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Sony XS-GSW121D

GS-Series 12" subwoofer with dual 4-ohm voice coils

Item # 158GSW121D

Sony created their GS Series subwoofers with performance in mind.

Sony created their GS Series subwoofers with performance in mind.

Item # 158GSW121D

In stock
$129.99 each

About the Sony XS-GSW121D

Advanced materials

Sony created their GS Series subwoofers with performance in mind. The Sony XS-GS121D 12" subwoofer features a unique mica-reinforced cellular glass fiber material that's foamed in a honeycomb fiber base, making it 10 times more rigid than a polypropylene cone. Sony formulated a surface layer for the cone that's made up of mica flake, synthetic fiber, and pulp. creating an extremely light and rigid cone that's able to move faster and more accurately. You'll hear greater precision and lower distortion, and the dual 4-ohm voice coils allow this speaker to run at 2 ohms for even greater firepower.

Advanced materials

Sony XM-GS100 330W x 1 Subwoofer Amplifier

Sony created their GS Series subwoofers with performance in mind. The Sony XS-GS121D 12" subwoofer features a unique mica-reinforced cellular glass fiber material that's foamed in a honeycomb fiber base, making it 10 times more rigid than a polypropylene cone. Sony formulated a surface layer for the cone that's made up of mica flake, synthetic fiber, and pulp. creating an extremely light and rigid cone that's able to move faster and more accurately. You'll hear greater precision and lower distortion, and the dual 4-ohm voice coils allow this speaker to run at 2 ohms for even greater firepower.

Serious power handling for this price range

A rugged rubber surround helps this Sony sub handle up to 520 watts RMS, while a double-layered spider supports the voice coil for a 55% increase in cone travel over last year's model. The GS-121D is equally at home in a ported or sealed enclosure, so you can choose the sound you want for your system. And best of all, Sony backs up these workhorse subs with a cool 3-year warranty. If you've got the room, Sony's got the boom. 

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Product highlights:

  • 12" subwoofer with dual 4-ohm voice coils
  • mica reinforced cellular glass fiber cone with honeycomb internal matrix
  • rubber surround
  • power handling: 520 watts RMS (260 watts per coil)
  • frequency response: 20-600 Hz
  • sensitivity: 84 dB
  • top-mount depth: 5-5/8"
  • grille not included
  • warranty: 3 years
  • Our 60-day money-back guarantee
  • MFR # XSGSW121D

What's in the box:

  • One 12" Dual 4-ohm voice coil woofer
  • Plastic trim ring
  • Adhesive backed foam gasket
  • Eight 1-1/4" Self-tapping screws
  • Instructions (multiple languages)
  • Warranty information

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Sony XS-GSW121D reviews

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Crutchfield response

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More details on the Sony XS-GSW121D

Pat M.

Product Research

Features

Cone: The xs-GSW121D uses a honeycomb design MRC cone (Mica Reinforced Cellular glass fiber composite) to reduce weight and increase rigidity, delivering deep bass response.

Dual Voice Coils: For increased system flexibility, the woofer has two 4Ω voice coils. When the voice coils are wired in parallel, the woofer presents a 2Ω load. When the voice coils are wired in series, the woofer presents an 8Ω load.

Binding Posts: The binding post wire terminals will accept pin connectors, spade lugs, single banana plugs, and bare wire up to 10 gauge. The binding posts are spaced too close together to accept dual banana plugs.

Enclosure Compatibility: The xs-GSW121D is compatible with either a sealed or ported enclosure.

  • Sealed Box Volume: The ideal sealed box volume is 0.84 ft³.
  • Ported Box Volume: The ideal ported box volume is 1.37 ft³ with a 4" diameter and 11-7/8" long port.

Specification Note: Sony's rated power spec for the xs-GSW121D is 420 watts (derived using IEC 60268-5 standards). In the manual they also list the CEA 2031 compliant RMS power as 520 watts. We've adopted the 520 watt RMS rating because CEA 2031 is the more common rating system.

Trim Ring: If the sub is mounted without the cosmetic trim ring, the flange height is 0.241" and the mounting height is 0.6" (top mount).

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
had a pair of sonys 12inch for 10 years they still hit [ stanley  Mar 18, 2020 ]

2 questions already asked

Q
Which subwoofer sounds cleaner and softer, Pioneer champion series pro TS-W3003D4 or Sony XS-GSW121D GS Series? Please answer me because i want to buy one of those two asap.
[ Mark  Nov 16, 2016 ]
1 answer
A
Thanks for your question. For information on comparing two or more models I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget.
[ Krissy  Nov 18, 2016 ]  Staff
Q
i need to know what amplifier would perfectly match this subwoofer?
[ Gerard  Jan 17, 2015 ]
1 answer
A
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system.
[ Krissy  Jan 18, 2015 ]  Staff

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