Down4Sound Hexicone XMR80 | 8" 300W RMS Pro Audio Speaker w/ Bullet (Single)

The DOWN4SOUND HEXICONE XMR 80 is a high-performance 8-inch Carbon Fiber Pro Audio Speaker engineered for powerful vocals, strong midbass response, and extended upper-frequency performance. Featuring Down4Sound's signature Hexicone carbon fiber cone technology, the XMR 80 combines lightweight construction, excellent rigidity, and a phase-plug design for clear, responsive, and authoritative output.

What Makes the XMR Different?

Both versions deliver the powerful output and carbon fiber Hexicone performance expected from Down4Sound, but each is designed for a different type of system.

• Original HEXICONE: Features a traditional dust-cap design and is ideal for customers seeking the familiar HEXICONE sound with bold vocals and hard-hitting midbass performance.
• HEXICONE XMR: Replaces the traditional dust cap with a phase plug, providing additional upper-frequency reach and a more open vocal presentation. The XMR does not replace the original HEXICONE. It gives builders another option for tailoring their system based on the sound and frequency coverage they want.

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 system to life.

Key Features

• XMR Phase-Plug Design: Provides additional upper-frequency reach and a more open vocal presentation than the traditional dust-cap configuration.
• Extended Usable Frequency Range: Designed for builders seeking greater upper-frequency coverage without sacrificing strong midbass performance.
• Carbon Fiber Hexicone Technology: Lightweight and rigid cone construction improves responsiveness, efficiency, and overall sound quality.
• Powerful Vocal Projection: Delivers clear, authoritative vocals that remain present at high output levels.
• Strong Midbass Response: Produces the punch and impact demanded by high-output door builds and pro audio systems.
• Enhanced Cone Rigidity: Carbon fiber Hexicone construction helps reduce unwanted cone movement and distortion at higher output levels.
• Efficient Ferrite Motor Structure: Provides dependable power handling and consistent performance under demanding conditions.
• Versatile Applications: Ideal for cars, trucks, SUVs, motorcycles, powersports vehicles, custom door panels, and dedicated pro audio systems.

Specifications

• RMS Power: 300W RMS
• Impedance: 4 Ohm/8 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?

Choose the XMR 80 when you want the strength, output, and midbass authority of the HEXICONE platform combined with a phase-plug design and additional upper-frequency coverage. Its lightweight carbon fiber cone, efficient ferrite motor, and high-output construction make it an excellent choice for loud, clear, and responsive pro audio systems.

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