USB Radio Adapter for 2002-2008 Mazda MAZU3

Product Details

GROM USB3 interface for compatible factory radios. It connects through the supported CD-changer or external-audio port to add USB media playback while retaining factory radio and steering-wheel controls where available.

• USB flash-drive and mass-storage playback
• Supports common MP3, M4A, OGG, FLAC, AAC and WAV audio files
• Vehicle-specific radio connection
• Optional Bluetooth, 3.5 mm AUX and HD Radio accessories sold separately

Bluetooth hardware is not included unless explicitly shown as an included option. Legacy phone, app and operating-system references may not reflect current device support.

Fitment and Compatibility

• 2003-2008 Mazda3, excluding MP3 stereo
• 2005-2008 Mazda5
• 2003-2008 Mazda6; 2003-2005 radios may require modification
• 2002-2008 Mazda MX-5 Miata
• 2002-2008 Mazda MPV
• 2002-2003 Mazda Protege
• 2004-2008 Mazda RX-8 with supported firmware; versions 10.01 and 9.81 are not supported
• 2002-2006 Mazda Tribute
• 2006-2008 Mazda BT-50
• 2007-2008 Mazda CX-7 and CX-9 without navigation
• 2003-2008 Mazda B-Series without navigation

Factory radio model, firmware and navigation equipment determine compatibility.

Part Number Information

GROM application / SKU: MAZU3

This is an aftermarket interface identifier, not a Mazda OE part number.

Package Contents

• GROM USB3 adapter in metal enclosure
• Vehicle-specific wiring harness
• 3-foot automotive-grade USB extension cable
• Operation manual

Optional Bluetooth, AUX and HD Radio accessories are not included.

Installation Notes

Install at the factory radio's changer/external-audio connector. Some early Mazda6 radios may require professional modification. An external CD changer must be disconnected. Verify radio firmware and navigation configuration before ordering.