Are you using the right string?
Are you getting a good combination of power and control? Are your strings causing discomfort in your arm?
Picking the right string is a matter of finding a balance that works for you from several factors.
Power vs control
Comfort vs durability
Less shock vs tight feel
Weighing these factors and knowing what you want/need will help you find a combination that will help you play better. Once you know what the best string is, you can further customize through tension.
We have a vast selection of strings. Stop by and let us know what is most important in the above questions and we can help you pick a string and tension that best fits your needs.