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  3. Speakers with Sound Deadening

Speakers with Sound Deadening for your 2021 FLHT Electra Glide Standard close

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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2021 FLHT Electra Glide Standard
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NVX VSP68 with Speaker Installation Kit

(600W Max) V-Series 5" x 7" / 6" x 8" 2-Way Coaxial Car Audio Speakers with Speaker Baffles and Sound Deadening

VSP68x2, XBAF68x2 big
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NVX VSP68 with Speaker Installation Kit

(600W Max) V-Series 5" x 7" / 6" x 8" 2-Way Coaxial Car Audio Speakers with Speaker Baffles and Sound Deadening

• 300W Max each / 100W RMS each
• Stamped Steel Basket
• 4 Ohm Impedance
• Polypropylene Cone
• Nitrile Butadiene Rubber Surround
• 25mm Silk Dome Tweeter

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Fits the following location in your FLHT Electra Glide Standard
  • Saddlebags
106
List price $337.44
-28% $241.74 /pair

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• 300W Max each / 100W RMS each
• Stamped Steel Basket
• 4 Ohm Impedance
• Polypropylene Cone
• Nitrile Butadiene Rubber Surround
• 25mm Silk Dome Tweeter

Diamond Audio DES525 with Sound Damping

200W Peak (100W RMS) 5.25" Elite Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

DES525_SDSK2 big
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Diamond Audio DES525 with Sound Damping

200W Peak (100W RMS) 5.25" Elite Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 100 watts Peak Each, 50 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite Fiber Weave cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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Fits your FLHT Electra Glide Standard
48
$214.98

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• 100 watts Peak Each, 50 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite Fiber Weave cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

NVX - Worth the Envy - Direct to Consumer Car Audio

Hertz C 165 with Sound Damping

420W Peak (140W RMS) 6.5" Cento Series Mid-Bass Woofer + NVX SDSK2 Sound Damping

C165_SDSK2 big
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Hertz C 165 with Sound Damping

420W Peak (140W RMS) 6.5" Cento Series Mid-Bass Woofer + NVX SDSK2 Sound Damping

• 210 watts Peak Each, 70 watts RMS Each
• semi-pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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Fits your FLHT Electra Glide Standard
52
List price $248.74
-14% $214.98

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• 210 watts Peak Each, 70 watts RMS Each
• semi-pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Hertz C 165 F with Sound Damping

420W Peak (140W RMS) 6.5" Cento Series Mid-Bass Woofer + NVX SDSK2 Sound Damping

C165F_SDSK2 big
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Hertz C 165 F with Sound Damping

420W Peak (140W RMS) 6.5" Cento Series Mid-Bass Woofer + NVX SDSK2 Sound Damping

• 210 watts Peak Each, 70 watts RMS Each
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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48
List price $248.74
-14% $214.98

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• 210 watts Peak Each, 70 watts RMS Each
• Semi-Pressed paper with Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Infinity Kappa 503CF with Sound Damping

480W Peak (160W RMS) 5.25” Kappa Series 2-way Component Speakers System + NVX SDSK2 Sound Damping

KAPPA503CF_SDSK2 big
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Infinity Kappa 503CF with Sound Damping

480W Peak (160W RMS) 5.25” Kappa Series 2-way Component Speakers System + NVX SDSK2 Sound Damping

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge-Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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49
List price $468.69
-37% $294.98

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• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge-Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

AudioControl PNW-57 with Installation Accessories

200W Peak (150W RMS) 5x7″ PNW Series 2-way 3-ohm Coaxial Speakers + 6x8” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

PNW57_ACC_KIT big
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AudioControl PNW-57 with Installation Accessories

200W Peak (150W RMS) 5x7″ PNW Series 2-way 3-ohm Coaxial Speakers + 6x8” Speaker Baffles + Sound Dampening, Roller and Panel Removal Kit

• 100 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.62 dB

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233
List price $361.71
-16% $303.06

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• 100 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.62 dB

Cerwin-Vega PH654 with Sound Damping

600W Peak (300W RMS) 6.5" PRO Series Full-Range Coaxial Car Speakers + NVX SDSK2 Sound Damping

PH654_SDSK2 big
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Cerwin-Vega PH654 with Sound Damping

600W Peak (300W RMS) 6.5" PRO Series Full-Range Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 300 Watts, 150 Watts RMS
•1.50” Double Layer High Temp Voice Coil
• BlackCoated Voice Coil former
• Advanced Voice Coil Heat Sink Design

