This listing is for ZX Spectrum AY-3-8910 sound and Kempston joystick interface.

- small and compact design using GAL20V8

- full Kempston address decoding to avoid possible conflict with other extension modules

- Kempston joystick function can be disabled by jumper removal

- comes either with AY-3-8910 chip or alternative YM2149F, depends on availability

- fully tested

- next day shipping

 the list of ZX Spectrum 48 games supporting AY-3-8910

 https://www.rwapsoftware.co.uk/spectrum/spectrum_sounds.html