inputs.text: poor quality - easy use unit provides 4 different prechosen frequencies transmit popular us radio stations therefore not work well since competing signals air frequency lucky find fourth setting 1067 work somewhat though actually tune car radio 1069 clearest signal first unit sent not work send second unit made china quite cheaply signal strength poor sound quality 5 scale 1 10 sound affected move unit placed unit right radio area thought probably better closer antenna anyway guess get pay case get cheaply made unit sort works mediocore sound would probably expensive models like itrip one griffin belkin expensive 30 may better quality