inputs.text: excellent unit - purchased replace sony radiocd player boat jensen made solid unit sound great even old sony speakers lol liked sound much purchased 4 new speakers power get jensen sound phenomenal blue tooth feature great lot music itunes also xm radio course play free internet channels installation easy wires labeled color coded reason not give full 5 stars thought instructions pair blue tooth audio menu could clearer fine thought manual would better step step process otherwise pleased would highly recommend itehem