How to say “Could you call out the next number a little louder?” in Japanese

In Japanese

次(つぎ)の番号(ばんごう)、もう少(すこ)し大(おお)きな声(こえ)で読(よ)み上(あ)げてもらえますか？

Tsugi no bangō, mō sukoshi ōkina koe de yomiagete moraemasu ka?