King KA-11 Isolation Amplifier With Connector from $47.82 Qty. 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. Condition: UsedCondition Description: As removed Manufacturer Part Number: KA-11 Qty available: 1 Tweet