Garage
Shop

1991 Eagle Premier

The best Digital Sound Processors (DSP) for 1991 Premier

Digital Sound Processors for 1991 Eagle Premier

Shop for Digital Sound Processors (DSP) that offer massive upgrades to your factory Eagle Premier OEM stereo. A DSP will revolutionize the way you are able to control your overall sound in your vehicle and get precise adjustments to your amps and speakers.

Loading...
Filters
filter-icon Filters & Sort

Hifonics VLOC-2V1

2-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment

VLOC-2V1 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment

• 2-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$29.99

In stock

Only 3 Left!

• 2-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications

Crux LOC-4

4-Channel Line Output Converter with Remote 12-Volt Trigger

LOC-4 big
Go to item page Right Arrow Icon of Right Arrow

4-Channel Line Output Converter with Remote 12-Volt Trigger

• 4-Channel line output converter with 12-volt remote trigger
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $23.10
-36% $14.85

In stock

Only 3 Left!

• 4-Channel line output converter with 12-volt remote trigger
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system

Stinger SSLOC35

70W 2-Channel Line Output Converter

SSLoc35 big
Go to item page Right Arrow Icon of Right Arrow

70W 2-Channel Line Output Converter

• Passive 2-channel line output converter
• Designed to integrate with aftermarket or factory OEM systems
• Gold-plated RCA jacks
• Maximum Input: 35 watts per channel

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $29.00
-38% $17.99

In stock

Only 3 Left!

• Passive 2-channel line output converter
• Designed to integrate with aftermarket or factory OEM systems
• Gold-plated RCA jacks
• Maximum Input: 35 watts per channel

Axxess AXLOC-55SP

55W 2-Channel Adjustable Line Output Converter with Short Protection

AXLOC-55SP big
Go to item page Right Arrow Icon of Right Arrow

55W 2-Channel Adjustable Line Output Converter with Short Protection

• Adjustable line output converter
• 55-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $26.99
-11% $23.99

In stock

• Adjustable line output converter
• 55-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip

MTX TL-DBE

2-Channel Line Output Converter with Digital Bass Enhancer

TL-DBE big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Line Output Converter with Digital Bass Enhancer

• 2-Channel Line Output Converter with Bass Enhancer
• Designed to integrate with aftermarket or factory OEM systems
• High-input signal accepts up to 40 volts
• Speaker level inputs

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $16.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $179.95
-11% $159.95

In stock

Only 2 Left!

• 2-Channel Line Output Converter with Bass Enhancer
• Designed to integrate with aftermarket or factory OEM systems
• High-input signal accepts up to 40 volts
• Speaker level inputs

Axxess AXLOC-30F

30W 2-Channel Fixed Line Output Converter

AXLOC-30F big
Go to item page Right Arrow Icon of Right Arrow

30W 2-Channel Fixed Line Output Converter

• Fixed line output converter
• 30-watt maximum input
• 2 channel input connection
• Molded channels so zip ties will not slip

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $23.99
-13% $20.99

In stock

• Fixed line output converter
• 30-watt maximum input
• 2 channel input connection
• Molded channels so zip ties will not slip

MTX TL-45L (TL-4.5L)

4-Channel Input / 5-Channel Output Line Output Converter

TL-45L big
Go to item page Right Arrow Icon of Right Arrow

4-Channel Input / 5-Channel Output Line Output Converter

• 4-Channel Input / 5-Channel Output Line Output Converter
• Designed to integrate with aftermarket or factory OEM systems
• High-input signal accepts up to 40 volts
• Speaker level inputs

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $16.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $179.95
-11% $159.95

In stock

Only 2 Left!

• 4-Channel Input / 5-Channel Output Line Output Converter
• Designed to integrate with aftermarket or factory OEM systems
• High-input signal accepts up to 40 volts
• Speaker level inputs

Kicker KISLOAD2 (46KISLOAD2)

K-Series Interface for Smart Radios 25 Ohm Load 2Ch 40v inputs

KISLOAD2 big
Go to item page Right Arrow Icon of Right Arrow

K-Series Interface for Smart Radios 25 Ohm Load 2Ch 40v inputs

• Interface For Smart Radios
• 25-ohm Load
• 2-Ch 40V Inputs

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

• Interface For Smart Radios
• 25-ohm Load
• 2-Ch 40V Inputs

Rockford Fosgate RF-HLC4

4-Channel High-to-Low Level Line Out Converter

RF-HLC4 big
Go to item page Right Arrow Icon of Right Arrow

4-Channel High-to-Low Level Line Out Converter

• 4-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Speaker level inputs
• 2-channel preamp output

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

7
$59.99

Available

Ships in 10-14 days

• 4-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Speaker level inputs
• 2-channel preamp output

DS18 MTLOC4

4-Channel High-to-Low Line Output Converter

MTLOC4 big
Go to item page Right Arrow Icon of Right Arrow

4-Channel High-to-Low Line Output Converter

• 4-Channel line output converter
• 2/4-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $9.50 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$94.95

In stock.

