Product formPrism Circuits Prism Circuits - TKB Touch-Activated Keyboard Sequencer [4U Serge] The Prism Circuits TKB (Touch-Activated Keyboard Sequencer) is a 16-stage, four-row control voltage and pulse generator built around capacitive touch sensing. Each... Read more Read more $2,499.00 Paperface [White] Black & Gold Paperface [White] Black & Gold Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Share with your friends Share WhatsApp Deel Tweet Pin it Messenger Email