Mission 751 - Matching Pair - Speaker Set The Mission 751 is a well-regarded bookshelf speaker known for its clarity and balanced sound. It features a 2-way reflex design with a frequency response of 70Hz to 20kHz, a sensitivity of 89dB, and a nominal impedance of 6 ohms. The recommended amplifier power ranges from 25 to 75 watts. To deliver this product properly, it is carefully packed in very strong boxes, thereby wrapped in bubble wrap with lots of padding. We mainly use plastic to fill up the package, if wished differently please contact us. The package is shipped insured to protect both the buyer and seller. For further packing wishes please message after purchase. Photos serve as additional description of product condition / condition of display & LEDs. Please review them carefully before purchase. Orders to islands, or special destinations have a higher shipping cost, for example; Canary Islands