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Alpine SPS-690A

6"x9" 3-way car speakers

Item # 500SPS690A

Alpine's S-Series speakers feature rugged looks and tough, ultra-rigid cones that hit hard.

Find what Fits your vehicle

Alpine's S-Series speakers feature rugged looks and tough, ultra-rigid cones that hit hard.

Discontinued item

Item # 500SPS690A

Car-specific installation packages

Deep discounts on the essential accessories that help your new gear work with your car.

Free custom vehicle instructions

Installation help for your car, from our experts.

Since 1974

Years of experience making people happy.

About the Alpine SPS-690A

Alpine's S-Series speakers feature rugged looks and tough, ultra-rigid cones that hit hard. The 3-way SPS-690A 6"x9" speaker delivers the bass-rich output you crave with its aluminum-coated polypropylene cone and durable rubber surround.

Alpine's S-Series speakers feature rugged looks and tough, ultra-rigid cones that hit hard. The 3-way SPS-690A 6"x9" speaker delivers the bass-rich output you crave with its aluminum-coated polypropylene cone and durable rubber surround.

The titanium-coated polyetherimide (PEI) dome tweeter produces sharp details across a wide dispersion pattern, for excellent "sweet spot" imaging. A pulp cone midrange adds warmth and texture to the output from this well-balanced 6"x9" speaker. Grilles are included.

Priced per pair

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Product Highlights:

  • aluminum-coated polypropylene woofer cone
  • rubber surround
  • titanium-coated PEI balanced dome tweeter
  • pulp cone midrange
  • frequency response 30-30,000 Hz
  • recommended power range 2-50 watts RMS
  • peak power handling 250 watts
  • sensitivity 92 dB
  • top-mount depth 3"
  • 1-year warranty
  • MFR # SPS-690A

What's in the box:

  • Two 3-way speakers
  • 2 Grilles
  • 2 Plastic bottom-mount spacer rings
  • Two 14.5' lengths of speaker wire (each length of speaker wire has quick-slides on one end and bare wire on the other end)
  • 8 Machine screws (each screw has a lock washer)
  • 8 Self-tapping screws
  • 8 Speed clips
  • 8 Flat washers
  • 8 Lock washers
  • 8 Nuts
  • Warranty sheet

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More details on the Alpine SPS-690A

Pat M.

Features & specs

General
Speaker Size
Design 3-way
Tweeter Design 1/2" Dome
Impedance (Ohms) 4
Tweeter Composition Titanium-coated PEI
Woofer Composition Aluminum-coated poly
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Sensitivity (1W at 1 meter) 92
Sensitivity at 2.83 volts N/A
Frequency Response 30 - 30k Hz
Minimum RMS Wattage 2
Maximum RMS Wattage 50
Peak Power Handling (Watts) 250
Top-mount Depth (Inches) 3
Bottom-mount Depth (Inches) 3 3/8
Cutout Diameter or Length (inches) 0
Mounting Height (Inches) 0.75
The Alpine SPS-690A replaces these items:

Product Research

Features

Aluminum-coated Polypropylene Woofer Cones: Each speaker features an aluminum-coated polypropylene woofer. Aluminum adds strength and heat resistance to polypropylene, resulting in reduced distortion and improved reliability.

Air-injected Rubber Surrounds: For a smoother response and improved durability, the woofers use air-injected rubber surrounds.

Pulp Cone Midranges: Each speaker has a 2-3/8" pulp cone midrange.

Titanium-coated PEI Dome Tweeters: Each speaker has a 1/2" titanium-coated PEI dome tweeter. PEI (Polyetherimide) is a polymer that offers high resistance against harsh environmental extremes, superior rigidity, and sonic purity. When combined with titanium, the result is a tweeter that delivers crisp, clear highs.

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