenieros) probably means (MHT IngenirosIngenieros) Speech Synthesiser
* [[Amstrad SSA-1 Speech Synthesizer|SSA-1 Speech Synthesiser]] (Amstrad) (?) Speech Synthesiser
* STEREO SOUND BOOSTER (DATEL) STEREO AMP + SPEAKERS