Lingjie Pro Audio posachedwapa yakhazikitsa makina okulitsa mphamvu ya E-series, yomwe ndi njira yotsika mtengo kwambiri yolowera pamapulogalamu ang'onoang'ono ndi apakatikati, okhala ndi zosinthira zapamwamba kwambiri za toroidal.ndizosavuta kuzigwiritsa ntchito, zokhazikika pakugwira ntchito, zotsika mtengo kwambiri, komanso zimagwiritsidwa ntchito kwambiri, Zili ndi mawonekedwe amphamvu kwambiri amphamvu omwe amapereka kuyankha pafupipafupi kwa omvera.E series amplifier idapangidwira makamaka zipinda za karaoke, zolimbitsa mawu, kasewero kakang'ono ndi apakatikati, zophunzirira m'chipinda chamisonkhano ndi zochitika zina.