E7 can work as a desktop USB DAC/AMP, to drive some hard to drive headphone like HD600, HD650!
In this usage, E7 only work as a USB DAC, and E9 work as a desktop headphone amplifer!
1,E9 have tow headphone output jack, the 6.5mm output jack is suitable for big headphone, and the 3.5mm output jack is suitable for earphone! so in case the higt volume output may damage the
earphone!
2, The power switcher of E9 is build in the potentionmeter! so each time you turn on the E9, the volume will increase from min, it is also design to prvent the damage of the high output!
the output of E9 is about 1W/ channel! it can even drive some sensitive speakers!
3, There are headphone protect circuit inside E9, and when the light is turn from red to blue, E9 start to work!
4, In this usage, the USB is connect to E9, and tranfer to E7 through the dock of E7! at the same time, the E9 also provide power to E7, it is just like a docking station !
5, The E9 need a extra power supplier! which is DC15V/1.2A!
Below is the diagram!
In this usage, E7 only work as a USB DAC, and E9 work as a desktop headphone amplifer!
1,E9 have tow headphone output jack, the 6.5mm output jack is suitable for big headphone, and the 3.5mm output jack is suitable for earphone! so in case the higt volume output may damage the
earphone!
2, The power switcher of E9 is build in the potentionmeter! so each time you turn on the E9, the volume will increase from min, it is also design to prvent the damage of the high output!
the output of E9 is about 1W/ channel! it can even drive some sensitive speakers!
3, There are headphone protect circuit inside E9, and when the light is turn from red to blue, E9 start to work!
4, In this usage, the USB is connect to E9, and tranfer to E7 through the dock of E7! at the same time, the E9 also provide power to E7, it is just like a docking station !
5, The E9 need a extra power supplier! which is DC15V/1.2A!
Below is the diagram!
