Hazrat Anas (ra) relates that the Holy Prophet (sa) said the sole voice of Abu Talha (ra) was louder and heard above all others in his battalion. The traditions also cite “100 soldiers” and “1,000 soldiers” rather than a battalion – in other words, Hazrat Abu Talha (ra) had a very powerful voice.
(Musnad Ahmad bin Hanbal, Vol. 4, p. 286, Musnad Anas bin Malik, Hadith 12119, Alamul Kutub, Beirut, 1998) (al-Isti‘ab, Vol. 4, p. 261, Dar-ul-Kutub al-Ilimiyyah, Beirut, 1992) (al-Tabaqaat-ul-Kubra li ibn Sa‘d, Vol. 3, p. 383, Dar-ul-Kutub al-Ilmiyyah, Beirut, 1990)