Garage
Shop

Car Amplifier Packages & Bundles

Loading...
Filters

Gear Icon Find products that fit. Set your vehicle.

Shop the Category

filter-icon Filters & Sort

Alpine KTP-445A with NVX 8 Gauge Amp Kit

180W RMS Power Pack Series Class D 4-Channel Compact Amplifier

KTP445A_XKIT84 big
Go to item page Right Arrow Icon of Right Arrow

180W RMS Power Pack Series Class D 4-Channel Compact Amplifier

• 45 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
49
List price $507.99
-25% $380.31

In stock

• 45 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Total RMS Power: 180 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

DS18 G4000.5D with NVX 4 Gauge Amp Kit

4000W Peak (1480W RMS) Class D Gen-X Series 5-Channel Amplifier with Bass Remote and Input Selector

G40005D_XKIT46 big
Go to item page Right Arrow Icon of Right Arrow

4000W Peak (1480W RMS) Class D Gen-X Series 5-Channel Amplifier with Bass Remote and Input Selector

• 130 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 220 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 420 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1480 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
45
List price $575.94
-15% $486.94

In stock

Only 2 Left!

• 130 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 220 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 420 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1480 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Belva BXA6404 with Belva 8 Gauge Amp Kit

640W Peak BX-Series Class A/B 4-Channel Car Audio Amplifier

BXA6404, BAK84 big
Go to item page Right Arrow Icon of Right Arrow

640W Peak BX-Series Class A/B 4-Channel Car Audio Amplifier

• @ 4 ohm
• @ 2 ohm
• Bridged: @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel
• Includes Amplifier Wiring Kit

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
46
List price $259.98
-62% $99.99

In stock

Only 1 Left!

• @ 4 ohm
• @ 2 ohm
• Bridged: @ 4 ohm
• Total Peak Power: 640 watts
• Class A/B 2 ohm Stable 4-Channel-Channel
• Includes Amplifier Wiring Kit

Alpine KTA-200M with NVX 8 Gauge Amp Kit

200W RMS Class D Monoblock Subwoofer Amplifier

KTA-200M, XKIT82 big
Go to item page Right Arrow Icon of Right Arrow

200W RMS Class D Monoblock Subwoofer Amplifier

• Power stack Capable
• CTA-2006 Compliant
• Fits in the open space behind Alpine’s iLX-W650
• 100W x 1 RMS
• 200W x 1 RMS
• 400W x 1 DPP
• Includes Amplifier Wiring Kit

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
60
List price $395.99
-17% $329.94

In stock

• Power stack Capable
• CTA-2006 Compliant
• Fits in the open space behind Alpine’s iLX-W650
• 100W x 1 RMS
• 200W x 1 RMS
• 400W x 1 DPP
• Includes Amplifier Wiring Kit

Kenwood eXcelon XR1001-1 + High Quality NVX Amp Kit

2000W Max (1000W RMS) XR Series 2-ohm Stable Class-D Monoblock Amplifier w/ Bass Knob Included

XR1001-1, XKIT42 big
Go to item page Right Arrow Icon of Right Arrow

2000W Max (1000W RMS) XR Series 2-ohm Stable Class-D Monoblock Amplifier w/ Bass Knob Included

• 500 Watts RMS x 1 @ 4 ohm
• 1000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 2000 Watts
• CEA-2006 Compliant
• Bass Knob Included
• Aluminum Heatsink
• Dimensions: 12-5/8" W x 6-5/8" L x 2" H

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
125
List price $913.99
-15% $775.99

In stock

Only 3 Left!

