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Rockford Fosgate

$20.00 off

Rockford Fosgate Prime R168X2 6"x8" Coaxial Speakers

$89.99 $109.99

Shipping calculated at checkout.

Key features

Speaker size: 6×8″
RMS power per speaker: 55 W
Speaker impedance: 4.0 ohms
Frequency response: 51 Hz–20 kHz
Sensitivity: 87 dB (1 W/1 m)
Mounting depth: 2.54 inches

Description

Product Overview

Bring clearer highs and balanced full-range sound to a factory speaker upgrade with the Rockford Fosgate Prime R168X2 6"x8" coaxial speakers. This 2-way pair combines a vacuum polypropylene cone with a flush-mounted silk dome tweeter for midbass and treble in a standard 6x8 fit.

CEA-2031 Guidelines

Use them as replacement speakers in a car audio system where the 6x8 size and mounting depth suit your installation.

Key Features & Benefits

Vacuum polypropylene cone: Supports the speaker’s midrange and midbass output.
Silk dome tweeter: Adds detailed high-frequency sound from a flush-mounted 0.50-inch tweeter.
Integrated tweeter crossover: Includes a 6 dB high-pass crossover for the tweeter.
4-ohm impedance: Gives you a clearly stated load to compare with your audio system’s requirements.
Sold as a pair: The package contains two speakers for a left-and-right replacement.

Technical Specifications

Speaker Type	2-Way Coax
Woofer Cone	Vacuum Polypropylene cone
Basket	Stamped steel basket
Surround	Rubber surround
Integrated Crossover	Integrated tweeter crossover
Crossover	Tweeter High-Pass (HP): 6dB
Impedance	4-Ohm
Sensitivity	87 dB @ 1W/1M
Frequency Response	51 Hz - 20 kHz
Power Handling	55 Watts RMS / 110 Watts Max
Tweeter	Silk dome flush mounted tweeter
Tweeter Size	0.50" (12.7 mm)
Midrange Mounting Depth	2.54" (64.5 mm)
Sold In	Sold in pairs (2 each)
Grille/Trim Ring	No
Warranty	1 Year

Why Choose This Product?

The R168X2 brings the woofer and tweeter together in one coaxial speaker, with an integrated tweeter crossover. Its stated 55-watt RMS and 110-watt maximum ratings help you compare the pair with your system’s output. The 51 Hz–20 kHz frequency response describes its listed range from bass fundamentals through upper treble.

Installation & Compatibility Notes

Check your vehicle’s speaker opening and available mounting depth before purchase. The listed midrange mounting depth is 2.54" (64.5 mm); confirm the full speaker will fit your location. Match the 4-ohm impedance and power ratings with your audio equipment’s requirements. Grilles or trim rings are not included.

Frequently Asked Questions

How many speakers are included?

This product is sold as a pair, with two speakers.

What size opening should I check?

The speakers are listed as 6"x8". Confirm that size and the 2.54" (64.5 mm) mounting depth suit your installation.

What power ratings should I compare with my system?

Each product listing gives a power handling rating of 55 Watts RMS / 110 Watts Max. Check your audio equipment’s requirements when choosing speakers.

Are grilles or trim rings included?

No. The grille/trim ring specification is listed as “No.”

Explore More

Shop for the Rockford Fosgate Prime R168X2 at 12 Volt Outlet. Want to learn more about Rockford Fosgate? Explore our Rockford Fosgate 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

$239.99
Rockford Fosgate Punch P300X2 2-Channel Amplifier

100W × 2 RMS at 4 Ω

$279.99
Rockford Fosgate Punch PBR300X2 2-Channel Amplifier

100W × 2 RMS at 4 Ω

$279.99
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

Audio Control 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