Kicker KS Series 51KSC3504 3.5" Coaxial Speakers, 50W RMS, 4Ω, Pair

Kicker 51KSC3504 is a KS Series 3.5-inch 2-way coaxial speaker pair designed for compact factory speaker locations and full-range vehicle audio upgrades.

Key Performance Features

• 3.5-inch 2-way coaxial speaker pair
• 15–50 W RMS recommended amplifier power
• Silk-dome tweeters for smooth high-frequency output
• Polypropylene woofer cones with rubber surrounds
• Thin tweeter protrusion for factory grille clearance

System Architecture

• Type: 2-way coaxial speaker pair
• Application: Compact factory speaker replacement
• Nominal Impedance: 4 Ω
• Recommended Amplifier Power: 15–50 W RMS

Power Handling / Output

• Recommended Power: 15–50 W RMS

Driver / Construction

• Polypropylene woofer cone
• Rubber woofer surround
• 0.5-inch silk-dome tweeter
• Neodymium tweeter magnet
• No grilles included

Installation Use Cases

• Dash speaker replacement
• Compact factory speaker locations
• Amplified or radio-powered daily-driver speaker upgrades

Technical Specifications

• Brand: Kicker
• Series: KS Series
• Model: 51KSC3504
• Speaker Design: 2-way coaxial
• Woofer Size: 3.5 in. (89 mm)
• Tweeter Size: 0.5 in. (13 mm)
• Impedance: 4 Ω
• Sensitivity: 88 dB
• Frequency Response: 80 Hz – 20 kHz
• Top Mount Depth: 1-5/8 in. (41.5 mm)

Identifiers & Packaging

• MPN: 51KSC3504
• UPC: 713034058397
• Sold As: Pair (2 speakers)
• Included Components: Two coaxial speakers, 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 product selection, amplifier matching, and clean system setup