GROUND ZERO GZUC 165.3SQ 165 mm 3-way 250 Watts max 6.5″ sound quality 3-way component loudspeaker system with 2.17″ silk dome midrange and 1.1″ silk dome tweeter

GZRW-25XSPL Subwoofer High Power 10” SPL Subwoofer High-Roll Sandwich Surround 63 mm / 2.5” Copper Voice Coil Diameter 250 mm / 10" Voice coil 63 mm Kupfer / 2.5" Copper Power Handling 1200 W SPL Power Impedance 2 x 2 Ohm SPL 85 dB Fs 44.8 Hz

GZUW-10SQX Subwoofer Strong paper cone Dual voice coil 2 x 2 Ohm Diameter 250 mm / 10" Voice coil 50 mm Runddraht / 2" Round wire Power Handling 450 WRMS SPL 85.2 dB Fs 46.7 Hz

GZPA Reference 2PURE Amplifier 2 Channel High End amplifier - 2700 Watt Max - High-End pure sound quality amplifier - 1 Ohm stabile stereo / 2 Ohm bridged - Symmetrical dual-mono direct-signal layout - Shielded and separated dual power supply - Continuously variable Bias Setting Class AB -> nearly Class A - Adjustable input sensitivity - Soft delayed remote turn-on - Power & Protection indicator - Thermal, over current, speaker short, Speaker DC protection - Temperature-sensitive controlled fan - Plexiglas bottom plate - White LED illumination inside - High quality Rhodium RCA plugs - Selected high-end SANKEN® transistors - Low distortion LM4562 OP with 0.00003% THD+N - Ground Zero exclusive Mundorf Mcap® capacitors - Special made audio-optimized Mundorf secondary capacitors for maximum buffering - Capsuled ALPS potentiometers with channel separated level adjustment and summarize-function - Low-tolerance Vishay Dale emitter-resistors for accurate bias point stabilization - Copper anodized aluminum strand cast heatsink