Check the listing for details. 86280-0W490 Lexus Mark Levinson amplifier 2006 2007 2008 2009 GX470 REFURBISHED. Color: Silver, Condition: Seller refurbished. Listed at 499.99 USD. 86280-0W490 Lexus Mark Levinson amplifier 2006 2007 2008 2009 GX470 REFURBISHED. Fully refurbished. Be sure that all of your speakers measure 6 Ohms or more. A low impedance speaker will cause your amp to fail. If you are experiencing audio cutting in and out, similar to a CD skipping, then the issue is your rear-seat entertainment unit. You can unplug this unit to regain functionality of your audio system and do not need to purchase an amplifier. No dealer programming is required. This unit will be plug and play for your vehicle. The listing comes with the opportunity of returning your defective core amplifier for a $150 refund. Core refund process: We provide a return shipping label in the box with the unit that you have purchased.You return your old/defective core in the same packaging using the enclosed return shipping label.We process a refund to your transaction method within 3 business days of receipt and you'll be notified via eBay that a refund has been processed.Most units qualify for the full refund amount, though major liquid and physical damage can lower the refund amount. Please reach out with any questions. We’re more than happy to assist with questions related to the issues that you are experiencing with your audio system.