KICKER 51KSC6804 KS-Series 6x8 Coaxial Speakers - car electronics | Mubboo
KICKER

KICKER 51KSC6804 KS-Series 6x8 Coaxial Speakers

with .75" tweeters, 4-Ohm, Pair

$129.99$149.99Save 13%4.6(619 reviews)
Mubboo Score B-
Buy on Amazon $129.99

Price as of 2026-06-17. Check Amazon for the current price.

Quick Decision

Mubboo Score
B-
Best For
Buyers who prioritize quality over price in car electronics
Skip If
You're on a tight budget
Reviews
619+ · reasonably reliable

Price Intelligence

📊 In car electronics, this is a premium product.
  • Budget:$5–$30
  • Mid-range:$30–$117
  • Premium:$117+← You are here

Is This Right For You?

✅ Great for
  • Buyers who prioritize quality over price in car electronics
  • Those who want a top-rated option — in the top 10% of car electronics by rating
⚠️ Think twice if
  • You're on a tight budget — $45 above the category average of $85
💡 Consider instead
  • Skar Audio RPX69 6-Inch x 9-Inch 3-Way Coaxial Speakers — 50% cheaper at $65 (Score A-)
  • AudioControl The EPICENTER Concert Series Digital Bass — higher rated at 4.8/5 ($149)

📊 Based on data analysis of 83 products in this category.

Mubboo Score: B-

Quality9.2/10
based on 4.6/5 customer rating
Popularity6.8/10
619 reviews, top 66% in car electronics
Value1.9/10
priced below 19% of car electronics
How we calculate the Mubboo Score

Quality (45%): customer rating, normalized to a 10-point scale

Popularity (35%): review volume vs the category leader, log-scaled

Value (20%): price position vs other car electronics

Computed from live Amazon rating, review count, and price across 83 car electronics available to US consumers · last refreshed 2026-06-17.

How It Compares

This Product
KICKER 51KSC6804 KS-Series 6x8 Coaxial Speakers
Most Popular
Rockford Fosgate P1683 Punch 6"x8" 3-Way Coaxial Full Range Speakers
Best Rated
AudioControl The EPICENTER Concert Series Digital Bass
Best Value
Skar Audio RPX69 6-Inch x 9-Inch 3-Way Coaxial Speakers
Price$129.99$109.99$149$65.44
Rating4.6/54.6/54.8/54.5/5
Reviews6199,4462,7075,069
Mubboo ScoreB-A-B+A-

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Verify phone and vehicle compatibility for dash cams to avoid app frustrations, and secure mounts against heat. For speakers, check fitment carefully and pair with an amplifier or subwoofer to overcome bass limitations.

Praised for
  • High-Quality Video/Audio Performance
  • Straightforward Installation and Setup
  • Excellent Value for the Price
  • Compact and Discreet Design
  • Helpful Extra Features
Common complaints
  • App and Connectivity Glitches
  • Build Quality and Mounting Issues
  • Inadequate Bass or Harsh Highs in Speakers
  • Limited Recording Control

Related Video Reviews

About KICKER

  • 17 products in our database
  • Average rating: 4.6/5 across all products
  • Price range: $51.96$359.96
  • Categories: car-electronics, Car Speakers, Car Subwoofers, marine-electronics, speakers

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$5.20 · 4.3 (5,071)
$124.80 less than the 51KSC6804 KS-Series 6x8 Coaxial Speakers, with 4.3★ from 5,071 reviews
Higher rated
AudioControl The EPICENTER Concert Series Digital Bass Restoration Processor, Car Audio Bass Booster Enhancer with Included Dash Mount Wired Remote Control Knob, ParaBASS, Subsonic Filter (Black) - car electronics | Mubboo
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$149 · 4.8 (2,707)
4.8★ vs 4.6★ — rated 0.2 higher by 2,707 reviewers
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13,374 reviews — 21.6× more than the 51KSC6804 KS-Series 6x8 Coaxial Speakers

Bottom Line

KICKER 51KSC6804 KS-Series 6x8 Coaxial Speakers earns Mubboo Score B-. Priced at $130 — a premium option, above the category average of $85. Rated 4.6/5 from 619+ reviews. Strong buy if: buyers who prioritize quality over price in car electronics, those who want a top-rated option. Skip if: you're on a tight budget — Rockford Fosgate P1683 Punch 6"x8" 3-Way Coaxial Full Range Speakers (Score A-, $110) may fit better.

Buy on Amazon $129.99Last verified: 2026-06-17

Frequently Asked Questions

Is the KICKER 51KSC6804 KS-Series 6x8 Coaxial Speakers worth buying in 2026?

It earns a Mubboo Score of B-, with a 4.6/5 rating from 619 reviews — better than 90% of car electronics we track.

How much does the KICKER 51KSC6804 KS-Series 6x8 Coaxial Speakers cost?

It is currently $129.99 — premium-tier pricing for car electronics.

How does the 51KSC6804 KS-Series 6x8 Coaxial Speakers compare to other car electronics?

The category's most-reviewed alternative is the Rockford Fosgate P1683 Punch 6"x8" 3-Way Coaxial Full Range Speakers (4.6/5, 9,446 reviews, $109.99). The 51KSC6804 KS-Series 6x8 Coaxial Speakers carries a Mubboo Score of B- vs A-.

Sources & References

Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-17) and may change.