inputs.text: musthave portable amp users - ordering last september connected ipod touch electric avenues pa2v2 headphone via 6\\ cardas cable setup sounded decent ears always felt turn amps volume high get decent resolution right old setup whats referred \\double amping\\ due fact ipods headphone output already amped double amping undermines amplifier youre purposefully using degrades sound quality across board using l9 drastically lowered volume needed amp made slight noticeable increase portable rigs detailing youre currently using ipods headphone connect amplifier line dock connector worth purchasing spend 100 one companies improvement sound quality model minimal best say someone whos spent hundreds dollars cable upgrades past