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 24 offers
The lowest price for Kicker Ks Series Component Speaker System 125W Rms, 6.5", 51KSS6504 right now is $335.55 at eBay.com.au, compared across 18 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 9 Oct 2026.
Last updated at 09/10/2026 06:26:25
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 $88.81
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 Ks Series Component Speaker System 125W Rms, 6.5", 51KSS6504
Delivery between 16–19 Oct $15
6.5" (160mm) 125 Watts RMS Components (51KSS6504) by Kicker - Outback Equipment Australia
Delivery between Tue – Thu $30.10
Kicker 51KSS6504 6.5-Inch Component Speakers
Delivery by Wed $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 15–23 Oct $15
Kicker 51KSS6504 – 6.5′′ (160mm) 125 Watts RMS Components
Free delivery between 15–23 Oct
KICKER 51KSS6504 6.5" KS Series Component Speakers | 125W RMS
Delivery between 13–21 Oct $12
| 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 $88.81
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 Ks Series Component Speaker System 125W Rms, 6.5", 51KSS6504
Delivery between 16–19 Oct $15
6.5" (160mm) 125 Watts RMS Components (51KSS6504) by Kicker - Outback Equipment Australia
Delivery between Tue – Thu $30.10
Kicker 51KSS6504 6.5-Inch Component Speakers
Delivery by Wed $29.99
| Waterproof | No |
| RMS Output | 15-125 W |
| Maximum Output | 250 Watts |
| Channels | 2-way |
| Quantity | 1 |
