How to pronounce “voicebox” in English

"What do you want?" "Everything is different now!" "I don't want any." "If I could just have a moment of your time?" It takes a lotof skill to make a stentorian voicebox emit a credible wheedle, but the bell ringer at the door has clearly practiced it to a fine art.Huw turns the faucet back up and puts her fingers into the cold stream.