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50
List price $246.73
-17% $204.98

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• 300 Watts, 150 Watts RMS
•1.50” Double Layer High Temp Voice Coil
• BlackCoated Voice Coil former
• Advanced Voice Coil Heat Sink Design

Hertz CX 130 with Sound Damping

300W Peak (100W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

CX130_SDSK2 big
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Hertz CX 130 with Sound Damping

300W Peak (100W RMS) 5.25" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

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48
List price $278.74
-5% $264.98

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• 150 watts Peak Each, 50 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• cone material
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

Hertz CX 165 with Sound Damping

420W Peak (140W RMS) 6.5" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

CX165_SDSK2 big
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Hertz CX 165 with Sound Damping

420W Peak (140W RMS) 6.5" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 210 watts Peak Each, 70 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-pressed paper+ Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
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found car based on your search
Fits your FLHT Electra Glide Standard
50
List price $278.74
-5% $264.98

In stock

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• 210 watts Peak Each, 70 watts RMS Each
• 15/16 Tetolon Dome Tweeters
• Semi-pressed paper+ Mica cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Polk Audio DB5252 with Installation Accessories

200W RMS 5.25” 2-way Car & Marine Component Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

DB5252, XBAF525, SDSK2, SDRLR1, BTK106 big
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Polk Audio DB5252 with Installation Accessories

200W RMS 5.25” 2-way Car & Marine Component Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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Fits multiple locations in your FLHT Electra Glide Standard
174
List price $282.70
-15% $240.03 /set

In stock

Only 2 Left!

Add to Cart

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

Lowest price in 30 days

Infinity REF507CF with Sound Damping

390W Peak (130W RMS) 5.25" Reference Series 2-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

REF507CF_SDSK2 big
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Infinity REF507CF with Sound Damping

390W Peak (130W RMS) 5.25" Reference Series 2-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Save 15% Off Package Deals at Checkout!
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48
List price $268.69
-29% $190.94

In stock

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• 195 watts Peak Each, 65 watts RMS Each
• 3/4" Textile Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

AudioControl PNW-65 with Sound Damping

200W Peak (150W RMS) 6.5″ PNW Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

PNW65_SDSK2 big
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AudioControl PNW-65 with Sound Damping

200W Peak (150W RMS) 6.5″ PNW Series 2-way Coaxial Speakers + NVX SDSK2 Sound Damping

• 100 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.9 dB

Save 15% Off Package Deals at Checkout!
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Fits your FLHT Electra Glide Standard
51
List price $297.74
-8% $273.99

In stock

Add to Cart

• 100 watts Peak Each, 50 watts RMS Each
• 1" Silk Dome Tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.9 dB

Hertz DSK130.3 with Speaker Installation Kit

Includes: (2) 5.25" 2-Way Component speakers, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

DSK 130.3, XBAF525, SDRLR1, SDSK2, BTK106 big
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Hertz DSK130.3 with Speaker Installation Kit

Includes: (2) 5.25" 2-Way Component speakers, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 60 Watts Max Each, 30 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your FLHT Electra Glide Standard
149
List price $302.71
-21% $240.02 /set

In stock

Only 2 Left!

Add to Cart

• 60 Watts Max Each, 30 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

Diamond Audio DES525 with Speaker Installation Kit

240W Peak (120W RMS) 5.25" Elite Series 2-Way Coaxial Car Speakers + 5.25” Speaker Baffles, Sound Dampening, Roller and Panel Removal Kit

DES525, XBAF525, SDSK2, SDRLR1, BTK106 big
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Diamond Audio DES525 with Speaker Installation Kit

240W Peak (120W RMS) 5.25" Elite Series 2-Way Coaxial Car Speakers + 5.25” Speaker Baffles, Sound Dampening, Roller and Panel Removal Kit

• 100 watts Peak Each, 50 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite Fiber Weave cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Save 15% Off Package Deals at Checkout!
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Save $30 on install kits for this speaker

found car based on your search
Fits multiple locations in your FLHT Electra Glide Standard
149
List price $262.70
-9% $240.02 /pair

In stock

Only 1 Left!

