Shaikh Muqbil Ibn Hadi al-Wadi’ee rahimahullah:

Question: What is the ruling on the reciting Takbir in unison on ‘eid?

Answer: “This has not been reported from the Prophet sallahu alayhi wa salam. So we do not advise this and if anyone did this we advise them not to do it. And we cannot rule that this person is an innovator and in Allah aid is sought.”

Question: What is the ruling on sending peace and blessings upon the Prophet and his wives between the Takbirat of eid?

Answer: “I do not know anything reported on this from the Prophet sallahu alayhi wa salam”

[http://www.muqbel.net/fatwa.php?fatwa_id=2650]

Shaikh Ibn ul-‘Uthaymeen rahimahullah was asked:

Question: It is found in some Masaajid in the city on the day of eid before the prayer that the Imam makes Takbir through the microphone and the congregants make takbir with him. So what…