Your package will be shipped within 3 working days.Product Details Product: Mission 771 Bookshelf Speakers Color: Rosewood Product Description: The Mission 771 speakers from 2002 are high-quality bookshelf speakers designed for an optimal sound experience. Featuring a rear-facing bass port and a bi-wireable function, they offer rich and deep sound quality. Cosmetic Description: This pair is in very good condition, with minimal signs of use carefully documented in the attached photos. Functional Notes: The speakers require a power range of 25 to 100 watts, with a sensitivity of 87dB and an impedance of 8 ohms. They are magnetically shielded and feature high-quality connections for 4mm banana plugs/binding posts. Specifications Power Requirement: 25 to 100 watts Sensitivity: 87dB Impedance: 8 ohms Dimensions: 310 x 172 x 229 mm / Weight: 3.8 Kg Frequency Response: 75 - 20,000 Hz Crossover Frequency: 3 kHz Bi-wireable: Yes Connections: 4mm banana sockets/binding posts Bass Port: Rear-facing Drivers: Treble - 25mm ferrofluid-cooled viscous-laminated fabric dome tweeter with neodymium magnet; Mid/bass - 130mm Aerogel diaphragm