I have seen and heard many ask whats the best music player and i been testing . keep seeing this dsp and i have had that one many of times with cm6 cm7 on my ascend . But with this lg esteem its like playing Baseball 3 strikes you out or you hit a fly ball and its over . well today its over i tried both paid and free and this player jet audio has it all the biggest is the cross fading and the feeling of a concert and yes both effect work headset and phone speaker so if you see me on the street dont holla my name i think its best to call my phone . thats the only way to stop these tones :smokingsomb: