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AXDSPL-HN3

I N S T A L L A T I O N   I N S T R U C T I O N S

AxxessInterfaces.com 

© COPYRIGHT 2020 METRA ELECTRONICS CORPORATION 

REV. 3/2/20 INSTAXDSPL-HN3

Google Play Store

Apple App Store

iOS 12.1 or higher

INTERFACE FEATURES

INTERFACE COMPONENTS

TOOLS & INSTALLATION ACCESSORIES REQUIRED

• Crimping tool and connectors, or solder gun, 
  solder, and heat shrink • Tape • Wire cutter
• Zip ties • Multimeter

TABLE OF CONTENTS

Connections ............................................................2
Installation .............................................................3
AXDSPL-BT Installation...........................................4
AXDSPL-SP Installation...........................................5
Mobile App ........................................................6-14
Specifications ........................................................15

Honda

 DSP Interface With Amp Bypass Harness 

2016-Up

•  Includes a DSP (Digital Signal Processor)
•  15 Band graphic EQ
•  6 outputs including front, rear, and subwoofer
•  Independent equalization for front, rear, and sub
•  Selectable low pass, band pass, and high pass filters
•  Selectable crossover slopes; 12db, 24db, 36db, 48db
•  Each channel can be delayed independently up to 10ms
•  Clipping detection and limiting circuits
•  Designed for amplified models
•  Includes an amp bypass harness
•  Internal header port for adding interface modules
•  Retains level control of subwoofer through the factory radio
•  Settings adjusted via Bluetooth

®

 in a smart device application (tablet 

or mobile phone), compatible with both Android and Apple devices

•  Read, write, and store configurations for future recall
•  Password protect feature available in the mobile app
•  Micro-B USB updatable

• AXDSPL-HN3 interface
• AXDSPL-HN3 interface harness
• AXDSPL-HN3 amp bypass harness

APPLICATIONS

Visit axxessinterfaces.com for current application list

Summary of Contents for AXDSPL-HN3

Page 1: ...nt rear and subwoofer Independent equalization for front rear and sub Selectable low pass band pass and high pass filters Selectable crossover slopes 12db 24db 36db 48db Each channel can be delayed independently up to 10ms Clipping detection and limiting circuits Designed for amplified models Includes an amp bypass harness Internal header port for adding interface modules Retains level control of ...

Page 2: ...oofer Purple Rear Right Woofer Purple Black Rear Right Woofer Brown White Center Blue Pink Center Green White Subwoofer White Red Subwoofer TBA An SPDT relay Metra part number E 123 is required if the amp turn on current of all amps exceeds 1 amp Yellow Blue Front Left Tweeter Yellow Black Front Left Tweeter Yellow Red Front Right Tweeter Yellow Orange Front Right Tweeter Green Orange Rear LeftTwe...

Page 3: ...o the Configuration tab then select the vehicle type Press the Lock Down button to save the configuration Refer to page 8 for more information Figure B 9 Connect the amp turn on wire 10 Click the Identify button to confirm the interface is connected properly A chime will be heard from the front left speaker Test all functions of the installation for proper operation Note The outputs may need to be...

Page 4: ...llips screws securing the interface then remove the top cover exposing the circuit board within 3 Locate the 16 pin header on the circuit board 4 Important Referencing how the AXDSPL BT is laid out in the picture carefully line up the header pins to the interface Gently press down to secure Note Both interfaces may be damaged if installed wrong 5 Reinstall the top cover to complete the installatio...

Page 5: ...erface from the vehicle 2 Remove 4 Phillips screws securing the interface then remove the top cover exposing the circuit board within 3 Locate the 16 pin header on the circuit board 4 Important Carefully line up the header pins to the AXDSPL SP with the Toslink port facing outward Gently press down to secure Note Both interfaces may be damaged if installed wrong 5 Reinstall the top cover provided ...

Page 6: ...6 MOBILE APP Setup Instructions General information tab for installing the interface Continued on the next page ...

Page 7: ...tton to start the Bluetooth pairing process then select the interface once it is found Connected will appear in the top left corner of the app once paired Note The ignition must be cycled on during this process Disconnect Disconnects the interface from the app Continued on the next page ...

Page 8: ...before closing the app or cycling the ignition off otherwise all new changes will be lost Save Configuration Saves the current configuration to the mobile device Recall Configuration Recalls a configuration from the mobile device About Displays information about the app vehicle interface and mobile device Set Password Assign a 4 digit password to lock the interface If no password is desired use 00...

Page 9: ...roup Used to join channels together for simple equalization Example left front woofer midrange and left front tweeter will be considered simply left front The letter M indicates the speaker assigned as the master speaker Invert Will invert the phase of the speaker Mute Will mute desired channel s for tuning individual channels ...

Page 10: ...r 48db Select the desired crossover frequency per channel 20hz to 20khz Note The front and rear channels default to a 100Hz high pass filter to keep the low frequency signals out If a subwoofer is not being installed change the front and rear crossover points down to 20Hz for a full range signal or to the lowest frequency the speakers will play down to Continued on the next page ...

Page 11: ...zer Adjust All channels can be adjusted independently within this tab with 15 bands of available equalization It is best to tune this by using an RTA Real Time Analyzer The Gain slider on the far left is for the channel selected Continued on the next page ...

Page 12: ... of each channel If a delay is desired first measure the distance in inches from each speaker to the listening position then enter those values to the corresponding speaker Add in inches to the desired speaker to delay it Continued on the next page ...

Page 13: ... be reduced by 20dB Turning down the stereo will allow the audio to come back at a normal level The sensitivity of this feature can be adjusted to the listening preference of the user Amp Turn On SignalSense Willturntheamp s onwhenanaudiosignalisdetected andkeeponfor 10secondsafterthelastsignal Thisensurestheamp s won tshutoffbetweentracks Always On Will keep the amp s on as long as the ignition i...

Page 14: ...14 Locking Down Data Last and the most important You must lock down your configuration and cycle the key MOBILE APP CONT ...

Page 15: ... 5 volts RMS Output Impedance 50 Ohms Equalizer Type 15 Band Graphic EQ 10dB THD 0 03 Frequency Response 20Hz 20kHz Crossover Filter Low pass band pass high pass Crossover Frequency Selectable 20hz to 20khz Crossover Slope 12db 24db 36db 48db Crossover Type Linkwitz Riley Sampling 48kHz S N Ratio 105dB 5 volts RMS Operating Voltage 10 16 volts DC Standby Current Draw 7mA Operation Current Draw 150...

Page 16: ... better tomorrow Metra recommends MECP certified technicians AxxessInterfaces com COPYRIGHT 2020 METRA ELECTRONICS CORPORATION REV 3 2 20 INSTAXDSPL HN3 I N S TA L L AT I O N I N S T R U C T I O N S AXDSPL HN3 Having difficulties We re here to help Contact our Tech Support line at 386 257 1187 Or via email at techsupport metra autosound com Tech Support Hours Eastern Standard Time Monday Friday 9 ...

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