• 500 Watts RMS x 1 @ 4 ohm
• 1000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 2000 Watts
• CEA-2006 Compliant
• Bass Knob Included
• Aluminum Heatsink
• Dimensions: 12-5/8" W x 6-5/8" L x 2" H

Hertz SP 4.900 with NVX 4 Gauge Amp Kit

900W RMS SPL Show Series Class-D 4-channel Amplifier

SP4900_XKIT44 big
Go to item page Right Arrow Icon of Right Arrow

900W RMS SPL Show Series Class-D 4-channel Amplifier

• 160 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 900 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
81
List price $955.99
-27% $699.99

In stock

• 160 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 900 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Wet Sounds SYN-DX 2 + NVX 4 Gauge Marine Amp Kit

750W RMS SYN-DX Series Bridgeable Full Range 2-Channel Class D Marine Amplifier (WetSounds)

SYN-DX 2, XKIT42 big
Go to item page Right Arrow Icon of Right Arrow

750W RMS SYN-DX Series Bridgeable Full Range 2-Channel Class D Marine Amplifier (WetSounds)

• 200 watts x 2 chan. @ 4 Ohm
• 375 watts x 2 chan. @ 2 Ohm
• 750 watts x 1 chan. @ 4 Ohm
• Total power output: 750 watts RMS
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
• Fuse Rating: 30 A x 3

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
125
List price $1243.98
-5% $1,176.98

In stock

Only 1 Left!

• 200 watts x 2 chan. @ 4 Ohm
• 375 watts x 2 chan. @ 2 Ohm
• 750 watts x 1 chan. @ 4 Ohm
• Total power output: 750 watts RMS
• Variable low-pass filter: 50 - 250 Hz, 12 dB/octave
• Variable high-pass filter: 50 - 250 Hz, 12 dB/octave
• Fuse Rating: 30 A x 3

Rockford Fosgate T1000-4AD + Free NVX XFLOC4 Line-Output-Converter and Amp Kit

1000W 4-Channel Power Amplifier + NVX 4-Channel L.O.C + 4 Gauge Amp Kit

T1000-4AD, XFLOC4, BAK44 big
Go to item page Right Arrow Icon of Right Arrow

1000W 4-Channel Power Amplifier + NVX 4-Channel L.O.C + 4 Gauge Amp Kit

• 1000W RMS
• 250W x 4-Chan @ 4 Ohm
• NOMAD Real Time Computer Protection
• 50-500 Hz LP/AP/HP Crossovers
• Constant Power

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
72
List price $1203.72
-9% $1,099.99

In stock

Only 1 Left!

• 1000W RMS
• 250W x 4-Chan @ 4 Ohm
• NOMAD Real Time Computer Protection
• 50-500 Hz LP/AP/HP Crossovers
• Constant Power

Lowest price in 30 days

Rockford Fosgate PBR400X4D with Amplifier Wiring Kit

400W 4 Channel Punch Series Class D Amplifier + Belva 8 Gauge Amp Wiring Kit

PBR400X4D, BAK84 big
Go to item page Right Arrow Icon of Right Arrow

400W 4 Channel Punch Series Class D Amplifier + Belva 8 Gauge Amp Wiring Kit

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 400 Watts
• CEA-2006 Compliant
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Compact design for stealth installations
• 4.25"W x 1.53"H x 6.75"D

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
40
List price $369.98
-24% $279.99

In stock

Only 1 Left!

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 400 Watts
• CEA-2006 Compliant
• C.L.E.A.N. input/output clip detection and indicator LEDs
• Compact design for stealth installations
• 4.25"W x 1.53"H x 6.75"D

NVX VAD10001 v2 Amp, XKIT42 2-Channel Amplifier Wiring Kit

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier and Full Spec 4 Gauge 100% OFC 2-Channel Amplifier Wiring Kit

VAD10001_XKIT42 big
Go to item page Right Arrow Icon of Right Arrow

2000W Peak (1000W RMS) Class D Monoblock Car/Marine/Powersports Amplifier and Full Spec 4 Gauge 100% OFC 2-Channel Amplifier Wiring Kit

  • NVX VAD10001 v2 2000W Peak Class D Monoblock Amplifier
  • Marine Certified for Car, Marine, and Powersports Use
  • Includes Wired Bass Remote for Precision Control
  • XKIT42 Full Spec 4 Gauge 100% OFC Wiring Kit
  • Complete 2-Channel Installation Solution with RCA Cables
shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
158
List price $378.97
-23% $292.87

In stock

  • NVX VAD10001 v2 2000W Peak Class D Monoblock Amplifier
  • Marine Certified for Car, Marine, and Powersports Use
  • Includes Wired Bass Remote for Precision Control
  • XKIT42 Full Spec 4 Gauge 100% OFC Wiring Kit
  • Complete 2-Channel Installation Solution with RCA Cables

