Stinger HRMA004 Complete Plug & Play Radio Replacement Kit for Mazda 3 Fit an aftermarket head unit in your Mazda 3 without losing steering wheel controls, Bose audio, A/C function, or any other factory feature. Product Overview The Stinger HRMA004 is a vehicle-specific radio replacement kit designed for the Mazda 3 BL series (2009–2013). Powered by PAC Audio RadioPRO4 technology, it arrives pre-loaded with amplifier retention software, steering wheel control mapping, and navigation-based output signals saving significant time and cost during installation. The kit connects your new aftermarket head unit to factory wiring via a plug-and-play ISO harness with zero cutting or splicing. It retains critical vehicle functions including A/C compressor operation, rear seat entertainment, and full OE LCD display functionality so your clock, trip data, and vehicle settings keep working exactly as they did with the factory radio. Features & Benefits Pre-programmed steering wheel control retention — works immediately on install Compatible with non-amplified, Bose digital, and premium audio systems Retains A/C compressor function OE LCD remains functional — clock, MPG, estimated miles to empty, and more User-programmable display text during normal operation User-programmable Bose digital, amplified gain, fader, and surround sound settings Navigation-based output signals pre-loaded Field updatable via PAC-UP Retains rear seat entertainment Provides 12V ACC, Illumination, VSS, Parking Brake, and Reverse outputs Includes antenna adaptor and mounting brackets Factory connector to standard ISO connector — true plug & play Black finish Technical Specs Specification Detail SKU / Part Number HRMA004 Brand Stinger Colour / Finish Black Plug & Play Yes — Factory Connector to Standard ISO Connector Steering Wheel Control Retention Yes (Pre-programmed) Compatible Audio Systems Non-Amplified, Bose Digital, Premium Audio A/C Compressor Retention Yes Rear Seat Entertainment Retention Yes AUX / USB Retention No Antenna Adaptor Included Yes Mounting Brackets Included Yes Field Updatable Yes — via PAC-UP Outputs Provided 12V ACC, Illumination, VSS, Parking Brake, Reverse What's in the Box 2DIN Radio Panel, Steering Wheel Audio Buttons Adaptor, Antenna Adaptor Compatible With / Goes Well With Direct Vehicle Fit: Mazda 3 2009–2013 (BL) Goes Well With: Aftermarket double DIN head units (Pioneer, Kenwood, Sony, JVC) PAC-UP field update cable (for firmware updates) Aftermarket reverse camera (if reverse camera functionality is required) Frequently Asked Questions Do I need to program the steering wheel controls after installation? No. The HRMA004 comes pre-programmed for Mazda 3 steering wheel controls and is ready to use straight out of the box. Will this kit work with my factory Bose sound system? Yes. The HRMA004 supports non-amplified, Bose digital, and premium audio system configurations, covering all standard Mazda 3 BL factory audio setups. Does the OE LCD screen still work after fitting an aftermarket radio? Yes. The HRMA004 allows the OE LCD to continue displaying vehicle information — including clock, MPG, and estimated range — without the factory radio connected. Is AUX or USB input retention included with this kit? No. The HRMA004 does not include AUX or USB retention. If you require this functionality, an additional retention module or aftermarket solution will be needed. Is this kit compatible with all Mazda 3 BL models including manual and automatic variants? The HRMA004 is specified for the Mazda 3 BL series (2009–2013). For confirmation of compatibility with your specific variant or trim level, contact the F.A.E. team before purchasing.
