DOWN4SOUND - USED | HEXICONE XMR 80 | 8" CARBON FIBER PRO AUDIO SPEAKER | 300W RMS | 4 OHM

The DOWN4SOUND HEXICONE XMR 80-4 is a high-performance 8-inch Carbon Fiber Pro Audio Speaker designed for enthusiasts seeking powerful vocals, strong midbass response, and exceptional output. Featuring Down4Sound's signature Hexicone carbon fiber cone technology, the XMR 80-4 combines lightweight construction, enhanced rigidity, and proven engineering to deliver outstanding sound quality and reliable performance.

Built for high-output daily drivers, custom door builds, competition-inspired systems, and dedicated pro audio applications, the HEXICONE XMR 80-4 delivers the projection, clarity, and authority needed to bring your audio system to life.

Key Features

• Carbon Fiber Hexicone Technology: Lightweight and rigid cone construction improves efficiency, responsiveness, and overall sound quality.
• High-Output Pro Audio Performance: Designed for powerful vocals, strong projection, and exceptional midbass authority.
• Enhanced Cone Strength: Hexicone carbon fiber construction increases rigidity while helping reduce distortion at high output levels.
• Competition-Inspired Engineering: Built for enthusiasts who demand serious output, reliability, and performance.
• Efficient Ferrite Motor Structure: Delivers dependable power handling and consistent performance under demanding conditions.
• Versatile Applications: Perfect for cars, trucks, SUVs, motorcycles, powersports vehicles, custom door panels, and dedicated pro audio systems.

Specifications

• RMS Power: 300W RMS
• Impedance: 4 Ohm
• Magnet Type: Ferrite
• Sensitivity: 93 dB (1W/1M)
• Mounting Depth: 3.5 Inch
• Cutout Diameter: 7.125 Inch
• Overall Diameter: 8.25 Inch

Technical Parameters

• Re: 4.03 Ohm (Electrical voice coil resistance)
• Le: 0.105 mH (Frequency-independent voice coil inductance)
• L2: 0.651 mH (Para-inductance of voice coil)
• R2: 3.08 Ohm (Electrical resistance due to eddy current losses)
• Cmes: 324.31 μF (Capacitance representing moving mass)
• Lces: 21.17 mH (Inductance representing driver compliance)
• Res: 73.87 Ohm (Mechanical loss resistance)
• Fs: 60.7 Hz (Driver resonance frequency)
• Mms: 20.962 g (Mechanical mass of diaphragm assembly)
• Mmd: 17.098 g (Mass of voice coil and diaphragm without air load)
• Rms: 0.875 kg/s (Mechanical resistance of driver losses)
• Cms: 0.327 mm/N (Compliance of driver suspension)
• Kms: 3.05 N/mm (Stiffness of driver suspension)
• BL: 8.040 N/A (Force factor)
• Qtp: 0.475 (Total Q-factor considering all losses)
• Qms: 9.144 (Mechanical Q-factor)
• Qes: 0.498 (Electrical Q-factor)
• Qts: 0.473 (Total Q-factor)
• Vas: 23.88 L (Equivalent compliance volume)

Why Choose the DOWN4SOUND HEXICONE XMR 80-4?

The HEXICONE XMR 80-4 combines lightweight carbon fiber Hexicone technology, efficient motor design, and proven engineering to deliver the output, projection, and sound quality demanded by serious car audio enthusiasts. Whether you're upgrading a daily driver or building a competition-inspired system, the XMR 80-4 provides the performance, durability, and reliability expected from the Down4Sound Hexicone family.

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