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NVX Audio Upgrade Kit – QB10SPA with 2 Pair 6.5" Speakers

1200W MAX (350W RMS) Single 10" Amplified Ported Sub Enclosure w/ Remote Bass Knob, 2 Pair 6.5" Coaxial Speakers, Amp Kit, Sound Damping, and Roller

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1200W MAX (350W RMS) Single 10" Amplified Ported Sub Enclosure w/ Remote Bass Knob, 2 Pair 6.5" Coaxial Speakers, Amp Kit, Sound Damping, and Roller

• 10" Amplified Loaded Subwoofer System
• 350 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Includes 6.5(2) Co-axial Speaker and Damping Kits

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246
List price $533.42
-42% $311.43

In stock

• 10" Amplified Loaded Subwoofer System
• 350 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Includes 6.5(2) Co-axial Speaker and Damping Kits

Limited time!

NVX VSW104 Version 3 (VSW104v3)

1200W Peak (600 RMS) 10" VS-Series Dual 4-Ohm Car Subwoofer

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1200W Peak (600 RMS) 10" VS-Series Dual 4-Ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Enhanced Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 5.80"
• Sensitivity: 85 dB

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32
List price $143.99
-17% $119.99

In stock

Limited time!

NVX XFHD6R (Open Box, Great)

600W Peak (300W RMS) 6.5" XF-Series 2-Ohm Rear Tour-Pak Speakers for Select 2014-up Harley-Davidson Touring Model Motorcycles

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600W Peak (300W RMS) 6.5" XF-Series 2-Ohm Rear Tour-Pak Speakers for Select 2014-up Harley-Davidson Touring Model Motorcycles

• 300 watts Peak Each, 150 watts RMS Each
• 1" Titanium Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

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List price $203.99
-45% $111.99
$100.79 with coupon | Price details

In stock

• 300 watts Peak Each, 150 watts RMS Each
• 1" Titanium Dome Tweeters
• Injection Molded Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92 dB

Limited time!

NVX VSP65KIT

750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers

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750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers

• 375 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.51"

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Install kits available for most vehicles

84
List price $143.99
-17% $119.99 /set

In stock

Used from: $79.99 Like New from: $94.99
Limited time!

Memphis MXAHDPRO4

4-Speaker Audio System Upgrade Kit for select 2015-2022 vehicles from Harley Davidson Includes Four 6.5" Speakers and 4-Channel Amplifier

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4-Speaker Audio System Upgrade Kit for select 2015-2022 vehicles from Harley Davidson Includes Four 6.5" Speakers and 4-Channel Amplifier

• System includes four 6.5" speakers with three grille options, 4-channel powersports amplifier
• Designed to fit select 2015-2022 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• IP66 water-resistant rating
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

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List price $1659.95
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-40% $999.99

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Used from: $799.99

• System includes four 6.5" speakers with three grille options, 4-channel powersports amplifier
• Designed to fit select 2015-2022 vehicles from Harley Davidson
• System is designed to withstand harsh outdoor environments
• IP66 water-resistant rating
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

Limited time!

JL Audio XD-AICDO-3 (Open Box, Great)

3-Foot Digital Optical Audio Cable with Toslink Connectors

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3-Foot Digital Optical Audio Cable with Toslink Connectors

•Digital Optical Audio Connection Cable
• Digital Optical Audio Connection Cable
• Built-in Toslink Connectors
• Length: 3 feet

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List price $34.99
-30% $24.49
$22.04 with coupon | Price details

In stock

Only 1 Left!

•Digital Optical Audio Connection Cable
• Digital Optical Audio Connection Cable
• Built-in Toslink Connectors
• Length: 3 feet

Kicker KMTC11 (44KMTC114)

1200W Peak (600W RMS) 11" KMTC Series 2-Way Coaxial HLCD Marine Tower Speakers (Black)

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1200W Peak (600W RMS) 11" KMTC Series 2-Way Coaxial HLCD Marine Tower Speakers (Black)

• Peak Power: 600 watts Each
• RMS Power 300 watts Each
• 1.4" Titanium Horn Compression Drivers
• Stitched Polypropylene Cone
• Impedance: 4 ohm
• Sensitivity: 93 dB

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List price $1799.99
-6% $1,699.99 /pair

In stock

• Peak Power: 600 watts Each
• RMS Power 300 watts Each
• 1.4" Titanium Horn Compression Drivers
• Stitched Polypropylene Cone
• Impedance: 4 ohm
• Sensitivity: 93 dB

Limited time!

