The phrase "a powerful press" is correct and usable in written English.
It can be used to refer to a press that has significant influence or impact, often in the context of media or journalism.
Example: "In today's society, a powerful press is essential for holding those in power accountable."
Alternatives: "an influential media" or "a strong press".
A powerful press baron senses opportunity and makes an unsolicited takeover bid.
Gibbs, who joined Obama's staff midway through the 2004 Senate campaign, is a powerful press secretary, in the sense that he has the President's ear.
If Anglo-Saxon epithets were armaments, Britannia would rule the waves, thanks to the uncivil tongue of Malcolm Tucker, a powerful press officer.
He pointed out that as a powerful press baron and owner of the leading daily, Avaz, Mr Radoncic could use his media clout to settle scores if he wanted to.
There's an eruptive studio boss (Stanley Tucci), a powerful press agent who plays Cupid and has a heart of gold (Billy Crystal), and the sweethearts of the title, a married couple (John Cusack and Catherine Zeta-Jones) who have starred in picture after picture together and have millions of fans.
They would have to be passed through a powerful press first, to squeeze their old notions out of them, so that they would not soon get upon their legs again; and then there would be some one in the company with a maggot in his head, hatched from an egg deposited there nobody knows when, for not even fire kills these things, and you would have lost your labor.
After the initial production, Rittenhouse ordered all dollar coin production to end until Mint personnel could build a more powerful press that would be capable of better striking the coins.
"When Hugh Grant and other people talk about a small group of newspapers and powerful press barons that is not the case.
A shellshocked newspaper industry was struggling to come to terms with a sudden all-party agreement to create a powerful new press regulator designed to prevent a repeat of the phone-hacking scandal.
France is different from the U.K. and the U.S. in that it lacks a powerful tabloid press; elections, almost quaintly, continue to be contested on differences of ideology rather than fact.
What it needs is a nasty, tabloid-style divorce — in this case, to keep powerful press barons and politicians from sharing the same beds.
