These could keep you occupied until you can save up for the elite stuff
https://www.buckeyeamp.com/shop/amplifiers/purifi/1et9040ba/monoblock
Or
https://nordacoustics.co.uk/product/nord-three-1et9040ba-mb-mkii-mono-block-power-amplifier/
Ultra High Damping Factor
High Current Output : 40A
You can shoot me, but they work with better specs than GaNFET's and sound damn good (not your father's Class D) 😘