GLADEN ONE 201 BMW ALPHA SPEAKER UPGRADE KIT PLUG & PLAY ENHANCEMENT KIT Stage 1 Induction Kit crossover frequency 80 - 100

crossover frequency 80 - 100 Hz Vented box For one subwoofer For two subwoofersNet volume 12 L 24 LPort diameter 60 mm / 2

the unique 4-inch (100mm) chassis design with supplied mounting brackets and factory wire connections allow the IR-BMW4INT to fit modern BMW models without the need for modification

For earlier pre-facelift models with MMI 3G systems

the "StageXpander" and the "RealCenter" function and thus completely new possibilities in sound tuning

GLADEN ONE 201 BMW ALPHA SPEAKER UPGRADE KIT PLUG & PLAY ENHANCEMENT KIT Stage 1 Induction Kit crossover frequency 80 - 100200 mm speaker system 2 x 130 85 Watts 3 Ohm impedance 100 mm midrange driver 25 mm tweeter Crossovers for semi active operation OVERVIEW GLADEN ONE 201 BMW ALPHA The Gladen One 201 BMW benefits from high experience in loudspeaker design. All chassis have a high efficiency which is achieved by an efficient combination of diaphragm suspension and low moving masses. The loudspeakers are very easy to install in your BMW due to the vehicle specific and