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Infinity

$30.00 off

Infinity Kappa 303S 3" Midrange Speakers

$219.99 $249.99

Shipping calculated at checkout.

Key features

Speaker size: 3″
RMS power per speaker: 55 W
Speaker impedance: 3.0 ohms
Frequency response: 200 Hz–15 kHz
Sensitivity (2.83 V): 93 dB
Crossover: Bandpass crossover included

Description

Product Overview

Add a dedicated midrange channel to your compatible Infinity Kappa component system with the Infinity Kappa 303S 3" midrange speakers. Their glass fiber cones and included bandpass crossovers help bring vocal and instrument detail into a compact 3" package.

Key Features & Benefits

Glass fiber cones: Help maintain cone shape at higher power for steady midrange presence.
Kappa crossover integration: Included bandpass crossovers help route midrange frequencies within a Kappa system.
3-way system option: The crossovers can switch to 3-way mode with specified Kappa models.
Pair of drivers: Two midrange speakers let you add this channel to a compatible front stage.
Installation items included: Grilles, wiring, mounting hardware, and an installation kit are supplied.

Technical Specifications

Specification	Detail
Product type	3" midrange speakers
Cone material	Glass fiber
Impedance	3 ohms
Power handling	55 watts RMS (165 watts peak) per driver
Frequency response	200–15,000 Hz
Sensitivity	93 dB @ 2.83V
Crossover compatibility	Crossovers designed for Kappa Series systems; switchable to 3-way mode with 603CF, 503CF, or 693CF. Not compatible with older Kappa systems.
Included crossover type	Bandpass crossovers
In the box	2 midrange drivers, grilles, grille frames, crossovers, wiring, mounting hardware, and installation kit
Warranty	3 years

Why Choose This Product?

The Kappa 303S is made to fill the midrange channel between tweeters and woofers in a suitable Kappa component installation. That dedicated channel can add vocal presence and instrument detail to your front stage.

Its 93 dB sensitivity and 55-watt RMS rating give you practical figures to consider when matching the drivers with your system’s amplifier and crossover setup.

Installation & Compatibility Notes

Check your Kappa component system before choosing these speakers. The included crossovers are designed for Kappa Series systems and can switch to 3-way mode with the 603CF, 503CF, or 693CF; older Kappa systems are not compatible.

The crossovers and mounting items are included. Confirm that your intended installation can accommodate the 3" drivers and the supplied components.

Frequently Asked Questions

What role do the Kappa 303S speakers play in a component system?

They add a dedicated midrange channel between the tweeters and woofers in a compatible Kappa component installation.

Can I use the included crossovers for a 3-way setup?

They can switch to 3-way mode with the 603CF, 503CF, or 693CF. They are not compatible with older Kappa systems.

What does the power rating mean per speaker?

Each driver handles up to 55 watts RMS and 165 watts peak.

What comes in the box?

The package includes two midrange drivers, grilles, grille frames, crossovers, wiring, mounting hardware, and an installation kit.

Explore More

Shop Infinity audio at 12 Volt Outlet. Want to learn more about Infinity? Explore our Infinity brand profile.

Need an amplifier to run these speakers?

Compare car-audio amplifiers by channel count. Ratings shown at 4 Ω. Check your speakers’ impedance and RMS power before choosing an amplifier.

2-Channel Amplifiers

50–125W RMS per channel at 4 Ω

Rockford Fosgate Prime R2-200X2 2-Channel Amplifier

50W × 2 RMS at 4 Ω

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Rockford Fosgate Punch P300X2 2-Channel Amplifier

100W × 2 RMS at 4 Ω

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Rockford Fosgate Punch PBR300X2 2-Channel Amplifier

100W × 2 RMS at 4 Ω

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DS18 G700.2 GEN-X Full-Range Class D 2-Channel Amplifier 700 Watts

100W × 2 RMS at 4 Ω

$155.99

4-Channel Amplifiers

50–125W RMS per channel at 4 Ω

AudioControl A600.4 Altitude 4-Channel Amplifier

100W × 4 RMS at 4 Ω

$319.99
SoundQubed S4-100 S Series 4 Channel Amplifier (175x4)

100W × 4 RMS at 4 Ω

$299.99
JBL Club A754 4-Channel Car Amplifier

75W × 4 RMS at 4 Ω

$319.99
Rockford Fosgate Prime R2-500X4 4-Channel Amplifier

75W × 4 RMS at 4 Ω

$359.99

6-Channel Amplifiers

Actual 4 Ω ratings shown for each amplifier

Sundown Audio SALT-2000.6 6-Channel Amplifier

100W × 2 + 150W × 2 + 200W × 2 RMS at 4 Ω

$999.99

8-Channel Amplifiers

Actual 4 Ω ratings shown for each amplifier

JBL DSP4086 8-Channel Class-D DSP Amplifier

40W × 8 RMS at 4 Ω

$499.99
Wāvtech link1400.8plus 1400 Watt 8-Channel Amplifier

100W × 8 RMS at 4 Ω

$899.99