HIDIZS S9 PRO: Pocket-Sized Hi-Fidelity Tool
"Necessity is the mother of innovation" The removal of the headphone jack in the smartphones was supposedly the end of the analogue technology that traces back to the late 19th century but the 3.5mm was standardised only in the 1970s with the introduction of Sony Walkman. And 3.5mm SE becomes the staple connector to all multimedia devices including smartphones. With this so-called "courage" path of that company, a move initiated the removal of the beloved analogue jack of their phone started this movement and most companies follow this suit (Even one company making a mockery out of it but afterwards they follow suit as it was a "necessity" for the improvement of their product to be more competitive in the market). The removal of headphone jacks seems to be a blessing to some enterprising audio companies. These audio companies decided to offer a working solution on this issue of scarcity, a Hi-Fi DAC/amp in a USB pen drive form factor. I was already aware o...