Axxess AXSUB-FD1 is a vehicle-specific Add-A-Sub data interface designed to add aftermarket subwoofer signal to compatible factory-radio systems. The patented AXSUB interface processes low-frequency signal that may be limited by the factory radio, helping an added subwoofer amplifier perform properly while the factory source unit remains in place. At a Glance Plug-and-play Add-A-Sub data interface for adding an aftermarket subwoofer while retaining the factory radio Designed for amplified and non-amplified systems 2-channel non-fading 5V RMS output Fixed low-pass frequency of 234Hz 250mA remote turn-on output Bass knob included for subwoofer level control Vehicle-specific harness included Installation done at the radio location Micro-B USB updatable Exact Vehicle CompatibilityFind your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering. Make Model Years Factory Equipment / Qualifier Ford Edge 2007-2010 Factory amplifier location: Passenger Side Rear, Above Wheel Well. Ford Escape 2008-2012 Factory amplifier location: Below Passenger's Seat. Ford Expedition 2007-2014 Non-Sony; Factory amplifier location: Center Console. Ford F-150 2006-2012 Factory amplifier location: Driver Side Rear Floor, Behind Rear Seat. Ford Flex 2009-2012 Factory amplifier location: Passenger Side of Trunk Above Rear Wheel-Well. Ford Focus 2008-2011 Factory amplifier location: Driver's Side of Trunk. Ford Fusion 2006-2012 Factory amplifier location: Passenger Side of Trunk Above Rear Wheel-Well. Ford Mustang 2006-2014 Factory amplifier location: Luggage Compartment. Ford Taurus 2008-2011 Factory amplifier location: Luggage Compartment. Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.Installation Notes Installs at the radio location using the vehicle-specific harness Designed to provide subwoofer amplifier signal and remote turn-on output without replacing the factory radio Bass knob provides convenient subwoofer level control Professional installation is recommended for amplifier integration, gain setup, and subwoofer tuning Check the latest Metra / Axxess instructions before installation What’s in the Box Axxess AXSUB-FD1 Add-A-Sub interface Vehicle T-harness Bass knob Technical Specifications Brand: Axxess Model: AXSUB-FD1 Product Type: Vehicle-specific Add-A-Sub data interface Application: select Ford 2006-2014 vehicles Vehicle System: amplified and non-amplified systems Audio Output: 2-channel non-fading 5V RMS output Low-Pass Frequency: Fixed 234Hz Remote Output: 250mA remote turn-on output Update Port: Micro-B USB Sold As: Each Identifiers & Packaging MPN: AXSUB-FD1 UPC: 086429435210 Sold As: Each Included Components: Axxess AXSUB-FD1 Add-A-Sub interface, Vehicle T-harness, Bass knob Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in vehicle audio integration, radio replacement parts, and installation accessories 22+ years of professional automotive electronics experience Expert support for compatibility verification and proper setup