About the Focal RSB-300
Affordable quality
Affordable quality
Focal has built a reputation for building great speakers for home, car, or recording studio, and our customers definitely give their subs high marks. Their Auditor Series RSB-300 12" subwoofer delivers impressive bass, maintaining accuracy even when you're pushing your system hard. The sub's two voice coils allow you to wire it for 2- or 8-ohm impedance, giving you more flexibility when you expand your bass setup.
Built to take it
The RSB-300 features a polypropylene cone with a butyl rubber surround that's made to handle up to 300 watts RMS. Large vents in the sub's steel basket help dissipate the heat generated by extended bass sessions. This Focal fits into just about any kind of system, whether you prefer tight bass from a sealed box or fatter bass from a ported enclosure.
Product highlights:
- 12" dual 4-ohm voice coil subwoofer
- polypropylene cone with butyl rubber surround
- 5-1/2" magnet
- power handling: 300 watts RMS (600 watts peak)
- frequency response: 25-1000 Hz
- top-mount depth: 5-5/8"
- sealed box volume: 1 cu.ft.
- ported box volume: 1.5 cu. ft.
- sensitivity: 90 dB
- grille not included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # RSB-300
What's in the box:
- One 12" Dual 4-ohm voice coil woofer
- Eight 1-3/8" Pan head screws
- User manual (English/ French/ German/ Spanish/ Italian/ Portuguese/ Chinese/ Russian)
- Specifications printed on box
- Thank you note
Featured review
This is an excellent sub. I have it running on a 600w MTX amp and it hits hard. Also blends really well with the Focal PS 130 V that I have installed. Well worth the money!
Adam J from Lafayette, CO
12 reasons to shop with us
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More details on the Focal RSB-300
Features & specs
| Size | 12 -inch | |
| Impedance | 2 ohms or 8 ohms | |
| Cone Material | Polypropylene | |
| Surround Material | Butyl Rubber | |
| Ideal Sealed Box Volume (cubic feet) | 0.88 | |
| Ideal Ported Box Volume (cubic feet) | 1.06 | |
| Port diameter (inches) | N/A | |
| Port length (inches) | N/A | |
| Free-Air | No | |
| Dual Voice Coil | Yes | |
| Sensitivity |
90 dB at 2.83 volts | |
| Frequency Response | 30 - 500 Hz | |
| Max RMS Power Handling | 300 | |
| Peak Power Handling (Watts) | 600 | |
| Top Mount Depth (inches) | 5 3/16 | |
| Bottom Mount Depth (inches) | N/A | |
| Cutout Diameter or Length (inches) | 11 1/16 | |
| Vas (liters) | 93 | |
| Fs (Hz) | 25 | |
| Qts | 0.47 | |
| Xmax (millimeters) | 0 | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Materials: The FOCAL Auditor RSB-300 features a polypropylene cone and butyl rubber surround to withstand the harsh automotive environment.
Dual 4Ω Voice Coils: The dual 4Ω voice coils offer wiring flexibility; when wired in parallel the woofer presents a 2Ω load, when wired in series the woofer presents an 8Ω load.
Binding Posts: The speaker terminals are threaded binding posts for easy connection of single banana plugs or bare wire up to 8 gauge.
Sealed Box Volume: FOCAL recommends a sealed enclosure with a volume of 25 liters (0.88 cubic feet).
Ported Box Volume: FOCAL recommends a ported enclosure with a volume of 30 liters (1.06 cubic feet) using a single port tube (port size not given).
The Focal RSB-300 replaces these items
- 12" 4-ohm subwoofer
- polypropylene cone with rubber surround
- power range: 50-300 watts RMS (600 watts peak)
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