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KICKER 51KSS6904 Car Audio Speakers Tweeters 613826573100 6X9

51kss6904 Kicker Pair 6x9 Inch Car Audio Component Speakers With 1 Tweeters

( Brand: Kicker ), ( Manufacturer Part Number: 51KSS6904 ), ( Country Of Origin: China ), ( UPC: 613826573100 ), ( Speaker Size: 6x9in. ), ( Type: Component Speaker System ), ( Rms Power: 150w )

Review KICKER Pair 6x9 Inch Car Audio Component Speakers Tweeters

Introducing the Kicker 51KSS6904 6x9 Car Audio Speakers, a high-performance addition to your automobile's sound system. These speakers are part of Kicker's KS-Series, known for delivering powerful and clear sound.

The 51KSS6904 speakers feature a 6x9 inch design, which is a popular size for providing balanced and detailed mid-range frequencies. The speakers are two-way, meaning they include separate woofers and tweeters to handle different frequency ranges. The woofers are made of a polypropylene cone with a rubber surround, ensuring durability and flexibility. The tweeters are made of a PEI dome material, which is lightweight and capable of producing crisp and clear high frequencies.

These speakers also come with a number of features designed to improve their performance. They have a frequency response range of 45 Hz to 20 kHz, allowing them to reproduce a wide range of sounds. Their nominal impedance is 4 ohms, making them suitable for use with a variety of car audio amplifiers. They also have a power handling capacity of 75 watts RMS (Root Mean Square) per speaker, ensuring they can handle high power levels without distortion.

The Kicker 51KSS6904 speakers have a sleek black finish, making them a stylish addition to any car interior. They are also grille-less, giving them a modern and clean look. The speakers come with mounting hardware and a set of installation instructions, making the installation process as straightforward as possible.

In summary, the Kicker 51KSS6904 6x9 Car Audio Speakers are a great choice for anyone looking to upgrade their car's sound system. With their powerful and clear sound, durable construction, and easy installation, these speakers are sure to impress even the most discerning of audiophiles.

The Kicker 51KSS6904 6x9 car audio speakers are a popular choice for those looking to upgrade their in-car audio system. Here are some pros and cons that might help you make an informed decision.

Pros:

1. Power Handling: These speakers can handle up to 60 watts RMS (Root Mean Square) per speaker, which makes them ideal for those who enjoy listening to music at higher volumes.

2. Sensitivity: With a sensitivity rating of 91.7 dB, these speakers are efficient and can produce good sound levels even with a modest power source.

3. Frequency Response: These speakers have a wide frequency response range of 45 Hz to 22 kHz, which means they can reproduce a broad range of sound frequencies, resulting in clear and detailed audio.

4. Durability: Kicker is known for its durable speakers, and the 51KSS6904 model is no exception. They have a polypropylene woofer cone and a rubber surround, making them suitable for rough road conditions.

5. Sound Quality: These speakers offer clear and balanced sound quality, making them a great choice for both music and speech.

Cons:

1. Size: These speakers are larger than standard 6x9 sizes, which might not fit in all cars without modifications.

2. Mounting Depth: They require a mounting depth of 3 inches, which might not be suitable for all vehicles.

3. Bass Response: While these speakers offer good sound quality overall, they might not provide the deepest bass response, especially when compared to dedicated subwoofers.

Conclusion:

The Kicker 51KSS6904 6x9 car audio speakers are an excellent choice for those who want clear, balanced sound quality and can accommodate their larger size and mounting depth requirements. They offer good power handling, efficiency, durability, and frequency response, making them a great investment for music lovers who prefer listening to their tunes at higher volumes.

Recommendation:

If you're looking for a high-performance 6x9 car audio speaker system that offers clear sound quality and can handle higher power levels, the Kicker 51KSS6904 speakers are a great choice. However, make sure your vehicle has the necessary space and mounting depth to accommodate these speakers before making a purchase.

Details:

Experience your music as a component system with separate tweeters, or high-end coaxial. Pair Kicker 51KSS6904 6X9 Car Audio Component Speakers w/1 Tweeters. The woofers removable bullet-style phase plug is replaced with a special adapter, allowing the 25 millimeter, silk-dome tweeters to rotate and tilt. You get more system design options and superior off-axis performance.

Four tweeter mounting options. Thumbnails to: Condition and Warranty: condition: USED. Warranty: 1 YEAR AUDIOSAVINGS. Stage, KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even most selective ear.

Dome Material: Silk. Low Pass dB, at Frequency Hz: None.. Thin-mount design easily fits behind factory grilles.

Smaller crossover makes mounting even easier. Articulating tweeter pod included. Polypropylene woofer and tough rubber surrounds. Grilles included.

Features: High power handling. Internally dampened polypropylene cones and durable rubber surrounds assist the woofers in creating precise mid range bass, while high-quality silk-dome tweeters deliver natural, detailed highs. They work best with 15 to 125 watts of recommended power. Silk-dome tweeters for a smooth sound.

part #: 51kss6904 prices

  • $187.96-$249.99

specifications classicradiospeakers:

  • brand: Kicker
  • mpn: 51kss6904
  • country of origin: China
  • upc: 613826573100
  • speaker size: 6x9in.
  • type: Component Speaker System
  • rms power: 150w

offer classicradiospeakers:

  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: January 6, 2026

returns classicradiospeakers:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
  • method: Money back

payments classicradiospeakers:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

seller classicradiospeakers:

  • city: Inwood, New York
  • rating: 99.0%
  • # reviews: 816146

shipping classicradiospeakers:

  • transit: 4-4 Days
  • service: Standard, Expedited, Overnight
  • class: Standard, Expedited, One-day
  • cost: $0.00
  • type: Fixed

general classicradiospeakers:

  • condition: Used
  • Vehicle Electronics GPS > Car Audio > Car Speakers Speaker Systems
country of origin: china, speaker size: 6x9in., type: component speaker system, rms power: 150w,
category: auto parts > vehicle electronics gps > car audio > car speakers speaker systems, sku: 15986538576980853,
Kicker 51KSS6904 Is Similar To:
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5 offers $187.96–$249.99 USD
  • Used. Offer #1 priced at $187.96 + $0.00 shipping estimate = $187.96* total. You get more system design options and superior off-axis performance Item Code: .FREE SHIPPING
  • New. Offer #2 priced at $249.99 + $0.00 shipping estimate = $249.99* total. Four tweeter mounting options. Model: .FREE SHIPPING
  • New. Offer #3 priced at $249.99 + $0.00 shipping estimate = $249.99* total. Sound Deadening Material +VGD2525-2 6x9"Component System w/Damping.FREE SHIPPING
  • New. Offer #4 priced at $249.99 + $0.00 shipping estimate = $249.99* total. Impedance: 4 ohm. Kicker KSS69 ( ).FREE SHIPPING
  • Used. Offer #5 priced at $179.99 + $0.00 shipping estimate = $179.99* total. FREE SHIPPING

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