• 4-Channel line output converter
• 2/4-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

PAC LPA-E.4

4-Channel 400W RMS LOCPRO Advanced Line Out Converter with Bass Remote

LPA-E.4 big
Go to item page Right Arrow Icon of Right Arrow

4-Channel 400W RMS LOCPRO Advanced Line Out Converter with Bass Remote

• 4-channel active line out converter
• Speaker Level handles up to 400W RMS
• Selectable turn-on mode
• 9.5Vrms output
• 12-volt turn-on lead output

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $15.90 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
List price $209.00
-24% $159.00

In stock

Only 2 Left!

• 4-channel active line out converter
• Speaker Level handles up to 400W RMS
• Selectable turn-on mode
• 9.5Vrms output
• 12-volt turn-on lead output

DS18 MTLOC5

5-Channel High-to-Low Line Output Converter

MTLOC5 big
Go to item page Right Arrow Icon of Right Arrow

5-Channel High-to-Low Line Output Converter

• 5-Channel line output converter
• 2/5-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$109.95

In stock

Only 1 Left!

• 5-Channel line output converter
• 2/5-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

DS18 MTLOC2

2-Channel High-to-Low Line Output Converter

MTLOC2 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel High-to-Low Line Output Converter

• 2-Channel line output converter
• 20V/40V input select
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$74.95

In stock.

• 2-Channel line output converter
• 20V/40V input select
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

Cerwin-Vega IOEM44

400 Watts 4-Channel Line Output Converter

IOEM44 big
Go to item page Right Arrow Icon of Right Arrow

400 Watts 4-Channel Line Output Converter

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$99.99

Available

Ships in 10-14 days

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Cerwin-Vega IOEM22

400 Watts 2-Channel Line Output Converter

IOEM22 big
Go to item page Right Arrow Icon of Right Arrow

400 Watts 2-Channel Line Output Converter

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 1 set
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$39.99

Available

Ships in 10-14 days

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 1 set
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Axxess AXLOC-RGC

2-Channel Adjustable Line Output Converter with Remote Gain Control

AXLOC-RGC big
Go to item page Right Arrow Icon of Right Arrow

2-Channel Adjustable Line Output Converter with Remote Gain Control

• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Separate remote gain control for easy adjustment

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $63.99
-11% $56.99

In stock

Only 2 Left!

• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Separate remote gain control for easy adjustment

DS18 QHL4

4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

QHL4 big
Go to item page Right Arrow Icon of Right Arrow

4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $15.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $179.99
-17% $149.95

Available

Ships in 10-14 days

• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

Cerwin-Vega IOEM66

400 Watts 6-Channel Line Output Converter

IOEM66 big
Go to item page Right Arrow Icon of Right Arrow

400 Watts 6-Channel Line Output Converter

• Active 6-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$109.99

In stock.

• Active 6-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Axxess AXLOC4M-80

80W 4-Channel Adjustable Line Output Converter

AXLOC4M-80 big
Go to item page Right Arrow Icon of Right Arrow

80W 4-Channel Adjustable Line Output Converter

• Adjustable line output converter
• 80-watt maximum input
• 4 channel input connection
• 12-volt signal sense turn-on

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $58.99
-10% $52.99

In stock

Only 3 Left!

• Adjustable line output converter
• 80-watt maximum input
• 4 channel input connection
• 12-volt signal sense turn-on

Diamond Audio LOC44

400W 4-Channel Line Output Converter with Remote Bass Control

LOC44 big
Go to item page Right Arrow Icon of Right Arrow

400W 4-Channel Line Output Converter with Remote Bass Control

• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$109.99

In stock.

• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Digital Sound Processors (DSP) in 1991 Premier

    Q: Can I upgrade or change the Digital Sound Processors (DSP) in 1991 Eagle Premier?

    A: Yes this page includes all the best Digital Sound Processors (DSP) that work in your Premier.

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    1969 Ford Thunderbird

    1991 Eagle Premier

    2009 BMW 535i

    2019 Mitsubishi Eclipse Cross

    2006 Chrysler Pacifica

    1996 Dodge Stratus

    1997 Subaru Impreza

    2002 Pontiac Firebird

    2003 Isuzu Ascender

    1995 Mercury Sable

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.