Hertz CPK 690 240W RMS 6x9" Component Speakers with Sound Damping

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Hertz CPK 690 with Sound Damping Image 1 — Hertz CPK 690 with Sound Damping

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Hertz CPK 690 with Sound Damping Image 4 — Hertz CPK 690 with Sound Damping

Hertz CPK 690 with Sound Damping Image 5 — Hertz CPK 690 with Sound Damping

Hertz CPK 690 with Sound Damping Image 6 — Hertz CPK 690 with Sound Damping

Hertz CPK 690 with Sound Damping Image 7 — Hertz CPK 690 with Sound Damping

Hertz CPK 690 with Sound Damping Image 8 — Hertz CPK 690 with Sound Damping

Hertz CPK 690 with Sound Damping Image 9 — Hertz CPK 690 with Sound Damping

Product highlights

• 360 watts Peak Each, 120 watts RMS Each
• 1-1/4 Tetolon Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Learn more about the cpk690_sdsk2

Doesn't fit your 2011 740i

Similar items | Update vehicle | Vehicle store

List price $618.74

-17%

$514.98

with warranty

Starting at $47/mo with

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Description

Authorized dealer

Hertz CPK 690

720W Peak (240W RMS) 6x9" Cento Series 2-way 4-ohm Component Car Speakers
Quantity: 1

Product Details:

6" x 9" Hertz Cento Series 2-way Component System Car Speakers
Power Handling:

Peak: 720 watts per set / 360 watts each side
RMS: 240 watts per set / 120 watts each side

Pressed Paper cone material
Rubber speaker surround
1.14" Tetolon Dome tweeters
1.2" double layer voice coil
High density flux Ferrite magnet motor structure
Center tuning duct tweeter geometry
Neodymium tweeter magnet with high-density magnetic flux
Rear tweeter chamber filled with damping material
Adjustable tweeter level switch: -2dB / 0dB / 2dB
Crossover Frequency: 3.1 kHz with a 12dB/octave and 6dB slope
Compact and transparent three-spoke blasket
Top-mount Depth: 3.35"
Cutout Dimensions: 8.86" x 6.06"
Impedance: 4 ohm
Frequency Response: 35 - 22500 Hz
Sensitivity: 92 dB
Authorized Internet Dealer
1-year Manufacturer's Warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

NVX SDBSK2 Premium Stealth Black

91 mil 1.38 sq ft Car Speaker Sound Deadening Kit (Two 10" x 10" Sheets)
Quantity: 1

Product Details:

1.38 square feet sound deadening kit
Solid black design for any stealth car audio installation
Core is based with 100% pure butyl rubber to withstand extreme heat
No asphalt, tar, or cheap fillers - will not outgas, melt or fall off
Waterproof barrier protects against moisture damage and mechanical oils
Up to 30% thicker than cheap 50–80 mil alternatives
Flexible aluminum backing contours tightly to complex door panels and vehicle curves with ease
Structural damping kills unwanted sheet metal resonance caused by heavy mid bass
Seals the door cavity to drastically increase speaker bass response and clarity
Lowers cabin ambient noise so you hear your music instead of the highway
Reflects radiant heat to help keep your vehicle interior cooler
Simple three step peel and stick installation process makes upgrading your sound quick
Combine this kit with NVX SDRLR1 Rubber Roller for easy installation
Pack includes two 10" x 10" sheets
Authorized Internet Dealer
1-year Manufacturer's Warranty

Specifications:

Install Location: Speaker
Material Thickness: 0.091 (2.3 mm)
Amount of Material: 1.38 square feet
Material Use: Vibration Dampener
Optimal Performance Temperature: 14°F to 140°F
Rated Temperature Range: -75°F to 450°F
Application Temperature: 60°F to 90°F
Dimensions (each piece): 10"L x 10"W

