Skip to content
FREE UK DELIVERY ON ALL ORDERS (ORDER CUTOFF TIME 3PM) ORDER CUTOFF TIME 3PM

Returning Customer

or

Your basket

Your basket is empty.

Focal

Focal INSIDE ISBMW100K 4" 2 Way Component Speaker System

  • Availability:In Stock
  • Available:4 in stock
  • Item Condition:New
  • Brand:Focal
  • Product Code:ISBMW100K + RKXSK
  • EAN / UPC:7427288187675
  • Warranty:1 Year Warranty
£449.99
Order within for same-day dispatch
Addons

Package Included

  • Focal INSIDE ISBMW100K 4" 2 Way Component Speaker System
  • Stinger RKXSK Expert Sound Proofing Deadening Material 2 Sheet Speaker Kit

2-Way Component Kit

IS BMW 100K 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.

Key Points

  • Developed and manufactured in France
  • Do it yourself quick installation
  • Seamless integration into the cabin
  • High quality soundstage
  • Dedicated manufacturer connector
  • Installation video tutorial (available)

Specifications

Specifications

Type 2-way component kit
Woofer 4” (100mm)
Depth 1 5/8” (41mm)
Magnet Neodymium
Cone Sandwich K2 cone
Tweeter TKM (‘M’ profile aramid fibre
inverted dome tweeter)
Nominal impedance 4 Ω
Maximum power 120 W
Nominal power 60 W RMS
Sensitivity (2.83 V/1 m) 83,5 dB
Frequency response 80 Hz - 22 kHz
Crossover Separate

Design 

Depth behind surface (Mounting depth)
41 mm / 1.6 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
Focal INSIDE ISBMW100K 4" 2 Way Component Speaker System