KS-Series Component Systems are stunning, accurate upgrades with extraordinary mounting flexibility. Powerful magnets and EVC (Extended Voice Coil) technology give you deep, smooth bass, with flexible mounting options. KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. The high-performance woofers utilize internally dampened polypropylene cones and tough rubber surrounds for outstanding midrange detail and pounding bass! Completely redesigned with new cones, voice coils and crossovers, KS-Series Coaxial Speakers are a serious upgrade from your factory sound.
KS-Series Component Systems are stunning, accurate upgrades with extraordinary mounting flexibility. Powerful magnets and EVC (Extended Voice Coil) technology give you deep, smooth bass, with flexible mounting options. KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. The high-performance woofers utilize internally dampened polypropylene cones and tough rubber surrounds for outstanding midrange detail and pounding bass! Completely redesigned with new cones, voice coils and crossovers, KS-Series Coaxial Speakers are a serious upgrade from your factory sound.
Kicker Ks Series Component Speaker System 125W Rms, 6.5", 51KSS6504
KS-Series Component Systems are stunning, accurate upgrades with extraordinary mounting flexibility. Powerful magnets and EVC (Extended Voice Coil) technology give you deep, smooth bass, with flexible mounting options. KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. The high-performance woofers utilize internally dampened polypropylene cones and tough rubber surrounds for outstanding midrange detail and pounding bass! Completely redesigned with new cones, voice coils and crossovers, KS-Series Coaxial Speakers are a serious upgrade from your factory sound.
KS-Series Component Systems are stunning, accurate upgrades with extraordinary mounting flexibility. Powerful magnets and EVC (Extended Voice Coil) technology give you deep, smooth bass, with flexible mounting options. KICKER KS-Series Speakers let you play at concert-like volume, yet maintain the smoothness and subtlety to please even the most selective ear. The high-performance woofers utilize internally dampened polypropylene cones and tough rubber surrounds for outstanding midrange detail and pounding bass! Completely redesigned with new cones, voice coils and crossovers, KS-Series Coaxial Speakers are a serious upgrade from your factory sound.
in 27 offers
The lowest price for Kicker Ks Series Component Speaker System 125W Rms, 6.5", 51KSS6504 right now is $335.62 at eBay.com.au, compared across 20 retailers.
The all-time low was $282.36 on 24 June 2026 — today's price is 19% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 13 Oct 2026.
Last updated at 13/10/2026 22:45:45
Kicker 51KSS6504 Component Speaker System - 2-Way Design, 6.5" Woofers, 1" Tweeters, External 12dB Crossovers, 125W RMS, 250W Peak
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Kicker 51kss6504 / Ks Series (6 1/2") 6.5" Component Speaker Set
Delivery $88.83
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
6.5" (160mm) 125 Watts RMS Components (51KSS6504) by Kicker - Outback Equipment Australia
Delivery between Fri – Tue $30.10
Kicker 51KSS6504 6.5-Inch Component Speakers
Delivery by Tue $29.99
Kicker 51KSS6504 6.5" (160mm) 125 Watts RMS Components
Delivery $9.95
Kicker 51KSS6504 – 6.5′′ (160mm) 125 Watts RMS Component Speakers
Delivery $13.95
KICKER KS Series 6.5" 2-Way Component Speaker System
Delivery between 19–27 Oct $15
Kicker 51KSS6504 – 6.5′′ (160mm) 125 Watts RMS Components
Free delivery between 20–28 Oct
KICKER 51KSS6504 6.5" KS Series Component Speakers | 125W RMS
Delivery between 19–27 Oct $12
Kicker KS-Series 6′′ 2-way Component Speakers - 51KSS6504
| Waterproof | No |
| RMS Output | 15-125 W |
| Maximum Output | 250 Watts |
| Channels | 2-way |
| Quantity | 1 |
Kicker 51KSS6504 Component Speaker System - 2-Way Design, 6.5" Woofers, 1" Tweeters, External 12dB Crossovers, 125W RMS, 250W Peak
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Kicker 51kss6504 / Ks Series (6 1/2") 6.5" Component Speaker Set
Delivery $88.83
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
6.5" (160mm) 125 Watts RMS Components (51KSS6504) by Kicker - Outback Equipment Australia
Delivery between Fri – Tue $30.10
Kicker 51KSS6504 6.5-Inch Component Speakers
Delivery by Tue $29.99
Kicker 51KSS6504 6.5" (160mm) 125 Watts RMS Components
Delivery $9.95
| Waterproof | No |
| RMS Output | 15-125 W |
| Maximum Output | 250 Watts |
| Channels | 2-way |
| Quantity | 1 |
