* There will be a 3.99 % fee for all credit card transactions. Please understand that this fee is charged by the credit card companies for processing, not Sound Explosion, and the fee goes directly to them. If you prefer to avoid the credit card transaction fee, please feel free to make payments by check made to Sound Explosion,  As there is NO fee. We also accept Zelle, Venmo, and direct wire as other forms of payment. Information for all forms of payment can be found on your Client Info Page.  Thank you for your business.