Kicker KS Series 51KSS6904 6x9-inch Component Speakers, 4 Ω, Pair

Kicker 51KSS6904 is a 6x9-inch KS-Series 2-way component speaker system designed for upgraded car audio front-stage or rear-stage installations. The separate-driver layout gives builders more placement flexibility than coaxial speakers when improving imaging, clarity, and factory-speaker output.

Key Performance Features

• 6x9-inch 2-way component speaker system
• Separate-driver layout for improved placement flexibility
• 4 Ω nominal impedance
• Designed for upgraded car audio speaker systems
• Useful for front-stage or rear-stage component upgrades

System Architecture

• Type: Component speaker system
• Size: 6x9-inch
• Nominal Impedance: 4 Ω
• Driver Layout: 6x9-inch woofers and separate tweeters
• Application: Car audio speaker upgrade

Power Handling / Output

• RMS Power: Verify against Kicker specifications before amplifier matching
• Peak Power: Not provided

Driver / Construction

• Separate woofer and high-frequency driver layout
• External crossover components where applicable
• Designed for improved placement and system tuning flexibility

Installation Use Cases

• Factory speaker replacement where compatible
• Front-stage component speaker upgrades
• Custom door, dash, or rear-deck installations

Technical Specifications

• Brand: Kicker
• Series: KS
• Model: 51KSS6904
• Product Type: Component speaker system
• Size: 6x9-inch
• Impedance: 4 Ω

Identifiers & Packaging

• MPN: 51KSS6904
• UPC: 713034045366
• Sold As: Pair
• Included Components: Component speaker system, crossovers where applicable, grilles where applicable, mounting hardware, documentation

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in car audio, marine audio, and vehicle-specific integration
• Expert support for speaker selection, amplifier matching, and clean system setup