"echoing out" is a correct and usable phrase in written English.
You can use it when something (such as a sound or a concept) is being repeated or heard in multiple places. For example: "The sound of laughter echoed out across the park."
Writing in The Los Angeles Times, Susan Salter Reynolds described "Lobster" as "a Zen koan of a book — Manny's life in all its integrity echoing out across a wintry mall in a Rust Belt American town".
By the time the evening call to prayer could bear heard echoing out from the mosques of Mombasa, Festus Mwanzia was number 27 in the queue.
The dialogue echoing out of the TV sounds more relaxed than what is being said by the characters.
Alongside folky pop such as "El Camino" come western-hued outings such as "Hello Again", with its Tex-Mex brass and shimmering guitars, and the still, echoing "Out of the Cold".
Judging by the tangible momentum of "Mi Gente," by J Balvin and Beyoncé — it can be heard echoing out of stereos around the city, and has been chattered about consistently online — as well as its huge jump, from No. 21 to No. 3, last week, that song seemed a sure successor to "Bodak Yellow" atop the Billboard Hot 100 chart.
From start to finish the Yeah Yeah Yeahs were dazzling – one minute O was shoving the microphone in her mouth and roaring through Pin, the next her vocals were getting the dub treatment (new song Under The Earth) and echoing out of the site and across the Joshua Tree desert.
He had a deep, resonant voice, and from the loudspeakers it echoed out over the neighborhood.
The roars of Ka Mate echo out over the rolling East River.
Outside Bari's cathedral, crowds of worshippers chattered excitedly with one another as Eartha Kitt's "Santa Baby" echoed out across the piazza.
The sound echoes out over the water and comes back again, thrilling with the chatter of birds and the soughing of the breeze in the branches overhead.
A 30 second burst of small arms fire was followed by two loud explosions which echoed out over the town as dusk fell.
