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Sonic Sub Boxes 1SA12-BLACK: main picture

Sonic Sub Box: 1SA12 (Black)

Single 12" Airport MDF Enclosure

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The product on this page is discontinued.
  • 12" Single Slot Ported Enclosure
  • Two 4" Ports
  • 3/4" MDF construction
  • Designed to reduce port noise
  • Gold binding post terminals
  • Durable black carpet
  • Color: Black
  • Also available in: Gray
  • Box volume: 2.8 cubic feet
  • Dimensions: 17"D x 28-1/2"W x 13-1/2"H
  • 30 Day return policy
Speaker Box / Enclosure Specifications
Subwoofer Size12"
Box TypeVented / Ported
Number of Subs/Speakers1
Box Style/ShapeSquare/Rectangle
Cutout Diameter or Length11-1/8"
Maximum Speaker Depth16"
Total Box Volume2.8 cubic feet
Height13-1/2"
Width28-1/2"
Depth17"
Second DepthN/A
Wood Thickness3/4"
Number of Terminals1
Terminal TypeBinding posts
Box Exterior ColorBlack
Box FinishCarpet
Port Details
Number of Ports2
Port DiameterN/A
Port Length4"
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty DurationNot warranted
Labor Warranty DurationNot warranted
Warranty ProviderSonic Electronix
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High-Performance Streetwires Speaker WireHigh-Performance Streetwires Speaker Wire
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Sound Dampening Material
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Enclosure Accessories
Everything you need to install your subwoofer. From quick disconnects to polyfil, whatever you need will be here.
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These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.		$4.99
Insulated Female Quick Disconnect ConnectorsInsulated Female Quick Disconnect Connectors
100 pack of 12-10 Gauge yellow insulated quick disconnects.		$7.99
Spring Post Terminal CupSpring Post Terminal Cup
Makes adding a spring post terminal to an enclosure simple! Banana clip ready!		$2.99
20 oz. Bag of Poly-Fil20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system.		$5.99
16 oz. Can of Adhesive Spray16 oz. Can of Adhesive Spray
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Related products
Sonic Sub Box: 1SA12 (Gray)
12" Single Slot Ported Enclosure • Two 4" Ports • 3/4" MDF construction • Designed to Reduce Port Noise • Box Volume: 2.8 Cubic Feet • Dimensions: 17"D x 28.5"W x 13.5"H
$44.99
out of stock
More info

Product Summary

Manufacturer: Sonic Sub Boxes
Model number: 1SA12-BLACK
Weight: 43.00 lbs
Internal SKU: 1sa12-black
Internal product ID: 24449

Why Sonic Electronix?

Musical Mayhem Sweepstakes sponsored by MTX Audio. 3 winners, $2,300 in prizes!

Customer Testimonial

I really can't think of anything except PayPal taking a little long. Very professional in the way business is done. Now that I have the alarm on the way I might be looking for a new car radio with CD that can play MP3.
I hope you had a merry Christmas and a Happy New Year!

- David from Cushing Oklahoma

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