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Stinger Knowledge Base

Audio Control

Audio Control

Software/Firmware Downloads

Problems Connecting to DM Smart DSP Application

DM Smart DSP and DM-RTA Downloads

DM RTA: How to update the firmware

How to update firmware: DM series processors and D series amplifiers

Legacy DM Smart DSP versions

Windows – How to manually reload firmware for the DM-series processors or DSP amplifiers

Mac – How to manually reload firmware for DM series processors and DSP amplifiers.

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DM Processor & D-Series Amplifier How-To's

DM Smart DSP V2.03

How to set volume control with the ACR-3 on the DM Processors and Matrix DSP amplifiers

MacOS: How do I get past the warning messages when trying to install the DM Smart DSP software on my Mac?

How to update the DM Smart DSP software and firmware for the DM series Processors and D series DSP amplifiers.

MacOS – How to install the DM Smart DSP software for DM-Processors and D-Series Amplifiers

Windows – How to install the DM Smart DSP software for DM-Series Processors and D-Series Amplifiers

DM Smart DSP software – Saving configuration settings to your computer and memory presets.

DM-Processor Setup – Walk Thru

Re-installing drivers for DM Smart DSP software

How to fix RTA spikes in the DM Smart DSP

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DM-Series Processor & D-Series Amplifier FAQ's

Mac – DM Smart App does not connect to DSP or RTA on OS Monterey

How to manually load Windows drivers if you get “attempting to load ftd2xx.dll” and “failed to load ftd2xx.dll” error messages. (DM processors, D-Series Amps, DM-RTA)

The DM Smart DSP software is not communicating with my DM processor or DSP amplifier

The DM Smart DSP software is connected to the processor, it reads “Online” and there is audio going thru, but none of the controls work

How do I know if I have the latest version of the DM Smart DSP software?

What is the difference between the DM-608 and the DM-810?

Will the software for your new DM processors and DSP amplifiers work with any of your other car products?

How do I change presets on the DM processors or DSP amplifiers?

What is the sampling rate of the DM processors and DSP amplifiers?

What functions does the ACR-3 control on the DM processors or DSP amplifiers?

What does changing the dB level of the RTA input view do?

Where are the jumpers on my DM-608?

Where are the jumpers on my DM-810?

Do the DM processors or Matrix DSP amplifiers come with a microphone for it’s RTA function?

Is there a Mac OS installer for the DM Smart DSP software?

What to do if you see the “Contact support, need firmware binary” message when trying to open the DM Smart DSP software.

What is the input priority on channel 7/8 on the DM-810?

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AudioControl Product FAQs

Making your own PFM module

Active vs Passive Crossovers in an Audio Systems - What's the difference?

Where are the jumpers on the DQDX?

Is the crossover on the DQDX just for the sub channel?

How do I adjust the input gains on my DQ-61/DQDX?

Does the sub channel output of my DQ-61 have a low pass?

Can I bypass my factory amp?

What is the minimum and max input of my line converter?

What gauge wire should I use for speaker, power and remote trigger?

AC LGD’s: Do your line converters put a resistor load on the speaker outputs of my factory amp?

How do I adjust Signal Delay on my DQ-61 if I have a right handed driver car?

My new LC2i is black. Is there any difference between the black one and the silver one?

Could I get a replacement dash knob for my ESP-2/3?

What do the lights on my remote knob for my DQDX/DQ-61 mean?

What type of cable is used for my ACR remote dash knob?

What ACR remote knob will work with my original Epicenter or Epicenter Series 2?

What does the ACR-3 control on the Epicenter 600/1200 amplifiers?

Is the Epicenter knob a bass volume knob?

Do I need to send a full range signal or just a sub woofer signal to my epicenter?

Should I put the Epicenter before or after my EQ?

What is the difference between Accubass and the Epicenter?

How does the Epicenter work?

Where is the jumper location on my unit?

Do I need an 18 db crossover module, or a 24 db crossover module?

Can my multi channel line converter take a single stereo input and distribute it to all outputs?

Should I sum the outputs on my line converter?

What is M.I.L.C.?

How do I set the output gains on my line converter to match the input sensitivity of my aftermarket amplifier?

Do I need to connect the “remote in” in order for the “remote out” to work on my line converter?

How many devices can I connect to the remote out?

Will class D amplifiers work with our GTO signal sense?

Will the remote out work if I use the GTO?

What is GTO?

What is AutoMode?

How to setup AccuBASS®

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Speakers & Subwoofers

Mastering the Art of Subwoofer/speaker Break-In: A Comprehensive Guide

Install Video for TXFBB12 Bronco Subwoofer Enclosure

The Procedure for Setting up a Subsonic Filter

Understanding Subwoofer Performance and Preventing Damage: A Comprehensive Guide

LC Series Signal Converters

How to power and turn on the LC2i and LC2i Pro

How to setup AccuBASS on the LC2i and LC2i Pro

Load Selection – LC2i Pro, LC5i Pro, and LC7i Pro

Trigger Modes – LC2i Pro, LC5i Pro, and LC7i Pro

What is the difference between the Main and Bass output on the LC2i and LC2i Pro?

How do I use the “Maximize” light on the LC2i and LC2i Pro?

Which AC-LGD should I use?

What channel outputs from my factory amp should I connect to my LC2i and LC2i Pro?

My factory head unit only has a mono output. Can I just send a mono signal into my LC2i or LC2i Pro?

Channel summing / Signal routing with line converters LC6i / LC7i / LCQ-1.

Channel summing / Signal routing – LC8i

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AC-BT24 Bluetooth Adapter

AC-BT24 won’t connect to Android phone after Android 12 update

How to setup a memory preset for use with the AC-BT24 and the DM processors or DSP amplifiers.

How to connect the DM Smart DSP mobile app for setup of the DM processors and DSP amplifiers.

How to pair the AC-BT24 for streaming audio to the DM processors and DSP amplifiers.

AC-BT24 not connecting to the DM Smart DSP application

My AC-BT24 Bluetooth module is missing a connector pin!

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DM-RTA & RTA Microphones

How do I connect my RTA 3050 to a modern USB printer?

I have an older RTA with the high SPL software, can it be serviced?

Is there an Android App available for my SA-4100i?

What is the max SPL for the SA-4100i?

DM-RTA: How to connect AudioControl calibration microphones

DM-RTA: How to install the DM RTA software for Mac

DM-RTA: How to install the DM RTA software for Windows

DM-RTA Checklist

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Bridging AudioControl Amplifiers

How to Bridge Outputs on the ACX-300.4

How to bridge amplifier channels

Troubleshooting & Help

Three.2 Crossover settings (bypass and normal)

There is no output on the channel 3/sub output on my LC6i/LC7i/LCQ-1

My AudioControl line converter suddenly will no longer turn on

My Line out Converter stays on after the car turns off when using the GTO signal sense

After installing your line out converter my door chimes are VERY loud!

I just hooked up the Epicenter, but it’s only outputting low muffled noise.

The GTO signal sense is not turning on my line converter/processor

The protection and/or Power LED is flashing on my Epicenter 600/1200

The “Connected to Main” lights will intermittently turn on on my DQ-61 and the sub channel will then go out?

My stereo only sounds correct when my doors are open and/or my subwoofer acts erratically.

I have no audio from my Line Output Converter but it is powered on

The "Maximized" light stays on all the time!

Audible hiss coming through the speakers after installing AudioControl products

Failed to load driver error for DM Smart DSP software

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Legacy Product Information

Discontinued Car Product Manuals

Technical Bulletins & Warranty Procedures

Spike/Space Series Subwoofers Warranty Procedure/Field Destroy