The phrase "addresses two audiences" is correct and usable in written English.
You can use it when discussing a piece of writing, a speech, or any form of communication that is intended for more than one group of people.
Example: "The article addresses two audiences: professionals in the field and the general public, making the content accessible to both."
Alternatives: "targets two groups" or "caters to two audiences".
In this most public of trials, Ms. Clark addressed two audiences.
Every party leader has to address two audiences in such a speech: the one in the hall and the one in the country, and a good speech has to bridge the gap between the two.
When he takes the debate stage in Milwaukee Tuesday night, Marco Rubio will be addressing two audiences.
In the two weeks after Labor Day he took eight flights; met with executives at PepsiCo, General Mills and three financial services firms; and delivered keynote addresses to two audiences of 750-plus, including a health insurance trade group.
The work addresses and links two audiences: First, M&A scholars who often do not engage with the idea of socio-political processes but are open to the idea that there are important boundary conditions to the frameworks that are relevant when one does not do so.
Sturgeon has grasped that she must address two distinct audiences with every keynote speech.
In one of the clearest examples of this, an early recruiting letter distributed at Yale simultaneously addressed two separate audiences: "People of color, recall that perhaps the single greatest key to achieving full equality lies in achieving high levels of education.
The needs analysis underpinning the project suggests that palliative care peak bodies need to address three distinct audiences (clinicians, allied health professionals as well as patients and their caregivers).
And, although Ms. Tanowitz uses six dancers, she regularly gives us quartets, arranged to address the four corners of the stage, now the two audiences on either side.
