inputs.text: nice product easy installation - product specifications understood product audio adapter 35mm headphone jack no surprises found envelope since multiple devices apple android use car headphone jack easiest choice usb port charging not run additional cable expose itinstallation easy enough plenty videos web see install found one showed rehemove cupholder cover gearshift special tools able place grom unit behind radio head without secure tape anything things pretty snug compartment posters commented mounting brackets would nice not sure could mount easily limited space ran audio cable behind console slot ashtray sits slide ashtray back top ashtray snug not quite secure not want drill not arrangehement works well alternative laid cable connects head unit grom adapter behind radio ashtray gear shift front section cup holders area component airbag looked plenty space try mount tape something rigid taking route would make opening audio cordthe sound quality good hear device headphones plugged definitely better fm transmitter bought years ago need find balance device volume car radio volumethe interesting behavior seen switch head unit play audio grom device plays split second split second silence continues playing consistent doingthat turning car turning radio changing audio source cd cd changer not know grom head unit not big dealoverall 30 minute installation great option mazda owners looking utilize personal devices cars audio systehem