Ground Zero is a German company that has been manufacturing and developing speakers for your car since 1975.

These speakers are designed using Klippel optimization to precisely match the original BMW subwoofer locations.

Passed the 600WRMS "torture" test - High-efficiency, high-quality car subwoofer designed to work in a small box - Reinforced paper cone diffuser coated with a special layer - Optimized magnet structure for maximum efficiency - high-efficiency copper voice coil, POLYCOT audiophile spider Power: 600W RMS Impedance: 2 x 2 Ohm Sensitivity: 87.

Ground Zero is a German company that has been manufacturing and developing speakers for your car since 1975.

Ground Zero is a German company that has been manufacturing and developing speakers for your car since 1975.

Ground Zero is a German company that has been manufacturing and developing speakers for your car since 1975.

Ground Zero is a German company that has been manufacturing and developing speakers for your car since 1975.

5-inch, 2-way coaxial speakers with a solid HQPP cone and 3 ohm impedance.

Ground Zero is a German company that has been manufacturing and developing speakers for your car since 1975.

Space-saving subwoofer.

Universal wireless music streaming receiver with waterproof chrome panel and touch screen LED lighting 3.

SPL High Power Amplifier Made in Brazil Class D technology Variable active crossover and bass boost Stabilized high voltage power supply Large terminals A solid radiator with the inscription "Ground Zero" Especially qualified for SPL and SQL applications  TECHNICAL DATA Model Pure competition SPL amplifier Channels 1 Output Power (@ 1Ω/12.

SPL high power amplifier Made in Brazil Class D technology Variable active crossover and bass boost Stabilized high voltage power supply Large terminals Sturdy radiator with Ground Zero lettering Highly qualified for SPL and SQL programs TECHNICAL DATA Model Pure competition SPL amplifier Channels 1 Output Power (@ 1Ω/12.

SPL High Power Amplifier Made in Brazil Class D technology Variable active crossover and bass boost Stabilized high voltage power supply Large terminals A solid radiator with the inscription "Ground Zero" Especially qualified for SPL and SQL applications TECHNICAL DATA Model Competition SPL amplifier Channels 1 Output Power (@ 4Ω) 12000 Watts RMS Output Power (@ 1Ω) 20000 Watts RMS Frequency Response 10 - 500 Hz HPF / LPF / BPF ● / ● / ● Bass Boost / Phase control ● / ○ High-Level Input / Auto-on ○ / ○ Remote Control ○ BIAS Setting ○ Linkmode ○ Dimensions (wxhxh) 227.

SPL High Power Amplifier Made in Brazil Class D technology Variable active crossover and bass boost Full range frequency response Stabilized high voltage power supply Large terminals A solid radiator with the inscription "Ground Zero" Especially qualified for SPL and SQL applications  TECHNICAL DATA Model Competition SPL amplifier Channels 1 Output Power (@ 2Ω) 9000 Watts RMS Output Power (@ 1Ω) 13700 Watts RMS Output Power (@ 1Ω/12.

Hi-End high-end 4-channel car audio amplifier with integrated active filter, BIAS (class A-AB) adjustment and high-quality parts that true music lovers will appreciate! High-end 4-channel SQ amplifier AB class technology Variable active crossover and bass boost, phase shift Variable BIAS setting Selected high-quality components Gold plated connectors Exclusive radiator with engraved "Ground Zero" letters Acrylic bottom panel with LED lighting Suitable for high quality SQ settings TECHNICAL DATA Model High-End SQ amplifier Channels 4 Output Power (@ 4Ω) 4x 120Watts RMS Output Power (@ 2Ω) 4x 220 Watts RMS max.

Hi-End high-end 4-channel car audio amplifier with integrated active filter, BIAS (class A-AB) adjustment and high-quality parts that true music lovers will appreciate! High-end 4-channel SQ amplifier MOSFET technology Variable active crossover with bypass function Variable BIAS setting High quality components Strong clamps Efficient radiator with illuminated Ground Zero letters TECHNICAL DATA Model 4-channel high-performance SQ amplifier Channels 4 Output Power (@ 4Ω) 4x 125 Watts RMS Output Power (@ 2Ω) 4x 225 Watts RMS Output Power (@ 1Ω) 4x 350 Watts RMS max.

2 ohm stable stereo Adjustable BIAS control (individually for each pair of channels) High End WIMA® capacitors The latest BURR-BROWN® operational amplifiers LED indicators Wideband adjustable high and low pass filters Band-pass function with activated LPF and HPF Adjustable input sensitivity "Soft delayed" remote activation Thermal/speaker short circuit/overload/over current protection Temperature sensor controlled cooling fan  TECHNICAL DATA Model Sound quality amplifier Channels 6 Output Power (@ 4Ω) 4x 110 + 2x 160 Watts RMS Output Power (@ 2Ω) 4x 160 + 2x 280 Watts RMS max.