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The Kicker 51KSS365 is a KS Series 6.5" 3-way component speaker system rated at 80W RMS, comprising a 6.5" woofer, 2.75" midrange and 1" tweeter. It is designed for UK and European vehicles with slim factory speaker locations.
Key specifications
- Configuration: 3-way component
- Woofer: 6.5" (160 mm); midrange 2.75" (70 mm); tweeter 1" (25 mm)
- Recommended power: 15–80W RMS (160W peak)
- Impedance: 4 ohms
- Sensitivity: 91 dB (1W/1m)
- Frequency response: 35Hz–21kHz
- Woofer mounting: 115 mm hole, 46 mm depth
- Crossover: 12dB high-pass at 4,000Hz
KS 6.5" (160 mm) 3-Way Component Speaker System
51KSS365
Kicker's KS Series speakers deliver high-volume, detailed audio. Polypropylene cones and rubber surrounds provide deep bass and clear midrange, while the slim profile fits most factory speaker locations without modification.
Strong magnets and EVC™ (Extended Voice Coil) technology give these speakers rich bass and flexible installation options. They can be used as separate component speakers or configured as high-end coaxials.
The KSS365 3-way component system is designed to fit many UK and European vehicles, with slimline speakers and a compact crossover for a balanced, easy installation.
Features
- Concert-level clarity and volume
- Easy installation using factory mounting points
- Ultra-thin design for a precise fit
- Adjustable tweeter mounting – angled, surface, or flush
- Includes three mounting brackets for 2.75" midrange
Explore the full range in Kicker KS Series Speakers.
Specification
| Model | 51KSS365 |
|---|---|
| Woofer (in, mm) | 6.5, 160 |
| Midrange (in, mm) | 2.75, 70 |
| Tweeter (in, mm) | 1, 25 |
| Impedance | (Ohms) 4 |
| Rec. Amplifier Power (watts) | 15-80 |
| Peak Power (watts) | 160 |
| Sensitivity | (dB 1w/1m) 91 |
| Frequency Response | (Hz) 35-21k |
| Woofer Mounting Hole Diameter (in, mm) | 4.5, 115 |
| Woofer Mounting Depth (in, mm) | 1-13/16, 46 |
| Woofer Grilles Included | Yes |
| Flush Mount Tweeter Depth | 17mm |
| Crossover | 12dB high-pass at 4,000Hz |
What's Included
- Kicker 51KSS365
Kicker
About the Kicker 51KSS365
From our tech experts at CEN
A 6.5 inch component set, with separate tweeters that can be mounted higher up where you will actually hear them, rated at 80w RMS.
Who it suits
Drivers who want the best result from a door upgrade and are happy for tweeters to be mounted separately, which usually means a professional fit.
Our tech experts advise
Speaker sizes, adapter rings and harnesses vary by vehicle, year and trim, so we confirm what your car takes before ordering rather than guessing. Treating the door skin matters as much as the speaker: a good driver in an untreated door is doing half a job. Installation is priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
Explore the full Kicker range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Kicker
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do I need an amplifier to run these speakers?
A: Not always. Most speakers will run from a standard head unit, but a dedicated amplifier lets them perform at their best, particularly for component sets and higher power handling models. The RMS figure in the Specification tab is the guide to how much clean power they can use.
Q: What is the difference between coaxial and component speakers?
A: Coaxial speakers combine the tweeter and woofer in one unit for a simple like-for-like upgrade. Component sets separate the tweeter and woofer with a crossover for better imaging and detail, and suit installs where sound quality is the priority.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
Q: What drivers are in the Kicker KSS365 3-way system?
A: Each side has a 6.5 inch woofer, a 2.75 inch midrange and a 1 inch tweeter. Three mounting brackets for the 2.75 inch midrange are included.
Q: How much power does the KSS365 need?
A: Kicker recommends 15 to 80 watts RMS, with a 160 watt peak rating, at 4 ohms.
Q: How can the KSS365 tweeters be mounted?
A: The tweeters can be angle, surface or flush mounted. The flush mount depth is 17 mm.
