OEM amplifier for 2009?2014 Nissan Maxima models equipped with the factory Bose Premium Audio system. This amplifier, part number 28061-9N10A, was removed from a working vehicle and has been tested to ensure functionality. It is in good used condition with no damage to the housing or electrical connectors. Some signs of normal wear from use are present, as shown in the photos. This part is compatible only with Maxima trims that came with the factory Bose system and will not fit base S models or SV models without the Bose option. Please confirm fitment based on part number and your vehicle?s audio package before purchase. No additional hardware or accessories are included unless pictured. Professional installation is recommended. Returns are accepted within 30 days only if the item is returned in the same condition with all original hardware and accessories included. A discreet UV marking or tamper-proof sticker will be applied before shipment to verify authenticity and prevent fraudulent returns.