单项选择题

MEMO
Date: December 5
To: Paula
From: Henry
Subject: Christmas Office Party
I just read a newspaper article on some high-quality, inexpensive speakers. I was wondering if we have enough money in the budget to buy a stereo set to play music for the upcoming Christmas party and other parties in the future. A company called Jazz Hipster makes great products, many of them using new technology that reduces wire hazards while providing great sound. Last year, Melinda tripped over a speaker wire, and many of our colleagues complained about the poor sound quality.
I think we can use money for this from the employees’ union budget and the company’s employees’ safety budget. I’m going to take a look at their showroom this weekend. I’ll follow up with you on Monday. In the meantime, why don’t you approach Martha about the possibility of purchasing a new sound system
According to the advertisement, what is the problem with traditional speakers