Specifications & Details

Speaker Specifications

CTA-2031 Compliant

Series

Cento Series

Total PEAK Per Pair/Set

720 watts

RMS Power Handling

120 watts

Peak Power Handling

360 watts

Woofer Surround

Rubber

Woofer Composition

Paper

Tweeter Composition

Tetolon

Tweeter Size

1-1/4

Tweeter Design

Dome

Design

2-way Component System

Speaker Size

6" x 9"

Priced Per

Pair

Total RMS Per Pair/Set

240 watts

Sensitivity

94 dB

Number of Speakers

Cutout Dimensions

8.86" x 6.06"

Top-Mount Depth (Mounting Depth)

3-3/8"

Magnet Type

Ferrite

Shallow Mount Installation

Voice Coil Diameter

1.2"

Impedance (Per Voice Coil)

4 ohm

Frequency Response

35 - 24000 Hz

General specifications

Speaker Grilles

Yes

Illumination

None

Color

Black

Hi-Res Certified

Marine Certified

Sound Damping Specifications

Material Use

Vibration Dampener

Total Amount of Material

1.38 square feet

Material Thickness

0.091

Installation Location

Speaker

Warranty and Return Policy

Parts Warranty Duration

1 year

Labor Warranty Duration

1 year

Warranty Provider

Manufacturer

Customer Ratings & Reviews

Hertz CPK 690 with Sound Damping thumbnail image

Overall rating distribution

5 star		92%
4 star		8%
3 star		0%
2 star		0%
1 star		0%

Filter by Star Rating

Show only Verified Purchases

By feature average rating

Durability		5
Value		5
Features		5
Design		5
Usability		5

Customer Reviews

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Great deal

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Got this product free with the purchase of a pair of speakers it helps out a lot looks more professional and sounds cleaner definitely give it a try for your next project.

By Anonymous on August 8, 2019

62 found this helpful

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Don't go without it

The following review is for SDBSK2, which is a part of the bundle you are viewing.

This really helps with overall sound quality, especially mid-bass in my experience. NVX offers excellent quality at better prices are than other popular sound deadening brands.

By Anonymous on September 9, 2019 Checkmark Icon

Verified purchase

60 found this helpful

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Very Thick Dynamat

The following review is for SDBSK2, which is a part of the bundle you are viewing.

This product is very thick compared to cheap versions. Priced excellent. If you want to reduce any vibration or road sound, choose this!

By Adrian on June 21, 2020 Checkmark Icon

Verified purchase

59 found this helpful

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Very pleased

The following review is for SDBSK2, which is a part of the bundle you are viewing.

I am glad I went with this brand. Easy application and works great in keeping my Corolla quiet and audio clean.

By Anonymous on November 26, 2019

59 found this helpful

Report abuse

NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Thick and heavy. I was suprised with the actual quality. For the price they’re great quality

By Anonymous on June 22, 2018

61 found this helpful

Report abuse

Good product

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Sticky and did hook well to the cars body . Got it for free with my speakers purchase. Sonic electronix for life

By Anonymous on October 6, 2019

58 found this helpful

Report abuse

NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

For the price, I wish it came with a bit more of the material compared to other packages, but it definitely does what it's supposed to and will make a noticeable difference if you knock on the door/panel where it was placed vs where it wasn't.

By Anonymous on June 12, 2018 Checkmark Icon

Verified purchase

55 found this helpful

Report abuse

NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Easy to use and reduced vibration, allowing clear sound coming from my door speakers.

By Anonymous on June 8, 2018

54 found this helpful

Report abuse

Great value

The following review is for SDBSK2, which is a part of the bundle you are viewing.

I installed these on each rear door of my 2005 Silverado. Could really hear a difference in sound quality.

By Reid on March 28, 2018

55 found this helpful

Report abuse

NVX SDBSK2 Premium Stealth Black

The following review is for SDBSK2, which is a part of the bundle you are viewing.

Great product, Sonic Electronix is great. I've ordered a few things from time to time and have had no problems. I get the item quickly. I ordered this and was so pleased. I ordered another set. Works great.

By Joshua on May 25, 2020 Checkmark Icon

Verified purchase

50 found this helpful

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See all 49 reviews

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