Aux can be connected to any device that has line or earphones output with RCA cable (not included). This device has only line outputs so external power amplifier must be connected.Sound is very nice, display looks good and bright as it is not LCD but vacuum tube. Some traces of use, one plastic EQ slider missing but overall good condition. Fits most cars of 80's as it is single DIN radio. Our company specializes in electronics repair business for more than 20 years and we test and refurbish every item if needed. Item is located in EU. The item "Vintage car Radio CD player Alpine 7903M made in Japan + AUX in Porshe Toyota" is in sale since Thursday, March 5, 2020. This item is in the category "eBay Motors\Parts & Accessories\In-Car Technology, GPS & Security\Vintage Radios". The seller is "radios-workshop" and is located in Panevezio r. This item can be shipped to North, South, or Latin America, all countries in Europe, Australia, Japan.