Infinity Kappa 83WDSSI - 8"(200mm) high-performance car audio subwoofer

All-around excellence

With their rugged construction and sophisticated engineering, Infinity's Kappa subwoofers excel in a variety of applications, equally at home in ported or sealed enclosures. These dependable subs feature switchable impedance so they'll always fit into your system, and they'll handle plenty of power so they'll deliver powerful, accurate bass. Plus, Infinity protects these subs with an impressive 3-year warranty.

Selectable impedance

Infinity's Kappa 83WDSSI 8" subwoofer features the unique Selectable Smart Impedance design, which lets you build exactly the system you want without complicated wiring. Just flip the convenient impedance switch to safely choose between 2 or 4 ohms. If you're thinking about upgrading your amplifier or adding another sub down the line, this sub makes it easy to reconfigure — and it's nearly impossible to wire incorrectly.

Rugged construction

This sub handles plenty of power and sounds great in sealed or ported enclosures. Infinity's proprietary aero-cooling design helps keep the 2" voice coil cool. The acoustically damped glass-fiber cone minimizes distortion, giving you nothing but pure bass. And the steel basket provides a solid base for the sub, which handles up to 400 watts RMS. Infinity's Kappa subwoofers are known for their sound quality, and they offer the wiring versatility you need to build a system for your changing needs.

Features and Specs

Size 8-inch

Impedance (Ohms) 2, 4

Cone Material Glass Fiber over Paper

Surround Material Rubber

Basket Material Steel

Grille None included

Free-Air Yes

Dual Voice Coil No

Sensitivity 91 dB at 2.83 volts

Frequency Response 30 - 175 Hz

Max RMS Power Handling 400

Peak Power Handling (Watts) 1200

Top Mount Depth (inches) 5 1/4

Bottom Mount Depth (inches) 5 5/8

Cutout Diameter or Length (inches) 7 5/16

Frame Width 9.041

Frame Length 9.041

Vas (liters) 9.12

Fs (Hz) 42.2

Qts 0.548

Xmax (millimeters) 10.25