Ground Zero GZRC 165.2SQ‑IVX | Radioactive Series (6.5″) 2‑Way SQ Component Speaker System

Ground Zero GZ‑RC‑165.2SQ‑IVX | 165 mm (6.5″) 2‑Way SQ Component Speaker System | 120 W RMS | High‑Efficiency Sound Design

The Ground Zero GZ‑RC‑165.2SQ‑IVX is a precision-engineered 2‑way SQ component speaker system, designed for audiophiles who demand clear, dynamic sound with superior efficiency. With a robust 120 W RMS power handling and high 90 dB sensitivity, it delivers powerful performance even when paired with mid-range amplifiers.

Featuring a black anodized aluminum cone, Nomex centering spider, and durable rubber surround, the GZ‑RC‑165.2SQ‑IVX ensures accuracy and low distortion. Mounted in a resonance-free steel basket and equipped with a ferrite motor and separate high-pass/low-pass filters, it offers refined sound reproduction. A protective grille is included for safe and flexible installation.

Product Highlights:

2‑way SQ component speaker system rated at 120 W RMS / 190 W Max with 3 Ω impedance, offering dynamic and efficient audio output

Black anodized aluminum cone, rubber surround, and Nomex spider in a resonance-minimizing steel basket for precise midbass response

Includes GZRT 25SQ tweeter, ferrite motor, and separate high‑pass and low‑pass filters for clean frequency separation and overload protection

90 dB efficiency, delivering impressive volume and clarity with minimal power

Covers a broad frequency response from 35 Hz – 25 kHz, ensuring a balanced full‑range presentation

Protective grille included for enhanced safety and installation versatility

Tech Specs:

Model: GZ‑RC‑165.2SQ‑IVX

Type: 2‑Way SQ Component Speaker System

Power Handling:

  • 120 W RMS

  • 190 W Max

Impedance: 3 Ω

Efficiency: 90 dB

Frequency Response: 35 Hz – 25 kHz

Tweeter: GZRT 25SQ

Midwoofer: GZRK 165SQ‑IV

Mounting Diameter: ~142.5 mm / 5.61″

Mounting Depth: ~68 mm / 2.68″

Crossover: 12/12 dB/Oct (High‑Pass / Low‑Pass)

Crossover Frequency: ~4600 Hz

Applications: Perfect for car audio upgrades where immersive, detailed sound is desired — suitable for component installations in doors or custom setups where both clarity and efficiency are essential.