Add to Cart

• 100 watts Peak Each, 50 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite Fiber Weave cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Lowest price in 30 days

MTX Audio RTX108 with Speaker Installation Kit

180W Peak (90W RMS) 5.25" Thunder Series 2-Way Component System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

THUNDER51, XBAF525, SDSK2, SDRLR1, BTK106 big
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MTX Audio RTX108 with Speaker Installation Kit

180W Peak (90W RMS) 5.25" Thunder Series 2-Way Component System with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• Peak Power: 180W • RMS Power: 90W
• 1" Soft Dome Tweeter
• Mounting Depth: 2.19"
• Polypropylene Cone and Rubber Surround

Save 15% Off Package Deals at Checkout!
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Save $30 on install kits for this speaker

found car based on your search
Fits multiple locations in your FLHT Electra Glide Standard
158
List price $312.66
-23% $239.82 /set

In stock

Add to Cart

• Peak Power: 180W • RMS Power: 90W
• 1" Soft Dome Tweeter
• Mounting Depth: 2.19"
• Polypropylene Cone and Rubber Surround

Alpine R2-S65C with Sound Damping

600W Peak (200W RMS) 6.5" R-Series 2-Way Component Speakers with Magnesium Hard-Dome Tweeters + NVX SDSK2 Sound Damping

R2S65C_SDSK2 big
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Alpine R2-S65C with Sound Damping

600W Peak (200W RMS) 6.5" R-Series 2-Way Component Speakers with Magnesium Hard-Dome Tweeters + NVX SDSK2 Sound Damping

• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Save 15% Off Package Deals at Checkout!
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Fits your FLHT Electra Glide Standard
49
List price $498.74
-33% $334.94

In stock

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• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Pioneer TS-A1301C with Sound Damping

600W Peak (100W RMS) 5.25" A-Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

TSA1301C_SDBSK2 big
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Pioneer TS-A1301C with Sound Damping

600W Peak (100W RMS) 5.25" A-Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 300 watts Peak Each, 50 watts RMS Each
• 1-3/16" Polyetherimide Hard Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Fits your FLHT Electra Glide Standard
48
List price $188.74
-18% $154.99

In stock

Only 3 Left!

Add to Cart

• 300 watts Peak Each, 50 watts RMS Each
• 1-3/16" Polyetherimide Hard Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Cerwin Vega CVMPCL6.5 with Sound Damping

200W Max (100W RMS) 6.5" Stroker Pro Series Coaxial Car Speaker + NVX SDSK2 Sound Damping

CVMPCL65_SDSK2 big
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Cerwin Vega CVMPCL6.5 with Sound Damping

200W Max (100W RMS) 6.5" Stroker Pro Series Coaxial Car Speaker + NVX SDSK2 Sound Damping

• 200 watts Peak , 100 watts RMS
• Impedance: 4 ohm
• Sensitivity: 93.2 dB

Save 15% Off Package Deals at Checkout!
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Fits your FLHT Electra Glide Standard
57
List price $138.73
-17% $114.98

In stock

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• 200 watts Peak , 100 watts RMS
• Impedance: 4 ohm
• Sensitivity: 93.2 dB

Hertz K 165 with Sound Damping

300W Peak (75W RMS) 6.5" Uno Series 2-Way 4 ohm Component Speaker System + NVX SDSK2 Sound Damping

K165_SDSK2 big
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Hertz K 165 with Sound Damping

300W Peak (75W RMS) 6.5" Uno Series 2-Way 4 ohm Component Speaker System + NVX SDSK2 Sound Damping

• 150 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Fits your FLHT Electra Glide Standard
52
List price $168.74
-32% $114.98

In stock

Only 3 Left!

Add to Cart

• 150 Watts Max Each, 35 Watts RMS Each
• Water-repellent pressed paper cone material
• PEI Tweeter Dome
• 4 Ohm Impedance
• Sensitivity: 93.5 dB

Lowest price in 30 days

Infinity REF507F with Installation Accessories

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

REF507F_ACC_KIT big
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Infinity REF507F with Installation Accessories

270W Peak (90W RMS) 5.25" Reference Series 2-way 3-ohm Speakers + 5.25" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

• 135 watts Peak Each, 45 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
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Fits your FLHT Electra Glide Standard
231
List price $212.66
-40% $128.51

In stock

Add to Cart

• 135 watts Peak Each, 45 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

NVX - Worth the Envy - Direct to Consumer Car Audio
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    Identify your vehicle and submodel details
    • Owner's manual
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    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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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
    • 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.

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