What's the noun for volumizer? Here's the word you're looking for.
volume
A unit of three-dimensional measure of space that comprises a length, a width and a height. It is measured in units of cubic centimeters in metric, cubic inches or cubic feet in English measurement.
(economics) The total supply of money in circulation or, less frequently, total amount of credit extended, within a specified national market or worldwide.
“Due to the loud volume of the music and dance performances in the parks, complaints were raised to the government by local residents.”
“At a particular pressure, the same weight of a substance occupies a larger volume as a gas than as a liquid or solid.”
“The business has also been successful in increasing both the value and volume of orders per customer through better customer relationship management.”