What does Gatsby mean when he says that Daisy's voice is full of money? Does he mean it negatively?

The protagonist of of The Great Gatsby is Jay Gatsby, a wealthy man who is quite taken with Daisy, a debutante originally from a very wealthy family in Kentucky. We also learn that Jay is a former love of Daisy’s.
Describing Daisy’s voice as full of money does a couple of things. First, Jay views Daisy, like money, as an object he is obsessed with possessing. He has spent his life amassing a wealth he thinks would win her over. Secondly, Daisy is a lady of leisure who has never worked a day in her life or known any real hardship, such as hunger or homelessness. She is petty, privileged, spoiled, and gossipy.
I don’t think he necessarily means it negatively. One could argue that he knows she is shallow and materialistic, as is he. Here, he seems to be making an observation. If anything, it could speak to his attraction to her more. Gatsby is obsessed with two things: acquiring the kind of status and wealth that might win Daisy back, and Daisy herself.