Our audio upgrades are specially designed for your BMW and 100% retrofittable. Enjoy superior sound, more dynamics and powerful low frequency reproduction.

SKU: Boxmore DSP Extreme Category: Tags: , , , , , , , ,


The “Gladen Boxmore BMW DSP Extreme Sound System” includes:

  • 6 x speakers with Extreme Woofer
  • 1 x 610 Watt amplifier
  • 1 x DSP-Sound-Setting
  • 1 x Plug & Play cable set
  • insulation material

The adaptation of all components to your BMW guarantees an optimal and invisible result.

DSP Extreme:
Good is not good enough? Lovers of unprecedented dynamics and powerful tones at maximum volume choose the Extreme DSP System. Thanks to the more powerful woofer, the sound pressure in the low frequency range is further increased.

The installation of a Boxmore BMW sound system in a modern BMW must be done by experts.
Have your Boxmore Audio Upgrade expertly assembled by a specialist dealer near you.
Thus you get 3 years warranty on the Gladen components.

Perfect sound:
High quality speakers form the basis of our upgrade systems.
Not only are they better in quality than the standard speakers, they are also more durable.
Our subwoofer is 67% larger than the standard woofers from BMW for its perfect fit.
The bass sounds fuller, more spacious and much deeper, creating an incredibly dynamic sound.
A missing treble loudspeaker is a weak point of the BMW audio system.
All Boxmore BMW sound systems come with a high-quality 25 mm soft-dome tweeter that guarantees unbelievable detail resolution in the treble range.

More volume:
More dynamics and maximum enjoyment.
Thanks to the high quality of the 520 Watt / 610 Watt amplifier, the sound remains clear and dynamic, even at full volume.

Optimally integrated:
Our loudspeakers fit perfectly into the mounting positions provided by BMW.
Thanks to the Plug & Play cable sets, the vehicle remains in its original state.

Attention: Please forward us when ordering your chassis number as the cable harness is pre-configured by Gladen for your vehicle.

Compatibility list (PDF)


Delivery Times

We endeavour to deliver your order within 3 - 4 working days. We strive to keep all products sold on in stock, but high demand occasionally results in delayed delivery.