Up To 61% off KV331 Spring Sale – Up To 61% off Synthmaster is a 'must-have' for all synthesizer enthusiasts! Save up to 61% on the Synthmaster range in our Spring sale. Includes bundles & upgrades. Expires May 1, 2024 Buy Now All Sales KV331 Spring Sale – Up To 61% off Synthmaster is a ‘must-have’ for all synthesizer enthusiasts! Save up to 61% on the Synthmaster range in our Spring sale. Includes bundles & upgrades.