In order to upgrade the basic sound system of a vehicle, GROUND ZERO offers some speaker systems matching the OEM installation positions as well as woofers or subwoofers.
Due to the specific design, no change to the original wiring is necessary.
Therefore, such an upgrade can later be easily restored.
In the compatibility chart the appropriate product for each vehicle is listed if available.
BMW / MINI / ROLLS-ROYCE
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GZCS 4.0BMW-CONNECT
Read moreCar specific wiring harness
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GZCS 100BMW-SQ+A
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100BMW-SQA
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100BMW-SQB
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100BMW-SQC
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100BMW-SQD
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100MINI
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100BMW-SQ+B
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100BMW-SQ+C
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 100BMW-SQ+D
Read moreCar specific 100 mm / 4″ 2-way speaker system
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GZCS 200BMW-SW
Read moreCar specific 200 mm / 8″ woofer
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GZCS 200BMW-SW4
Read moreCar specific 200 mm / 8″ woofer