Check the listing for details. Replacement Speaker For Bose 4.5" 801, 802, 901 Full Range Speaker 1Ω. Condition: New. Listed at 44.99 USD. This is A Brand New Bose 801, 802, 901, Aftermarket 4.5" Full Range Speaker - 1 Ohm Specifications : Size: 4.5" SpeakerRated Power: 30wPeak Power: 60wImpedance: 1 ohmSensitivity: 92dBFrequency Response: 150hz-15khzVoice coil Diameter: 1 inch 25mmMagnet Size: 85*40*12 mmPlastic basketShipping Weight: 1.0 lbs FREE SHIPPING ONLY In the Lower 48 StatesMost Orders Placed Before 2PM and Paid thru' PayPal Are Shipped The Same Day; Monday to Friday PLEASE NOTE: ITEMS SHIPPED OUTSIDE OF THE CONTINENTAL U.S. (ALASKA, HAWAII, & PUERTO RICO) WILL BE SUBJECT TO AN ADDITIONAL SHIPPING SURCHARGE OF $20 FOR EACH ITEM. THE AMOUNT WILL BE INVOICED TO YOU VIA PAYPAL AFTER PURCHASE. IF YOU HAVE ANY OTHER QUESTIONS, PLEASE LET US KNOW. POR FAVOR TOME EN CUENTA: ARTÍCULOS ENVIADOS FUERA DE LOS ESTADOS UNIDOS CONTINENTALES (ALASKA, HAWAII Y PUERTO RICO) ESTARÁN SUJETOS A UN RECARGO DE ENVÍO ADICIONAL DE $ 20 POR CADA ARTÍCULO. LA CANTIDAD SE LE FACTURARÁ A TRAVÉS DE PAYPAL DESPUÉS DE LA COMPRA. SI TIENE ALGUNA OTRA PREGUNTA, POR FAVOR DEJANOS SABER.