You can find high-quality recitations of Sayyidul Istighfar on several reputable platforms:
“Allahumma anta Rabbi la ilaha illa anta, khalaqtani wa ana abduka, wa ana ala ahdika wa wa’dika mas-tata’tu, a’udhu bika min sharri ma sana’tu, abu’u laka bini’matika ‘alayya, wa abu’u laka bidhanbi faghfir li, fa innahu la yaghfiru adh-dhunuba illa anta.” sayyidul istighfar download mp3