You will need at least a small PA. The Logitech Z2200 system should be more than sufficient.

If you are a singer and player as well, depending on where you live, the rates vary from $100 to $150 for a weekly, 4-hour job. Some more experienced performers may get up to $200, but for the restaurant/club biz that's usually the high end anywhere in the U.S..

Good Luck,

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)