G/TBT/N/USA/1679/Add.1  
 
2 August 2022  
(22-5782) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
 
NOTIFICATION  
Addendum  
The following communication , dated  2 August 2022, is being circulated at the request of the 
delegation of the United States of America . 
 
_______________  
 
 
Title:  Trade Regulation Rule Relating to Power Output Claims for Amplifiers Utilized in Home 
Entertainment Products  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[ ] Notified measure published - date:  
[ ] Notified measure enters into force - date:  
[ ] Text of final measure available from1:  
[ ] Notified measure withdrawn or revoked - date:  
Relevant symbol if measure re -notified:   
[X] Content or scope of notified measure changed  and text available from1:  
Written comments must be received on or before 26 September 2022. Parties interested 
in an opportunity to present views orally  
should submit a request to do so as explained below, and such requests must be received 
on or before 26 September 2022.  
https://www.govinfo.gov/content/pkg/FR -2022-07-27/html/2022 -16071.htm  
https://www.govinfo.gov/content/pkg/FR -2022-07-27/pdf/2022 -16071.pdf  
https://members.wto.org/crnattachments/202 2/TBT/USA/modification/22_5097_00_e.
pdf 
New deadline for comments (if applicable):  26 September 2022  
[ ] Interpretive guidance issued and text available from1:  
[ ] Other:  
 
Description:  TITLE: Trade Regulation Rule Relating to Power Output Claims for Amplifiers Utilized 
in Home Entertainment Products  
AGENCY: Federal Trade Commission  
ACTION: Notice of proposed rulemaking  
 
1 This information can be provided by including a website address, a pdf attachment, or other 
information on where the text of the final /modified  measure and/or interpretive guidance can be obtained.  G/TBT/N/USA/1679/Add.1  
 
- 2 - 
 
  SUMMARY: The Federal Trade Commission ("FTC" or "Commission") seeks public comment on 
proposed amendments to the Trade Regulation Rule Relating to Power Output Claims for Amplifiers 
Utilized in Home Entertainment Produ cts ("Amplifier Rule" or "Rule"). The proposal requires sellers 
making power -related claims to calculate power output using uniform testing methods to allow 
consumers to easily compare amplifier sound quality. Additionally, the Commission seeks comment 
on the normal usage of multichannel home theater amplifiers.  
DATES: Written comments must be received on or before 26 September 2022. Parties interested in 
an opportunity to present views orally should submit a request to do so as explained below, and 
such re quests must be received on or before 26 September 2022.  
This notice of proposed rulemaking is identified by Docket Number FTC -2022-0048. The Docket 
Folder is available from Regulations.gov at https://www.regulations.gov/docket/FTC -2022-
0048/document  and provides access to primary documents as well as comments received. 
Documents are also accessible from Regulations.gov  by searching the Docke t Number. WTO 
Members and their stakeholders are asked to submit comments to the USA TBT Enquiry Point  by or 
before 4pm Eastern Time  on 26 September 2022. Comments received by the USA TBT Enquiry Point 
from WTO Members and thei r stakeholders will be shared with the regulator and will also be 
submitted to the Docket  on Regulations.gov if received within the comment period.  
The advance notice of proposed rul emaking; request for public comment notified as 
G/TBT/N/USA/1679  is identified by Docket Number FTC -2020-0087. The Docket Folder is available 
from Regulations.gov at https://www.regulations.gov/docket/FTC -2020-0087/document  and 
provides access to primary documents as well as comments received. Documents are also accessible 
from Regulations.gov  by searching the Docket Number.  
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