Garage
Shop

Rockford Fosgate Equalizers & Sound Processors


Checkmark Icon Select vehicle to make sure it fits.

Top sellers

Loading...
Filters
filter-icon Filters & Sort

Rockford Fosgate DSR-1

8-Channel DSP with Maestro AR amp replacement module

DSR1 big
Go to item page Right Arrow Icon of Right Arrow

8-Channel DSP with Maestro AR amp replacement module

•18 Pin Analog Input Harness, 16 Pin Analog Output Harness
•245 Bands of Equalization for Aftermarket Tuning
• Micro USB Setup/Update Port
• Adjustable Crossovers with Selectable Slope

shipping truck icon
FREE 2-day shipping to VA. Get it Thu, Mar. 21
VIP Star Icon

VIP Product Get $35.00 in rewards to spend later

empty

Universal Fitment Icon Universal-fit, works with nearly all vehicles.

$349.99

In stock

•18 Pin Analog Input Harness, 16 Pin Analog Output Harness
•245 Bands of Equalization for Aftermarket Tuning
• Micro USB Setup/Update Port
• Adjustable Crossovers with Selectable Slope

DSR1 small

Item added to your cart.

Price: $349.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
Essential add-ons
Belva BBIC65

5m (16.40 ft) 6-Channel RCA Audio Interconnect Cable (CCA)

$29.99

$9.99

Add to cart
NVX XIV65

V-Series: 5m (16.40 ft) 6-Channel RCA Audio Interconnect Cable

$49.99

$29.99

Add to cart
Stinger SI4612

12 ft. of 6-Channel 4000 Series RCA Interconnect Cables

$73.00

$28.99

Add to cart
NVX XIV25

V-Series: 5m (16.40 ft) 2-Channel RCA Audio Interconnect Cable

$18.99

$12.99

Add to cart
NVX XIX25

X-Series: 5m (16.40 ft) 2-Channel RCA Audio Interconnect Cable

$29.99

$18.99

Add to cart
SMD CC-1

Crossover Calibrator (CC1)

$195.99

$192.99

Add to cart
SMD DD-1+

Distortion Detector/Analyzer

$312.99

$329.99

Add to cart
SMD DD-1

Distortion Detector/Analyzer

$207.99

$199.99

Add to cart

Rockford Fosgate RFPOL-RC5

Polaris Ride Command active noise reduction adapter for use with RZR14RC-STAGE5

RFPOL-RC5 big
Go to item page Right Arrow Icon of Right Arrow

Polaris Ride Command active noise reduction adapter for use with RZR14RC-STAGE5

• Active electronic noise suppressor
• Retains factory Ride Command® as audio source
• Designed for RZR®, RANGER™, and GENERAL™
• Compatible with both 5-button and 7-button RIde Command®
• Harness plugs exclusively into TM400X5ad

shipping truck icon
FREE 2-day shipping to VA. Get it Thu, Mar. 21
VIP Star Icon

VIP Product Get $14.00 in rewards to spend later

empty

found car based on your search Make sure it fits. Select a vehicle
$139.99

In stock

Only 1 Left!

• Active electronic noise suppressor
• Retains factory Ride Command® as audio source
• Designed for RZR®, RANGER™, and GENERAL™
• Compatible with both 5-button and 7-button RIde Command®
• Harness plugs exclusively into TM400X5ad

RFPOL-RC5 small

Item added to your cart.

Price: $139.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Rockford Fosgate RF-HLC4

4-Channel High-to-Low Level Converter

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

4-Channel High-to-Low Level Converter

• 4-Channel High-to-Low Level Converter
• High-to-Low Signal Converter to Connect 4-Channel Amplifiers to Radios Without RCA Output
• Output Voltage: Up to 3V (low-level)
• Mounting: Behind Dash

shipping truck icon
FREE 2-day shipping to VA. Delivers Apr. 1 - Apr. 8
VIP Star Icon

VIP Product Get $5.10 in rewards to spend later

empty

Universal Fitment Icon Universal-fit, works with nearly all vehicles.

7
$50.99

Available

Ships in 10-14 days

• 4-Channel High-to-Low Level Converter
• High-to-Low Signal Converter to Connect 4-Channel Amplifiers to Radios Without RCA Output
• Output Voltage: Up to 3V (low-level)
• Mounting: Behind Dash

RF-HLC4 small

Item added to your cart.

Price: $50.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7

Rockford Fosgate RFPOL-RC34

Wire Harness to Replace Factory Amplifier With an Aftermarket Amp for select 2017-2019 vehicles from Polaris

RFPOL-RC34 big
Go to item page Right Arrow Icon of Right Arrow

Wire Harness to Replace Factory Amplifier With an Aftermarket Amp for select 2017-2019 vehicles from Polaris

• Plug and Play T-Harness for faster installation
• Retains factory wiring integrity
• Compatible with amplified audio systems
• Active electronic noise suppressor
• Retains factory Ride Command® as audio source

shipping truck icon
FREE 2-day shipping to VA. Delivers Apr. 1 - Apr. 8
VIP Star Icon

VIP Product Get $14.00 in rewards to spend later

empty

found car based on your search Make sure it fits. Select a vehicle
$139.99

Available

Ships in 10-14 days

• Plug and Play T-Harness for faster installation
• Retains factory wiring integrity
• Compatible with amplified audio systems
• Active electronic noise suppressor
• Retains factory Ride Command® as audio source

RFPOL-RC34 small

Item added to your cart.

Price: $139.99

Allstate logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Mechanical, electrical and product failure covered! 100% parts and labor covered. (Coverage starts after Mfr. warranty)
  • Easy online management! Zero hassle claim service, available 24/7
ADVERTISEMENT
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?
Save up to 10 different vehicles in your garage

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