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Alpine SPS-406 Open Box

4" x 6" Type-S Series 2-way Speakers

Alpine
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4" x 6" Type S Series Car Speakers • 140W Max • 45W RMS • Poly-mica cone woofer • Rubber surround • 3/4" Silk dome tweeter • Optimized air-flow design • Affordable premium quality upgrade to your factory audio system

Learn more about the LS-sps406-OB

We apologize

This item has been discontinued

Description


Alpine brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

  • 4" x 6" Type S Series Car Speakers
  • Power Handling:
    • Peak: 280 watts per set / 140 watts each side
    • RMS: 90 watts per set / 45 watts each side
  • Poly-mica cone woofer
  • Rubber surround
  • 3/4" Silk dome tweeter
  • Optimized air-flow design
  • Stamped steel basket frame
  • Affordable premium quality upgrade to your factory audio system
  • Great power-efficient speakers
  • Swivel-mount tweeter
  • 4 ohm impedance
  • Square-wire short voice coil
  • Low distortion strontium magnet
  • Top-mount depth: 1-21/32"
  • 1-year SonicElectronix.com warranty

Alpine products are warranted solely by Sonic Electronix, Inc. under the same period and terms as the original Alpine warranty. Sonic Electronix is not an Authorized Alpine Dealer and Alpine requires all merchandise purchased by Sonic Electronix customers to be returned solely to Sonic Electronix. Alpine products are also covered by our Standard Return Policy for returns on exchanges or refunds within 30 days from the date of purchase.

Priced Per Pair

Specifications & Details


Speaker Specifications
Speaker Size
4" x 6"
Design
2-way Coaxial
Tweeter Design
Dome
Tweeter Composition
Silk
Woofer Composition
Polymer/Mica Composite
Woofer Surround
Rubber
Peak Power Handling
140 watts
RMS Power Handling
45 watts
Sensitivity
87 dB
Frequency Response
93 - 22000 Hz
Impedance (Per Voice Coil)
4 ohm
Shallow Mount Installation
Yes
Top-Mount Depth (Mounting Depth)
1-21/32"
Cutout Dimensions
3-3/8" x 3-3/8" 
General specifications
Speaker Grilles
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

SPS-406-2

Weight:

4.50lbs

Internal SKU:

LS-sps406-OB

Internal Product ID:

69173

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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.