and b. You seem to be proud of them but it looks like you wasted a lot of your original budget on cables. It’s too late now, but that money would have been hilariously better spent towards even better speakers.
You’re in an interesting position, where your speakers are way better than you probably realize yet it might be your most logical upgrade because of your amp.
You should tell us more about your listening habits, what you don’t like about the sound you’re getting now, what you’re looking for, etc