Product form Error Instruments - Harmonic Springs Manufacturer Description: Harmonic SpringsIt’s a small box with springsIt has a built-in amplifierIncluded a distortion in the middle is a... Read more Read more $210.00Excl. VAT Out of stock 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