Two pianos facing each other in a small room produce a sound level that surprises people who only know dueling piano rooms from photographs. Add a couple of hundred people singing along at full volume, a drummer who needs no amplification whatsoever, and a night that runs six hours with two breaks in it. The bartenders stand inside that wall of sound from the moment the doors open until the last tab closes. The performers get to walk offstage. The bar does not.
Foam plugs are the obvious first attempt, and they fail for an obvious reason. A bartender who cannot hear a drink order is no use to anybody, and foam takes the whole spectrum out at once. What a bar actually needs is the filtered kind that pulls the volume down while leaving speech intelligible, and a lot of them, because anything small and disposable walks out of a bar inside a week. That turns a comfort question into a purchasing question, which is a different department entirely.
Filtered plugs and over the ear muffs are not a bar supply item, so the usual bar vendors do not carry them, and a local search turns up sporting goods listings instead. Summerlin Armory, which sells bulk ammunition out of Suite 235 on West Russell Road, also stocks accessories, and its own site answers the accessory question by naming ear protection, grips and holsters as the items that improve control and experience. That is a deliberately unexciting list. Those are the items people come back for a second and third time, which is a thing every bar manager understands about napkins and limes.
The bulk part is the interesting lesson. A bar learns the same lesson from the opposite direction: well liquor gets bought by the case because it moves every night, and the odd bottle of something obscure gets bought one at a time because it will sit on the back bar for a year gathering dust and comments. Buying in quantity only pays when you know your own consumption, and most operators guess wrong in both directions at once. A business built around volume purchasing is betting that its customers already know their own numbers, which for a bar means counting how many pairs vanish in a month.
There is a second thing about a shop like that which anyone who works nights recognizes immediately. It opens at ten in the morning, closes at five in the afternoon, six days a week, and is dark on Sunday. That window is unkind to night workers. A bartender who finishes at three in the morning is not standing anywhere at ten, and Sunday is often the one day bar staff have genuinely free. It is worth keeping a note of which suppliers shut early and which are open at the weekend, because the errand window for a night worker is about ninety minutes on a Tuesday afternoon and nothing else.
A room that sells volume for a living should probably think harder about the ears of the people standing in front of the speakers for thirty hours a week. The pianos are not getting quieter. If you are at the rail on a Friday and your bartender hears your order perfectly while two hundred people bellow the chorus behind you, there may well be a small piece of hardware doing its job.