How to adjust the speakertoneWhen adjusting, it should be noted that the gap between the iron core and the armature must be uniform, flat, and not skewed, otherwise it is easy to collide with each other during work, which will make the speaker produce harsh noi
Back in the 1990s, China had just opened its doors to worldwide trade and we did a huge amount of OEM and ODM business… labour was, after all, cheap and plentiful. Since then, however, as Chinese living standards have improved so too have labour costs. In order to forge a new, more sustainable busi