Infinity Kappa Perfect 300M - 3.5" Extreme-Performance Car Midrange Speakers

Infinity Kappa Perfect 300M | 3.5″ (88 mm) Midrange Speaker | 75 W RMS | 300 W Peak | 88 dB SPL

The Infinity Kappa Perfect 300M is a precision-engineered 3.5″ (88 mm) midrange driver from Infinity’s flagship Kappa Perfect series, designed to elevate component systems into audiophile-grade 3‑way setups. Featuring Harman’s Plus One™ carbon‑fiber cone and an oversized 25 mm voice coil, it delivers rich mid frequencies with controlled dynamics and minimal distortion—perfect for high-resolution sound staging.

With 75 W RMS (300 W peak) power handling, 3.5 Ω impedance, and 88 dB sensitivity, the Perfect 300M delivers robust midrange performance even in demanding listening setups. Its compact 44 mm mounting depth ensures installation flexibility within tight OEM speaker locations, while its durable build and aesthetic finish make it both functional and visually refined.

Product Highlights:

3.5″ (88 mm) midrange driver with Plus One™ carbon‑fiber cone for enhanced surface area and accuracy

Oversized 1″ (25 mm) voice coil for improved power handling and reduced distortion

Rubber surround for durable performance and tight, controlled sound

Seamless integration into 3‑way systems using a switchable crossover (sold separately)

Sleek industrial design featuring brushed metal finishes consistent with Infinity’s premium aesthetic

Tech Specs:

Model: Perfect 300M

Type: Midrange Driver (3‑Way Component Add‑on)

Driver Design: 1‑Way Midrange, Plus One™ carbon‑fiber cone

Impedance: 3.5 Ω

Power Handling: 75 W RMS / 300 W Peak

Sensitivity: 88 dB (at 2.83 V)

Frequency Response: 150 Hz – 10 kHz

Voice Coil Diameter: 25 mm (1″)

Mounting Depth (Top): 1.75″ (44 mm)

Mounting Depth (Bottom): 1.875″ (48 mm)

Cut‑Out Diameter: 3.125″ (79 mm)

Grilles Included: No

Applications:

Designed to convert 2‑way Infinity Kappa Perfect systems into full-fledged 3‑way component setups. Ideal for audiophiles seeking refined midrange clarity in cars, allowing seamless upgrades via a switchable crossover. Compact dimensions ensure quick fitment in factory locations, enabling enhanced stage realism and vocal resolution without overhauling your vehicle’s architecture.