Comtek AP-230 Auto-Prompter Kit The AP-230 Auto-Prompter Kit consists of an IR-230 universal-fit ear canal inductor receiver, one NTC-102 neck-loop transductor with two 32 in. cords, one 1/8 in. and one 3/32 in. plug. For use with miniature tape recorders for the PR-72b receiver. Includes P-1 belt-clip carrying pouch, carrying case not included see Part# C-111