Whenever any direct or indirect representation is made of the power output, power band or power frequency response, or distortion characteristics of sound power amplification equipment, the manufacturer's rated power output shall be disclosed subject to the following conditions:

(a) The rated power output is measured in compliance with the standard test conditions in § 432.3;

(b) The rated power output is disclosed clearly, conspicuously, and more prominently than any other representations or disclosures permitted under this part;

(c) The disclosure of the rated power output is clearly and conspicuously labeled “FTC Power Output Rating”; and

(d) The disclosures or representations required under this section shall not be made by a footnote, asterisk, or similar notation.