Amazon.com: New Combinable 3in1 Sleep Sound Machine- DIY Remix White Noise Machine with 8 Basic Non Looping Natural Soothing Sounds, 255 Combined Scene Sounds, Dual Ultra-HiFi Speakers and Timer, Better Sleep :
Amazon.com: Gueray CD Player Portable Bluetooth Desktop CD Player for Home with Timer Built-in HiFi Speakers with LCD Screen Display Boombox FM Radio USB Type-c : Electronics
Reclaimed Audio and Electronics - When Hi-Fi system timers were big in the 80s Sansui released the AT-700, an attractive and capable unit. We suspect you won't find many in Australia though,
AKAI audio timer DT-100 Hi-Fi Separate from HIFI Vintage | eBay
Audio Timer - Etsy
National TE65 (TE656/TE655) specifications National
AKAI audio timer DT-100 Hi-Fi Separate from HIFI Vintage | eBay