This page is for our existing customers to access information.

If you have an Invoice to pay, by entering your invoice number in the form below, you can then view all the payment options and Postal details.

To pay an Invoice by BACS please fill in the form below to view the details required. Invoice number is shown at the top left of the invoice and is 2 numbers followed by 2 numbers followed by 4 numbers.

*Invoice Number:

*Church name:

Your name:

Social media links.

Keystone Sound Systems Facebook Keystone Sound Systems Hymnal Forum Keystone Sound Youtube channel

Contact Us by;

Phone on 01205 481409 (24hr)

Email on

Or write to the address below

Keystone Sound Systems Ltd, The Farmhouse, Bass farm, Black Drove, East Keal Fen, SPILSBY, Lincolnshire, PE23 4AB