Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:12643 – Abū Yazīd al-Qarāṭīsī > Nuʿaym b. Ḥammād > ʿAbdah b. Sulaymān > Saʿīd Abū Saʿd al-Baqqāl > al-Ḍaḥḥāk b. Muzāḥim > Ibn ʿAbbās

[Machine] The Prophet ﷺ said, "Improve your voices when reciting the Quran."  

الطبراني:١٢٦٤٣ – حَدَّثَنَا أَبُو يَزِيدَ الْقَرَاطِيسِيُّ ثنا نُعَيْمُ بْنُ حَمَّادٍ ثنا عَبْدَةُ بْنُ سُلَيْمَانَ عَنْ سَعِيدٍ أَبِي سَعْدٍ الْبَقَّالِ عَنِ الضَّحَّاكِ بْنِ مُزَاحِمٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

قَالَ النَّبِيُّ ﷺ «أَحْسِنُوا الْأَصْوَاتَ بِالْقُرْآنِ»  

See similar narrations below:

Collected by Suyūṭī