Skt. Avalokite/svara-ekada/samukha-dha^ran!i^; Tib. （'phags pa） spyang ras gzigs dbang phyug shal bcu gcig pa shes bya ba'i gzungs （To.693/899， P.373/524）; （Dha^ran!i^ of the Eleven-Faced Contemplator of the World's Sounds）. Spoken by the Eleven-Faced One， Ekada/samukha， from his residence on S/ravasti; whoever upholds the dha^ran!i^ may gain the ten boons 利益 and four merits 功德. Source text for a man!d!ala centred Ekada/samukha （Ngor.13）. Four Chinese translations are extant:
（1） 1 fasc. （T 1070.20.149-152）， Incantation of the Eleven-Faced Contemplator of the World's Sounds 十一面观世音神咒经， tr. Ya/sogupta 耶舍崛多.
（2） 1 fasc. （T 1071.20.152-155） Essential Incantation of the Eleven-Faced One 十一面神咒心经 tr. 玄奘. Chinese commentary: Commentary on the Meanings 十一面神咒心经义疏 （T 1802） by Huizhao 慧沼.
（3） in the 4th fasc. of the Dha^ran!i^ Collection 陀罗尼集经 （T 901） （佛说作数珠法相品）.
（4） 3 fasc. （T 1069.20.139-152） Ritual Procedure of Recitation based on Spontaneous Contemplation， the Eleven-Faced Bodhisattva 十一面观自在菩萨念诵仪轨经 abbr. 十一面观音轨经， tr. Amoghavajra 不空.
BGBT4/128-9.