Cerwin Vega B54 with Belva 4 Gauge Amp Kit

1200W 4-Channel Bomber Series Class D Amplifier with 4 Gauge Amp Kit

B54, BAK44 big
Go to item page Right Arrow Icon of Right Arrow

1200W 4-Channel Bomber Series Class D Amplifier with 4 Gauge Amp Kit

• RMS: 80 Watts x 4 @ 4 ohm, 150 Watts x 4 @ 2 ohm, Bridged: 300 Watts x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Class D IR Chipset with DirectFET Power Mosfet Output
• Wired remote bass level control included
• Ultra Compact High Density Aluminum Alloy Chassis
• Dimensions: 4.02" W x 8.70" L x 1.40" H

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
32
List price $511.98
-30% $359.99

In stock

• RMS: 80 Watts x 4 @ 4 ohm, 150 Watts x 4 @ 2 ohm, Bridged: 300 Watts x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Class D IR Chipset with DirectFET Power Mosfet Output
• Wired remote bass level control included
• Ultra Compact High Density Aluminum Alloy Chassis
• Dimensions: 4.02" W x 8.70" L x 1.40" H

Lowest price in 30 days

Rockford Fosgate P500X2 with Amplifier Wiring Kit

500W RMS 2-Channel Amplifier (P500X.2) with NVX 8 Gauge Amplifier Wiring Kit

P500X2, XKIT82 big
Go to item page Right Arrow Icon of Right Arrow

500W RMS 2-Channel Amplifier (P500X.2) with NVX 8 Gauge Amplifier Wiring Kit

• 150W x 2 Chan. @ 4 ohm
• 250W x 2 Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
62
List price $525.98
-18% $429.98

In stock

Only 3 Left!

• 150W x 2 Chan. @ 4 ohm
• 250W x 2 Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

Rockford Fosgate M5-1000X1with NVX 8 Gauge Amp Kit

750W RMS M5-Series Class-BD Monoblock Marine Amplifier

M51000X1_XKIT82 big
Go to item page Right Arrow Icon of Right Arrow

750W RMS M5-Series Class-BD Monoblock Marine Amplifier

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm (Dynamic Power)
• Total RMS Power: 750 watts
• Class BD 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
60
List price $785.98
-5% $749.98

In stock

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm (Dynamic Power)
• Total RMS Power: 750 watts
• Class BD 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

NVX 6x9" Component Speakers with Installation Kit

Includes NVX 6x9" N-Series Component Speakers, Baffle, Premium Sound Damping, Rubber Roller, Installer's Panel Removal Kit

NSP69KIT_ACC_KIT big
Go to item page Right Arrow Icon of Right Arrow

Includes NVX 6x9" N-Series Component Speakers, Baffle, Premium Sound Damping, Rubber Roller, Installer's Panel Removal Kit

• 460 watts Peak Each, 160 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.95"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
263
List price $212.70
-31% $146.20

In stock

• 460 watts Peak Each, 160 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.95"

NVX 6.5" Pro Midrange Speakers with Installation Kit

Includes NVX 6.5" V-Series Pro Midrange Speakers, Baffle, Premium Sound Damping, Rubber Roller, Installer's Panel Removal Kit

VPRO65_X2_ACC_KIT big
Go to item page Right Arrow Icon of Right Arrow

Includes NVX 6.5" V-Series Pro Midrange Speakers, Baffle, Premium Sound Damping, Rubber Roller, Installer's Panel Removal Kit

•225 watts RMS
•1" Aluminum Dome Bullet Tweeter
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
334
List price $253.69
-24% $194.04

In stock

•225 watts RMS
•1" Aluminum Dome Bullet Tweeter
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

JBL ClubA600 (Club A 600) + Free Belva 8 Gauge Amp Kit

High Performance Monoblock Subwoofer Amplifier

AMPCBA600AM, BAK82 big
Go to item page Right Arrow Icon of Right Arrow

High Performance Monoblock Subwoofer Amplifier

• Class D Amp Technology
• 4 Ohm: 350 Watts RMS x 1
• Compact Size
• Turn-On Mode Switch
• Input Level Control

