PAC RadioPRO4 RP4-MZ11 Radio Replacement Interface for Select Mazda Vehicles

The PAC RadioPRO4 RP4-MZ11 Radio Replacement Interface for Select Mazda Vehicles is a vehicle-specific interface for installing an aftermarket radio while retaining the supported factory features listed by PAC. It combines the required data-bus connections with application-dependent steering-wheel-control, amplifier, chime, camera, accessory-power, and navigation-output functions.

At a Glance

• Vehicle-specific radio-replacement interface for the exact applications listed below
• Connects an aftermarket radio while retaining supported factory convenience and audio features
• Provides application-dependent accessory power and navigation outputs
• Factory features, required accessories, and limitations vary by vehicle and radio configuration
• Retains steering wheel controls (pre-programmed)
• Works with non-amplified, Bose digital and premium audio systems
• Provides requisite data commands to retains A/C compressor function in 2010+ Mazda CX-9
• In the vehicle’s settings menu, using the OE LCD and SWC
• Allows the clock to be set without having to plug in the OE radio
• Information on the OE LCD can be changed to MPG, estimated miles to empty, etc. without having to connect the OE radio
• User-programmable text to be displayed during normal operation
• User-programmable Bose Digital
• Amplified settings - Gain, Fader, and Surround sound settings
• Field updatable using the PAC-UP

Exact Vehicle Compatibility

Find your vehicle below and match the model year, trim, factory radio, amplifier, screen, and equipment details shown in the same row. If your vehicle or factory configuration is not listed, contact MCOR before ordering.

Compatibility & What You Need

• Required interface: PAC RP4-MZ11. This part number must match the application exactly.
• Aftermarket radio: Sold separately. Confirm that it has the inputs and outputs required for every factory feature you want to retain.
• Application accessories: Camera, USB, satellite-radio, rear-seat-entertainment, antenna, steering-wheel-control, or firmware accessories may be required where stated in the table or current PAC guide.
• Programming: Use the current PAC firmware and follow the current product instructions before final testing.
• Professional installation is strongly recommended for data-bus radio replacement.

Important Application Notes

• 2014-up Mazda3 models with the 7-inch touchscreen are not compatible.
• 2013-up Mazda CX-9 models with Bose audio require interface revision 1.2.3.2 or newer.

Technical Specifications

Manufacturer Resources

• RP4 - MZ11 Instruction Manual
• Download (718.04k)

What's Included

• One genuine PAC RP4-MZ11 interface package
• Manufacturer-supplied harnesses, modules, and connection leads shown for this exact part number

Sold separately: aftermarket radio, dash kit, antenna adapter, camera/USB/retention accessories, and installation materials unless expressly shown and identified as included.

Fitment disclaimer: Compatibility is not determined by year and model alone. Verify the exact factory radio, screen, amplifier, audio package, connector, vehicle options, firmware, and every required accessory before ordering. Product photos show the listed PAC package; surrounding installation equipment is not included. Contact MCOR Automotive through the chat button for application help.

Why Buy From MCOR Automotive

• Authorized PAC retailer with manufacturer-backed warranty support
• Vehicle-specific compatibility help before purchase
• Professional car-audio integration and installation support