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Rockford Fosgate R300-12: main picture
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Rockford Fosgate R300-12

Amplified 12" 4 ohm Prime Series Subwoofer Loaded Enclosure

5.0

(3 reviews)

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The product on this page is discontinued.

Specials with this product

  • Free Ground Shipping to the 48 statesdetails
General Features:
  • 12" 4 Ohm Prime Series Amplified Loaded Subwoofer Enclosure
  • 2nd Order Acoustic suspension configuration
  • 5/8" MDF (Medium Density Fiberboard) construction
  • Optimized "closed-loop" design
  • Encased in industrial grade black carpeting
  • Box volume: 2.0 cubic feet
  • Sensitivity: 84.5 dB
  • CEA-2031 Compliant
  • Dimensions: 11-1/2"D x 19-13/16"W x 14-15/16"H
  • 1-year SonicElectronix.com warranty
Amplifier Features:
  • Prime Series Monoblock Class D Enclosure Amplifier
  • RMS Power Rating:
    • 4 ohms: 300 watts x 1 chan.
  • Max power output: 600 watts x 1 chan.
  • BTL Class D high efficiency, low current power supply
  • Wired remote bass level control included
  • LED power and protect indicator
  • Variable Bass Boost (0 to +12 dB bass boost at 45 Hz)
  • Mono channel operation
  • 2-Way System Protection circuitry (thermal and overload)
  • Speaker-level inputs with signal sensing for automatic turn-on
  • Heavy duty extruded aluminum alloy convection heatsink for maximum heat dissipation
  • Nickel-plated RCA level inputs
  • Nickel-plated compression terminal block
  • Input sensitivity:
    • Low level: 300mV-3V
  • Variable low-pass filter (35-150 Hz, 12 dB/octave)
  • Phase Shift: 0-180°
  • CEA-2006 compliant amplifier
  • Frequency response: 28-90 Hz
  • 10-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
  • 1-year Sonic Electronix warranty
Amplifier Power Specifications
RMS Power @ 4 ohms300 watts x 1 channel
RMS Power @ 2 ohmsN/A
RMS Power @ 1 ohmN/A
Bridged RMS PowerNot Bridgeable
Peak Power Output600 watts x 1 channel
Amplifier Specifications
Amplifier ClassD
Number of Channels1 - Mono
Total Peak Power Output600 watts
Total RMS Power Output300 watts
Maximum Input Gauge Size10 AWG
Minimum Impedance Unbridged4 ohms
Minimum Impedance BridgedNot Bridgeable
THD at Rated RMS Power<1.0%
Speaker Level InputsYes - with included adapter
Preamp OutputsNo
Built-in CrossoverLow-pass (LP)
High-Pass Crossover FrequencyN/A
Low-Pass Crossover Frequency35 - 150 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio88.2 dB
Channel SeparationN/A
Bass Boost0 - 12 dB
Bass/Gain RemoteYes
Fan CooledNo
Fuse Rating30A x 1 
CEA-2006 CompliantN/A
Subwoofer Specifications
Subwoofer Size12"
Voice Coil(s)Single
Impedance (Per Voice Coil)4 ohms
RMS Power Handling300 watts
Total RMS Power Handling300 watts
Peak Power Handling600 watts
Total Peak Power Handling600 watts
Woofer SurroundN/A
Woofer CompositionN/A
Sensitivity84.5 dB
Frequency Response28 - 90 Hz
Xmax (millimeters)N/A
Enclosure Specifications
Box TypeSealed
Number of Subs/Speakers1
Box Style/ShapeHatchback Style, Angled Back
Height14-15/16"
Width19-13/16"
Depth11-1/2"
Second DepthN/A
Wood Thickness5/8"
Number of Terminals1
Terminal TypeCompression Terminal
Box Exterior ColorBlack
Box FinishCarpet
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderSonic Electronix
Customer Review Summary for Rockford Fosgate R300-12
Average Customer Rating is 5.0 out of 5 stars:
5.0
based on 3 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
.
100%
4 star:
.
0%
3 star:
.
0%
2 star:
.
0%
1 star:
.
0%
what's this?
Average Attributes Rating:
Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0
what's this?
Most Helpful Customer Reviews:
September 25, 2011 Rockford Fosgate R300- 12
Review by
PYSCHO from Pa
Overall
Durability
Value
Features
Design
Usability
AWESOME value for the Money, suits my needs perfectly.
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April 1, 2011 Definitely worth it for the extra kick
Review by
Nick from Cincinnati ohio
Overall
Durability
Value
Features
Design
Usability
It definitely sounds great. It adds a really nice punch to all kinds of music. It seems like it can't keep up with super fast bass hits with some techno and it doesn't really like some of the rolling bass, but it still sounds really good. It won't win any competitions, and there are stronger louder 10's even. Cons... well there are none. I enjoy mine very much. I have the gain and bass boost on half, and I have the bass on my head unit on 0 and sometimes there is too much rattling in my car from the different parts. I highly recommend this combo to anyone wanting to add depth to their music.
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July 21, 2010 Nice sub
Review by
Vinnie from TX
Overall
Durability
Value
Features
Design
Usability
I have only had this sub for a day but it makes my basslink quiet. Very nice package rockford put together with this unit. This unit would hit hard in a hatchback. I have it in my mkz in the trunk and it hits hard and sounds great!
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Product Summary

Manufacturer: Rockford Fosgate
Model number: R300-12
Product manual: Download the Rockford Fosgate R300-12 Product Manual
UPC: 780687330224
Weight: 31.00 lbs
Internal SKU: r30012
Internal product ID: 22624
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Customer Testimonial

Very helpful response and have made a purchase accordingly. Many thanks!

- Priten from uk

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