A:AnswerYou have an amp, so wired speakers would be better. Your crosley could connect directly to powered speakers but you would better to get some Polk t15 speakers or budget pair if passive/wired speakers that suit your budget
A:AnswerYou would need a Bluetooth splitter like https://www.bestbuy.com/site/aluratek-bluetooth-audio-receiver-and-transmitter/5715709.p?skuId=5715709