By avoiding the headphone jack, the audio output uses an amplification circuit, resulting in higher quality audio
Apple has adopted a unified standard Dock interface for iPod, iPhone and iPad, which includes a set of wiring definitions for Lineout linear output. From the technical perspective, it is not difficult to implement Lineout through the Dock interface. Although the headphone outputs of iPhone, iPod Classic and iPad have already performed well, why use Lineout? This is because most companies that produce Lineout adapters or connectors believe that by bypassing the amplification circuit in headphone output, Lineout can provide better signal quality.
Suitable for connecting audio, bladder machine or vehicle AUX holes
Plug the audio cable into the 4.4S IPOD Classic ipad2 port to output audio to devices such as stereo, bladder or car