Massive Audio 6.5" 75 Watts RMS 4 Ohm Coaxial Speaker Pair – FC6X

Overview

The Massive Audio FC6X is a high-performance 6.5-inch two-way coaxial speaker designed for clear, dynamic audio in automotive applications. Featuring a UV-resistant woven fiber paper woofer paired with a 20 mm ferro-fluid-cooled silk-dome tweeter, it delivers balanced sound across the 58 Hz–10 kHz range. Rated at 75 W RMS per speaker (150 W per pair), the FC6X is built for long-term durability and high-quality sound reproduction, making it an excellent choice for upgrading factory systems or enhancing custom installations.

Features:

• 50% ferro-fluid cooled 20 mm silk-dome tweeter – Improves high-frequency clarity and heat management.
• Built-in 6 dB crossover – Ensures smooth blending between woofer and tweeter.
• UV-protected woven fiber paper cone with butyl rubber surround – Combines fast response, weather resistance, and durability.
• High sensitivity (91 dB) – Produces strong output with less amplifier power.
• Heavy-gauge steel basket with powder coating – Provides structural strength and resists corrosion.

Specifications:

• Brand: Massive Audio
• Model: FC6X
• Size: 6.5″
• RMS Power: 75 W per speaker / 150 W per pair
• Peak Power: 150 W per speaker / 300 W per pair
• Impedance: 4 Ohm (each)
• Sensitivity: 91 dB
• Frequency Response: 58 Hz – 10 kHz
• Tweeter: 20 mm silk dome with ferro fluid cooling
• Woofer Cone: Woven fiber paper
• Surround Material: Butyl rubber
• Mounting Depth: 2.4″
• Mounting Diameter: 5.65″
• Frame Diameter: 6.5″