Garage
Shop

Focal SB 30 A1

12" Single 4 ohms Access Subwoofer Loaded In a Vented Enclosure

Focal
Shop all Focal
highlight-star-icon

Loaded Single 12" 4 Ohm Vented Subwoofer Enclosure • Peak: 500W • RMS: 250W • Braided Glass Fiber Woofer Cone • Butyl Rubber Surround • 5/8" MDF • Flared Port Design • Internal Damping • 4 Layer 2" Voice Coil

Learn more about the sb30a1

We apologize

This item has been discontinued

Description


Focal brand icon

Authorized dealer

Subwoofer Features:
  • Single 12" Access Series 4 Ohm Subwoofer
  • Power Handling:
    • Peak: 500 watts
    • RMS: 250 watts
  • Impedance: 4 ohm
  • Braided glass fiber woofer cone
  • Butyl rubber surround
  • Equipped with copper wiring
  • Black Kapton former
  • Chrome-Plated spring posts
  • 4 Layer 2" voice coil
  • Voice coil cooling system
  • Perfect for serious competitors and passionate audiophiles
  • Durable rubber shielding protects the subwoofer's magnet from shocks and corrosion
  • Integrated gasket provides no air leak and better chassis damping for tight, defined bass
  • Magnet Size: 2.45 lbs (39.2 oz)
  • Frequency response: 27-500 Hz
  • Sensitivity: 94 dB
  • Xmax: 3/16"
  • 1-year Sonic Electronix warranty
General Enclosure Features:
  • Loaded Single 12" 4 Ohm Vented Subwoofer Enclosure
  • Enclosure is perfectly matched to the sub
  • 5/8" MDF (medium-density fiberboard) construction
  • Internal damping for dynamic bass without shakes and rattle
  • Advanced flared port design delivers deep, accurate bass
  • Dynamic and high power handling
  • Dimensions: 10-3/8"TD x 16-1/16"BD x 20-7/8"W x 14-7/16"H

Best selling similar products

BE-GM-SLVDC-G4 small

NVX Loaded BOOST Box - 2019-2024 Chevrolet Silverado/GMC Sierra - BE-GM-SLVDC-G4

• Sealed BOOST truck enclosure with 2 12" S Series Subwoofer
• Fits select 2019-2024 Sierra and Silverado 1500 / 2500 HD / 3500 HD / 1500 LD
• 400 watts each RMS (800 watts each Peak)
• Final Impedance: 1-ohm

(1)

$499.99

List price $719.99

44TL7S102 small

Kicker L7S102 (44TL7S102)

• Ported truck enclosure with 1 10" Solo-Baric L7S Series Subwoofer
• 600 watts RMS (1200 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 21-1/2" L x 15" H x 10" W x 6-1/2" W2

(5)

$429.99

List price $459.99

R2S-1X10 small

Rockford Fosgate Prime R2S-1X10

• Sealed truck enclosure with 1 10" Prime R2 Series Subwoofer
• 200 watts RMS (400 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 19" L x 13.5" H x 5.25" W x 3.25" W2

(17)

$239.99

List price $239.99

SB-GM-SLVCC3/10TW3/BK2 small

JL Audio Stealthbox® SB-GM-SLVCC3/10TW3/BK2

• Sealed truck enclosure with 2 10" TW3 Shallow Mount Series Subwoofer
• Designed for select 2007-2013 vehicles from Chevrolet, GMC
• 800 watts per pair / 400 watts each RMS
• Final Impedance: 4-ohm
• Includes two JL Audio 10TW3-D8 subwoofers
• Installs easily under the truck's rear seat location

(4)

$1999.99

List price $1999.99

49L7TDF122 small

Kicker L7TDF122 (49L7TDF122)

• Sealed truck enclosure with 1 12" Solo-Baric L7 Series Subwoofer
• 300-600 watts RMS Power Rating
• Final Impedance: 2-ohm
• Dimensions: 23 7/8" L x 6 1/2" H x 15" W

(5)

$399.99

List price $429.99

F250X00C20-TN small

MTX Audio Thunderform F250X00C20-TN

• Sealed enclosure with 2 10" MTX ThunderForm Series Subwoofer
• 200 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 55-1/8" L x 6-24/25" H x 10-3/4" W

$649.95

List price $689.99

F250X00BK20-TN small

MTX Audio Thunderform F250X00BK20-TN

• Sealed enclosure with 2 10" MTX ThunderForm Series Subwoofer
• 200 watts RMS
• Final Impedance: 4-ohm
• Dimensions: 55-1/8" L x 7" H x 10-3/4" W

$649.95

List price $699.99

TRTP122 small

Kicker TRTP122 (48TRTP122)

• Sealed truck enclosure with 2 12" CompRT Series Subwoofer
• 250-500 watts RMS Power Rating
• Final Impedance: 2-ohm
• Dimensions: 27 1/2" L x 6 1/8" H x 14 5/8" W

(4)

$349.99

List price $379.99

LVE-TOY-TUNDCG2-D12S small

NVX Loaded BOOST Box - 2007-2017 Toyota Tundra - LVE-TOY-TUNDCG2-D12S

• Custom-Fit BOOST Sealed truck enclosure with 2 12" S Series Subwoofers
• Compatible with select 2007-2017 Tundra Double Cab
• 400 watts RMS (800 watts Peak)
• Final Impedance: 1-ohm

(1)

$389.99

List price $467.99

SB-F-SUPRCNSL/10W3v3 small

JL Audio Stealthbox® SB-F-SUPRCNSL/10W3v3

• Sealed truck enclosure with 1 10" W3 v3 Series Subwoofer
• Designed for select 1999-2007 F-250 Super Duty and F-350 Super Duty and Excursion
• 500 watts RMS Power Rating
• Final Impedance: 2-ohm
• Includes one JL Audio 10W3v3-2 subwoofer
• Installs inside the factory center console

$1149.99

List price $1149.99

Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
RMS Power Handling
250 watts
Peak Power Handling
500 watts
Woofer Composition
Glass Fiber
Woofer Surround
Butyl Rubber
Sensitivity
94 dB
Frequency Response
27 - 500 Hz
Enclosure Specifications
Box Type
Ported
Number of Subwoofers
1
Box Style/Shape
Square/Rectangle
Wood Thickness
5/8"
Number of Terminals
1
Terminal Type
Spring posts
Box Exterior Color
Gray
Box Finish
Paint
Second Width
10-3/8"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SB30A1

Weight:

45.00lbs

Internal SKU:

sb30a1

Internal Product ID:

21447

Customer Ratings & Reviews


Focal SB 30 A1 thumbnail image

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



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.