Bose Audi Amplifier 294009 Quattroholics Sale! from 6900 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. 1998-2005 Various models A6/A4/A8/Allroad/S6/RS6 OEM Bose Amplifier working condition Bose # 294009 SKU:BOSE294009 Tweet