* [[PlayCity]]
* [[SYMBiFACE II]]
* [[Symbiface 3]]
* [[RSF3]]
* [[M4 Board]]
* [[ULIfAC]] (Ultimate Interface for Amstrad CPC)
== Synthesizer, sampler and music related ==
* [[Willy|Willy adapter]] for OPL3LPT and S2P Serdaco LPT soundcards ([[PulkoTronics]])* [[AMSDAP|Amsdap adapter]] for MoonSound and MP3MSX MSX cartridge soundcards ([[Prodatron]] and [[TMTLogic]])
* [[Amstrad SSA-1 Speech Synthesizer]] ([[Amstrad]])
* [[Dk'tronics Speech Synthesizer]] ([[Dk'tronics]])
* [[MHT Speech Synthesizer]] ([[MHT Ingenieros]])
* [[LambdaSpeak III ROM|LambdaSpeak]] ([[LambdaMikel]] of [[FutureSoft]])
* [[Speak&SID]] ([[LambdaMikel]])
* [[TMPI speech synthesizer]] ([[TechniMusique]])
* [[TechniMusique Synthetiseur Musical|TMPI Musical Synthesizer]] (12 voices) ([[TechniMusique]])
* [[CPC Booster|CPC Booster/CPC Booster+]] (Stereo Sampling/Playback) ([[Antitec]]/[[Dirty Minds]])
* [[Datel Digital Sound SamplerPlayCity]] ([[Arnold Computer Multi-Expansions]])* [[Play2CPC]] ([[Abalore]]/[[Datel ElectronicsACME]])
* [[Amdrum]] (Playback) ([[Cheetah]])
* [[Digiblaster]] (Playback) (DIY) (8-bit DAC on printer port) ([[CPC Amstrad International]])
* [[Soundplayer|SoundplayerNG]] (DIY) (8-bit mono playback) ([[Futurs']])
* [[Digivox sampler]] (EMM)
* [[Datel Digital Sound Sampler]]/[[Datel Electronics]]
* [[Music Machine]] (Sampling/Playback/MIDI) ([[Ram Electronics]])
* [[DHCP MIDI Interface]] (DHCP Electronics)
* [[EMR MIDI Interface]] (MIDI) ([[EMR|ElectroMusic Research]])
* [[FuturePlayer]] (modern MP3 playback, max 128kbps) (Hard: Dr.Zed, Soft: TFM)
* [[Maestro]] (Amplifier/Speakers) (Vanguard Leisure Ltd.)
* [[Magic Sound Board]] for [[Aleste 520EX]] (four channel DMA playback) ([[Patisonic]])
* [[Mini Interface for connection to MK5 MIDI Keyboard]] ([[Cheetah]])
* [[Music Machine]] (Sampling/Playback/MIDI) ([[Ram Electronics]])
* [[Silicon Systems MIDI Interface]] ([[Silicon Systems]])
* [[FuturePlayer]] (modern MP3 playback, max 128kbps) (Hard: Dr.Zed, Soft: TFM)
* [[Magic Sound Board]] for [[Aleste 520EX]] (four channel DMA playback) ([[Patisonic]])
* [[Maestro]] (Amplifier/Speakers) (Vanguard Leisure Ltd.)
* [[Sound Blaster]] (Amplifier/Speakers) ([[Siren Software]])
* [[Unconventional use of hardware to produce sounds]]
* [[C4CPC|C4CPC]] a modern cartridge replacement for the Amstrad Plus range and the GX4000.
* [https://overange.weebly.com/amstrad-gx4000-cpc-464-6128-plus-reflashable-flash-cartridge.html Flash+ cartridge] Amstrad CPC+ GX4000 reflashable cartridge.
* [[Plus2CPC|Plus2CPC]] an expansion board to add a Plus cartridge port to the standard CPC.
* [https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/play2cpc-plus2cpc-ii-extra-sound-channels-and-rewritable-cartridges/ Play2CPC] (aka Plus2CPC II) cartridges are now rewriteable and it has been made is now partially compatible with the audio part of the PlayCity expansion (2xYMZ chipsYMZ soundchip).
== Miscellaneous ==