Package Included

• Focal INSIDE ISBMW100KL 4" 2 Way Component Car Speaker System
• Stinger RKXSK Expert Sound Proofing Deadening Material 2 Sheet Speaker Kit

2-Way Component Kit

IS BMW 100KL is a 2-way component kit designed for BMW drivers looking to upgrade their factory audio system with a high-fidelity solution tailored to their vehicle. It features Focal’s iconic K2 Sandwich cone, which offers an ideal balance of weight, rigidity, and damping — delivering powerful, dynamic sound reproduction. The kit also includes TKM inverted dome “M” tweeters, capable of reproducing high frequencies up to 22 kHz, ensuring exceptional precision and smoothness in the treble range. A premium solution for an immersive and detailed in-car listening experience.

Specifications

• Nominal power 60W RMS
• Maximum power 120W
• Sensitivity 84dB
• Nom. impedance 4Ω
• Cone Sandwich K2
• Surround Butyl
• DC resistance 3.47Ω
• VC diameter 25mm 1"
• Former Kapton
• Layers 2
• Wire Copper
• Net weight 400g 0.88lbs

Parameters

• Rdc 3.47Ω
• Fs 122.7Hz
• Mms 6.99g
• Cms 0.24mm/N
• Vas 0.86l
• Qts 0.974
• Qes 1.21
• Qms 4.98
• Bxl 3.93N/A
• Sd 50.27cm2
• SPL 83.2dB
• Xmax 2mm

Design 

• Depth behind surface (Mounting depth) : 36 mm / 1.42 in

Stinger RKXSK Expert Sound Proofing Deadening Material 2 Sheet Speaker Kit

• Expert level sound dampening
• Aluminum outer layer
• Self adhesive
• Easy installation
• Use on all metal panels, doors, roof, floor, firewall & trunk
• Kills panel resonance, squeaks and rattles
• Highest damping vs. weight ratio of any material available
• Improves overall audio frequency response and bass output
• Speaker kit

Expert RoadKill Published Specifications

• Minimum Thickness 0.080in
• Minimum Weight 0.65bs/ft2
• Aluminum Layer- 6 mils

Note: This item/pack is sold as a pair and contains 2 speakers and 2 tweeters