This Package Fits The Following Vehicles: 
MAZDA
2010 - UP
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THIS 2 ITEM PACKAGE SHIPS WITH THE 
2017 - UP SELECT MAZDA AX-DSP-MAZ1 HARNESS +
METRA AX-DSP DIGITAL SIGNAL PROCESSOR
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AX-DSP-MAZ1 DIGITAL SIGNAL PROCESSOR HARNESS
GM Plug-n-Play T-harness for AX-DSP
GENERAL FEATURES:
THIS AXXESS T-HARNESS FOR SELECT FORD VEHICLES IS A BASIC AND SIMPLE PLU-N-PLAY HARNESS FOR EASY INSTALLATION OF THE AX-DSP
MUST BE USED WITH THE AX-DSP DIGITAL SIGNAL PROCESSOR (INCLUDED).
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METRA AX-DSP "HOT NEW ITEM"
Digital Signal Processor with Chime Control and Digital Amp Turn-On Capability
GENERAL FEATURES:
31 band graphic EQ
6 inputs and 6 outputs including front – rear and subwoofer
Selectable high and low level inputs
Front – rear and subwoofer outputs have an independent two-way crossover in-line with the EQ
Front and rear outputs can be delayed independently up to 10ms
Easy behind the radio installation
Can be used with OE and aftermarket radios
Chime control for vehicles with amp-generated chimes (When retaining OEM radio)
Retains Sonar sensors in vehicles where the tone is provided by the amplifier (When retaining OEM radio)
Clipping detection and limiting circuits
Retains OE voice prompts (SYNC and OnStar)
Settings adjusted via Bluetooth application compatible with both Android and Apple devices
Read – Write and Store your configuration for future recall.