Victor Fitness VFWVC20 (Like New (Open Box))

20 lbs Camo Adjustable Weighted Vest

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20 lbs Camo Adjustable Weighted Vest

•Adjustable weighted vest
•Sleek and Durable
• 38 pouches with bags weighing between 0.5lbs to 1lbs.
• Velcro waist belt
• Padded shoulder straps
Available in 40lbs - Camo

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List price $99.99
-62% $38.24
$34.42 with coupon | Price details

In stock

Only 1 Left!

•Adjustable weighted vest
•Sleek and Durable
• 38 pouches with bags weighing between 0.5lbs to 1lbs.
• Velcro waist belt
• Padded shoulder straps
Available in 40lbs - Camo

Limited time!

Kicker KM65 (45KM654)

380W Peak (130W RMS) 6.5" KM Series 2 Way Coaxial 4-ohm Marine Speakers with Grilles

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380W Peak (130W RMS) 6.5" KM Series 2 Way Coaxial 4-ohm Marine Speakers with Grilles

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Includes 2 charcoal and 2 white grilles
• Injection Molded Polypropylene material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2-7/8"

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List price $219.99
Save $60.03
-27% $159.96 /pair

In stock

Like New from: $169.99

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Includes 2 charcoal and 2 white grilles
• Injection Molded Polypropylene material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2-7/8"

Rockford Fosgate R2-1200X1 with Amplifier Wiring Kit

Rockford Fosgate 1200W Monoblock Amplifier

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Rockford Fosgate 1200W Monoblock Amplifier

• 400 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant
• R.L.C. Remote Level Control
• Includes Amplifier Wiring Kit

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148
List price $593.98
-15% $506.68

In stock

• 400 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant
• R.L.C. Remote Level Control
• Includes Amplifier Wiring Kit

Limited time!

Kicker KXMA800.8 (48KXMA8008)

1200W Peak (800W RMS) Class D KXM Series 8-Channel Marine Amplifier

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1200W Peak (800W RMS) Class D KXM Series 8-Channel Marine Amplifier

• 50 watts x 8 channel @ 4 ohm
• 100 watts x 8 channel @ 2 ohm
• Bridged: 200 watts x 4 channel @ 4 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 8-Channel Amplifier

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List price $819.99
Save $244.03
-30% $575.96

In stock

Only 2 Left!

JL Audio CF-350mt

70W RMS 3.5" CF Series Custom-Fit Midrange 4-ohm Tweeters

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70W RMS 3.5" CF Series Custom-Fit Midrange 4-ohm Tweeters

• 3-1/2" CF Series Midtweeters
• 35 watts RMS Each
• 4 ohm Impedance

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Install kits available for most vehicles

4
$229.99 /pair

In stock

Limited time!

Belva BWT6LED

500W Peak (250W RMS) 6.5" Marine Tower Speakers with Multi-Color LED Lighting and Remote (White)

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500W Peak (250W RMS) 6.5" Marine Tower Speakers with Multi-Color LED Lighting and Remote (White)

• Peak Power: 250 watts Each
• RMS Power 125 watts Each
• 1" Titanium Balanced Dome Tweeters
• Polypropylene Cone
• Impedance: 4 ohm
• Sensitivity: 90 dB

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4
List price $219.99
-55% $99.95 /pair

In stock

Only 2 Left!

Used from: $85.99 Like New from: $89.99

NVX Subwoofer Shirt - Black (Large)

Short Sleeve T-Shirt with NVX Subwoofer Logo Graphic Print

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Short Sleeve T-Shirt with NVX Subwoofer Logo Graphic Print

• Short sleeve T-Shirt with NVX subwoofer logo
• 52% polyester and 48% cotton
• Easy tear-away label without damaging the shirt
• Shirt Color and Size: Black / L (large)

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List price $29.99
-17% $24.99

In stock

Only 3 Left!