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
97
List price $419.94
-24% $319.95

In stock

• Class D Amp Technology
• 4 Ohm: 350 Watts RMS x 1
• Compact Size
• Turn-On Mode Switch
• Input Level Control

Rockford Fosgate R2-200X2 + Belva BAK42 4 Gauge Amp Kit

Prime Series 200W RMS Class D 2-Channel Amplifier + Belva 4 Gauge Wiring Kit

R2-200X2, BAK42 big
Go to item page Right Arrow Icon of Right Arrow

Prime Series 200W RMS Class D 2-Channel Amplifier + Belva 4 Gauge Wiring Kit

• 50 Watts RMS x 2 @ 4 ohm
• 100 Watts RMS x 2 @ 2 ohm
• 200 Watts RMS x 1 Bridged @ 4 ohm
• CEA-2006 Compliant/Preamp Outputs/LPF
• On Board Punch EQ

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
171
List price $299.98
-20% $239.99

In stock

• 50 Watts RMS x 2 @ 4 ohm
• 100 Watts RMS x 2 @ 2 ohm
• 200 Watts RMS x 1 Bridged @ 4 ohm
• CEA-2006 Compliant/Preamp Outputs/LPF
• On Board Punch EQ

NVX VSW104v3 + NDA15001 + XKIT42

1200W Peak (600 RMS) 10" VS-Series Subwoofer + Monoblock Amplifier with Remote Bass Knob with 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1500 Watts

VSW104V3_NDA15001_XKIT42 big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600 RMS) 10" VS-Series Subwoofer + Monoblock Amplifier with Remote Bass Knob with 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 1500 Watts

• Two 10" VSW104v3 VS-Series 600W RMS Subwoofers
• 3000W Peak (1500W RMS) Class D NDA15001 Monoblock Amplifier
• XKIT42 Complete 4 AWG Amplifier Wiring Kit
• 1-year Warranty from the Original Purchase Date

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
170
List price $719.96
-24% $549.96

In stock

• Two 10" VSW104v3 VS-Series 600W RMS Subwoofers
• 3000W Peak (1500W RMS) Class D NDA15001 Monoblock Amplifier
• XKIT42 Complete 4 AWG Amplifier Wiring Kit
• 1-year Warranty from the Original Purchase Date

18-23 Wrangler JL / 20-23 Gladiator JT Kicker Plug & Play 5-Channel Amp & Sub

1000W Peak (500W RMS) Loaded Dual 12" Sealed Truck Enclosure

18-23-jeep-jljt-kspkg-sub big
Go to item page Right Arrow Icon of Right Arrow

1000W Peak (500W RMS) Loaded Dual 12" Sealed Truck Enclosure

• Sealed truck enclosure with 2 12" CompRT Series Subwoofer • 250-500 watts RMS Power Rating • Final Impedance: 2-ohm • Dimensions: 27 1/2" L x 6 1/8" H x 14 5/8" W

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
7
List price $1029.97
-9% $939.97

In stock

• Sealed truck enclosure with 2 12" CompRT Series Subwoofer • 250-500 watts RMS Power Rating • Final Impedance: 2-ohm • Dimensions: 27 1/2" L x 6 1/8" H x 14 5/8" W

Diamond Audio DMD500.1D with DMD124 Sub

500W RMS DMD Series Monoblock Class-D Amplifier + DMD Series 12 inch 4Ω DVC Sub

DMD5001D_DMD124 big
Go to item page Right Arrow Icon of Right Arrow

500W RMS DMD Series Monoblock Class-D Amplifier + DMD Series 12 inch 4Ω DVC Sub

• 340 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes 12 inch Subwoofer

shipping truck icon Free shipping in USA. Provide zip for delivery date.
light bulb icon Discover more. Set your vehicle.
1
List price $469.98
-17% $389.99

In stock

Only 2 Left!

• 340 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes 12 inch Subwoofer

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?
    Save up to 10 different vehicles in your garage

    Add vehicle
    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.