Sunan Abi Dawud 1333
سنن أبي داود#1333SahihNarrated Uqbah ibn Amir al-Juhani: The Prophet (ﷺ) said: One who recites the Qur'an in a loud voice is like one who gives alms openly; and one who recites the Qur'an quietly is one who gives alms secretly
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautHasan
Zubair Ali ZaiHasan
In-book reference: 5:84