• Short sleeve T-Shirt with NVX subwoofer logo
• 52% polyester and 48% cotton
• Easy tear-away label without damaging the shirt
• Shirt Color and Size: Black / L (large)

Limited time!

Belva BPS8RGB

600W Peak (300W RMS) Dual 8" Bluetooth ATV Powersports Amplified Sound System with LED Lights

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600W Peak (300W RMS) Dual 8" Bluetooth ATV Powersports Amplified Sound System with LED Lights

• Peak Power: 600 watts
• Built-in D amplifier
• Weatherproof IPX-5 Rating
• (2) 8" 2-way Coaxial speakers
• (2) 1" Balanced Dome Titanium Tweeters
• AUX input for smartphones and MP3

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List price $329.99
-45% $179.99

In stock

Used from: $125.99 Like New from: $152.99

• Peak Power: 600 watts
• Built-in D amplifier
• Weatherproof IPX-5 Rating
• (2) 8" 2-way Coaxial speakers
• (2) 1" Balanced Dome Titanium Tweeters
• AUX input for smartphones and MP3

NVX Audio Upgrade Kit – NPKG212 Bass Package with 2 Pair 6.5" Speakers

Includes Loaded Dual 12" Slot Ported Box, Monoblock Amp w/ Remote, 2 Pair 6.5 Coaxial Speakers, Amp Kit, Sound Damping, and Roller

NPKG212_65_X2_STG1VKIT big
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Includes Loaded Dual 12" Slot Ported Box, Monoblock Amp w/ Remote, 2 Pair 6.5 Coaxial Speakers, Amp Kit, Sound Damping, and Roller

• 12" Loaded Dual Subwoofer Enclosure with Amplifier
• 500 watts RMS
• Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Includes 6.5 Co-axial Speaker and Damping Kits

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257
List price $677.43
-28% $486.93

In stock

• 12" Loaded Dual Subwoofer Enclosure with Amplifier
• 500 watts RMS
• Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Includes 6.5 Co-axial Speaker and Damping Kits

Limited time!

Alpine R2-W8D2

1000W Peak (350W RMS) 8" R2-Series Dual 2-ohm Car Subwoofer

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1000W Peak (350W RMS) 8" R2-Series Dual 2-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 4.56"
• Sensitivity: 83.6 dB

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List price $360.00
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-33% $239.95

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Sonic Electronix Shirt - White (S-S-XL-WHITE)

Poly-Cotton Short Sleeve Shirt with Awesome Sonic Electronix Graphic Print

S-S-XL-WHITE big
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Poly-Cotton Short Sleeve Shirt with Awesome Sonic Electronix Graphic Print

• Sonic Electronix T-Shirt with Awesome Graphic Logo
• 52% polyester and 48% cotton material
• Easy tear-away label without damaging the shirt
• Shirt Color and Size: White / XL

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List price $30.00
-17% $25.00

In stock

• Sonic Electronix T-Shirt with Awesome Graphic Logo
• 52% polyester and 48% cotton material
• Easy tear-away label without damaging the shirt
• Shirt Color and Size: White / XL

Limited time!

Belva BAWPC1

Waterproof Cover for use with BAWPL

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Waterproof Cover for use with BAWPL

• Waterproof Cover for use with Belva BAWPL
• Material: Plastic
• Color: Black

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$1.99

In stock

• Waterproof Cover for use with Belva BAWPL
• Material: Plastic
• Color: Black

NVX VAD10004v1 Version 1 (Like New (Open Box))

1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

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1000W RMS Full Range Class D 4-Channel Car/Marine/Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 250 watts x 4 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm
• Total RMS Power: 1000 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

2+ offers available
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List price $349.99
-34% $229.99

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Available Offers (2) for NVX VAD10004v1 Version 1 (Like New (Open Box))
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List price $349.99
-34% $229.99
$206.99 with coupon | Price details
2026-06-16 09:46:00
Save 30% off an NVX XKIT44 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT44 Amp Kit! No code needed — discount applies automatically at checkout.

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    All About

    Specials & Promotions

    The Deals Department includes all items with extra savings such as last chance items or items on special. In addition to instant savings on new gear, we also have Sonic Electronix Coupons easily grouped and refurbished electronics in our Deals Department.

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

    • You see only parts engineered for your exact vehicle
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.