Is there one in the 50-70$ range I could use? Considering a kratky setup if that matters. I find this but unsure about what kind of power output I need to be looking for. https://www.amazon.com/dp/B08R9CK45R/ref=cm_sw_r_cp_apa_glt_fabc_NSYP7RTSS085BJXNWM51?_encoding=UTF8&psc=1