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Kicker KSS650 KS Series 6-1/2" 2-way component speaker system

Item # 20651KSS65

Hearing the Kicker KS-series speakers will make you wonder why you waited to replace your factory speakers.

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Hearing the Kicker KS-series speakers will make you wonder why you waited to replace your factory speakers.

Item # 20651KSS65

In stock

Deeply discounted installation gear

$249.99 -$37.03 Instant savings
$212.96

About the Kicker KSS650

Dave Delamere

Musical detail

Kicker designed their KS Series lineup to be a substantial step-up from your factory speakers. The KSS650 6-1/2" component system features two woofers for satisfying bass and a pair of silk dome tweeters that deliver smooth vocal and instrumental details. This system's outboard crossovers direct frequencies where they need to go and let you tweak the tweeter levels depending on your taste. What does that all mean for you? You'll finally hear what most factory speakers don't provide — a full spectrum of natural sound.

Musical detail

Kicker designed their KS Series lineup to be a substantial step-up from your factory speakers. The KSS650 6-1/2" component system features two woofers for satisfying bass and a pair of silk dome tweeters that deliver smooth vocal and instrumental details. This system's outboard crossovers direct frequencies where they need to go and let you tweak the tweeter levels depending on your taste. What does that all mean for you? You'll finally hear what most factory speakers don't provide — a full spectrum of natural sound.

Why choose components?

In a component system, the tweeter is separated from the woofer so that it can be mounted higher up in the car for a more direct path to your ears. The crossover network in a component system uses high-quality components to ensure a sharp delineation between the frequencies sent to the woofer and tweeter. While installing components can mean a little more installation time, your music will sound more realistic, more "live," and have greater depth and imaging. If a component system doesn't suit your application, these speakers can be converted into 2-way speakers by mounting the tweeter directly into the woofer.

Kicker KS Series 51KSS6504 6-1/2" 2-way component speaker system

The polypropylene woofer and rubber surround are designed to last.

Great performance with high or low power

While we'd recommend using an aftermarket amp to power this system, the KS Series features a highly sensitive design that conjures hefty volume even from low-powered factory radios. If you're thinking about adding an amplifier to your components, our car amplifier buying guide is a great resource.

Fit matters

These low-profile woofers and smartly designed 1" tweeters feature a reduced mounting depth, making them a match for more vehicles than ever. Kicker includes tweeter mounting brackets for a variety of mounting options.

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Product highlights:

  • component speaker system includes 2 woofers, 2 tweeters, and 2 crossovers
  • 6-1/2" polypropylene woofer cone with rubber surround
  • 1" silk dome tweeter with four mounting options
  • external crossover network with 3 tweeter levels (0, +4.5, +9 dB)
  • handles up to 125 watts RMS (250 watts peak power)
  • can be installed as separate components or as 2-way speakers
  • frequency range: 35-21,000 Hz
  • sensitivity: 90 dB
  • woofer top-mount depth: 1-13/16"
  • impedance: 4 ohms
  • grilles included
  • warranty: 2 years
  • MFR # 51KSS6504

What's in the box:

  • Two KSS650 Woofers
  • Two phase plugs (installed)
  • Two 1" Tweeters (each with 6" Wire attached)
  • Two Multi-purpose woofer brackets
  • Two woofer grilles
  • Two grille mounting rings
  • Two crossovers
  • Two upper tweeter mounting posts
  • Two lower tweeter mounting posts
  • Two tweeter housings
  • Two tweeter housing washers
  • Two flush mount rings (tweeter)
  • Two front angle rings (tweeter)
  • Two back angle rings (tweeter)
  • Two short mounting nuts (tweeter)
  • Two long mounting nuts (tweeter)
  • Two surface mount pods
  • Two pod nuts
  • Tweeter tool
  • Two 10" Zip ties
  • Two adhesive backed foam pads
  • Grille putty
  • Four red plastic wire caps
  • Two M4x7mm Machine screws
  • Twelve 1-1/8" Screws
  • Quick-Start guide (English/ Spanish/ German/ French)
  • Woofer template

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More details on the Kicker KSS650

Pat M.

Features & specs

General
Speaker Size 6 1/2
Design 2-way
Tweeter Design 1" Dome
Impedance (Ohms) 4
Tweeter Composition Silk
Woofer Composition Polypropylene
Woofer Surround Rubber
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity (1W at 1 meter) 90
Sensitivity at 2.83 volts N/A
Frequency Response 35 - 21k Hz
Minimum RMS Wattage 15
Maximum RMS Wattage 125
Peak Power Handling (Watts) 250
Top-mount Depth (Inches) 1 13/16
Bottom-mount Depth (Inches) 2 3/16
Cutout Diameter or Length (inches) 4 13/16
Mounting Height (Inches) 0.378
Frame Width 6.242
Frame Length 6.242
The Kicker KSS650 replaces these items:

Product Research

Features

Woofer Mounting: The speaker baskets have multiple mounting holes and are designed to fit a standard 3-hole 6½" applications and Ford's 4-hole 6½" application. With the extended mounting "ears" around the perimeter of the frame, they also fit many 6¾" applications, but a speaker baffle should be used to seal the inner ring of screw holes. Kicker also makes a dedicated 6¾" speaker in this series (item number 20651KSS67) that is often a better fit for those applications. Adapter brackets are also included that are compatible with other factory speaker applications. Please enter your vehicle information to confirm fit.

Tweeter Mounting Options: The tweeters include brackets to allow multiple mounting configurations; flush-mount, angle-mount, and surface-mount. The surface mount pods are mounted to a threaded, hollow shaft and have a ball-and-socket joint, so they can be turned in any direction, and angled to approximately 40˚.

Tweeter Dimensions:

  Flush Angle Surface
Mounting Height 0.25" 0.625" 3.15"
Mounting Depth 0.6" 0.65" 0.75"
Frame Diameter 2.045" 2.1" 2.3" x 1.9"
Cutout Diameter 1.662" 1.787" 0.475"

Coaxial Tweeter Mount: In addition to standard tweeter mounting options, the included tweeter mounting posts let you mount the tweeters directly to the center of the woofers, giving you a standard coaxial speaker. The tweeter can be angled up to 12° when coaxially mounted. When the tweeter is attached to the woofer the mounting height increases to 1.078" (top mount) and the tweeter protrusion increases to 0.72" (bottom mount).

Crossovers: The component system includes 12 dB/octave passive crossovers for the tweeters. (Both the woofers and tweeters are wired through the crossovers, but only the tweeters are filtered.) The crossover point is 4,000 Hz. A switch on each crossover allows you to adjust the tweeter output; 0 dB, +4.5 dB, or +9 dB. Each crossover has input and output wires are attached; the 34" woofer outputs have quick slides that connect directly to the woofer terminals and the 32" tweeter outputs have quick slides that mate to the terminals on the wire attached to the tweeters. The 34" input wires are not terminated. The crossovers' dimensions are:

  • Length: 4"
  • Width: 2⅞"
  • Height: 1⅛"

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