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Boston Acoustics G312-4

12" Single 4 ohm G3 Series Car Subwoofer

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12" Single 4 Ohm G3 Series Subwoofer • 375W RMS • SureSet™ Impedance Selection • RadialVent® Cooling • SPS™ (Soft Part System) Technology • Integral Sealing Gaskets • 4-Layer Voice Coil • Customizable Chassis

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Product Highlights


12" Single 4 Ohm G3 Series Subwoofer • 375W RMS • SureSet™ Impedance Selection • RadialVent® Cooling • SPS™ (Soft Part System) Technology • Integral Sealing Gaskets • 4-Layer Voice Coil • Customizable Chassis

Description


Customization with Boston Acoustics G3 Subwoofers

Boston Acoustics' G3 series subwoofers provide deep, crisp, responsive, and quality bass that has come to be expected from a high-end company like Boston Acoustics at an affordable price. Featuring Soft Part System (SPS™) technology that will allow the removal of soft parts in case of an impedance change when adding more subs, repair if the voice coil fails and is damaged, and it also allows for customization by allowing the basket and back screen to be removed from the motor structure. This will then allow the option to paint, chrome, or even powder coat to make your subwoofer really stand out. G3 series subwoofer also feature SureSet™ impedance selection that makes wiring easy and accurate as well as adds protection from overdrive to the voice-coil, and a RadialVent® cooling system that decreases heat dissipation as well as distortion cause by thermal discharge. This improves the subwoofer's ability to perform at higher power handling levels while still producing quality bass output. G3 series subwoofers are versatile, dependable, loud, and affordable making them an easy selection for any car audio system.

  • 12" Single 4 Ohm G3 Series Subwoofer
  • Power Handling:
    • RMS: 375 watts
  • Impedance: Single 4 Ohm
  • Co-polymer woofer cone
  • Foam woofer surround
  • SPS™ (Soft Part System) technology allows for cone assembly removal
  • SureSet™ impedance selection provides simple impedance selection as well as overdrive protection
  • Rigid cast aluminum customizable chassis
  • RadialVent® cooling directs airflow around the voice coil for increased power handling
  • 2-1/2" 4-Layer Voice Coils
  • 2-3/4" peak to peak excursion for devastatingly accurate, deep bass output from small sealed enclosures
  • Rugged input terminals accept bare 8 gauge wire or pin connectors
  • Integral sealing gaskets ensure tight seals for any mounting configuration
  • Compatible with the GTR12 tunable radiator for added bass
  • SPL Sensitivity: 88.8dB
  • Xmax: 14.5mm
  • Frequency response: 20-350 Hz
  • Mounting Depth: 6-9/16"
  • Cutout Dimensions: 11-3/16"
  • 1-year Manufacturer's warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Boston Acoustics G312-4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Boston Acoustics G312-4 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Boston Acoustics G312-4 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Boston Acoustics G312-4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
G3 Series
Subwoofer Size
12"
RMS Power Handling
375 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Frequency Response
20 - 350 Hz
Sensitivity
88.8 dB
Xmax (millimeters)
14.5 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Copolymer
Woofer Surround
Foam
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.0 cubic feet
Maximum Sealed Box Volume
1.0 cubic feet
Minimum Ported Box Volume
2.0 cubic feet
Maximum Ported Box Volume
2.0 cubic feet
Top-Mount Depth (Mounting Depth)
6-9/16"
Cutout Diameter
11-3/16"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

G312-4

Weight:

24.00lbs

Internal SKU:

g3124

Internal Product ID:

18536

Product and How-to Videos


Customer Ratings & Reviews


Boston Acoustics G312-4 thumbnail image

5 star
80%
4 star
20%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
4.6
Usability
5

Customer Reviews

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kicker aint sh*t

i had 2 12" kicker cvr in a ported box, i thought it sounded good, until a buddy of mine showed me his system, he had one of these G3's in a sealed box, it just sounded 10x better than mine, so i sold my kickers
and bought one of these last night

By Khaos on February 6, 2010

15 found this helpful


Great sub

I just got this sub yesterday. i have just one in a sealed ground shaker box and it sounds amazing. Puts out nice clean bass but can also deliver power when needed. if you're looking for a sub that gives clean undistorted bass at moderate power this is the sub you need.

By BIG K on March 23, 2010

15 found this helpful


amazing

i got 2 of these a little while back. i have them in a ported box. im running them off a 2400w amp with about 300w rms to each and the sound is ridiculous. this is by far the best sub for the money.

By this guy on March 10, 2010

14 found this helpful


unbelievable

i just bought these subs from sonic 3 days ago and received them yesterday. i upgraded from a set of kick cvrs and right out of the box they sound 10x's better than the fully broken in cvr's. BUY THESE

By zach on January 7, 2010

14 found this helpful


Clean

Absolute steal. If you are choosing between a few sets of similar priced woofers, this is the one you are looking for. I have it in a sealed enclosure running off an Alpine PDX 1.600. Do not be afraid to throw some watts at it. Im running 600 RMS. However, like most subwoofers, it requires break in time. It took about two weeks for it to fully break in. I also noticed a 30 to 40 percent increase in "loudness." I have owned several woofers before including the alpine type R, and the Jl w3. Out of all of them the Boston is by far the best. Type R yes indeed was a little louder, but just didnt sound as clean as the G3. The W3 I believe is similar to the G2. Sounds ten times better than any kicker cvr or cvx. If you are choosing between a few woofers around the same price, get the g3.

By T on May 27, 2010

14 found this helpful




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