About the Alpine SPS-100A
Alpine's S-Series speakers feature rugged looks and tough, ultra-rigid cones. The SPS-100A 4" speakers will punch up your system's sound with crisp highs and mids. Its aluminum-coated polypropylene cone works with a durable rubber surround to give you the full mid-bass output you crave. A titanium-coated PEI dome tweeter produces sharp details across a wide dispersion pattern, for excellent "sweet spot" imaging. Grilles included.
Priced per pair
Product Highlights:
- aluminum-coated polypropylene woofer cone
- titanium-coated polyetherimide (PEI) balanced dome tweeter
- rubber surround
- frequency response 50-30,000 Hz
- recommended power range 2-25 watts RMS
- peak power 125 watts
- sensitivity 92 dB
- top-mount depth 1-13/16"
- 1-year warranty
- MFR # SPS-100A
What's in the box:
Alpine SPS-100A owner's manual
- Two 2-way speakers
- 2 Grilles
- 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 Self-tapping screws
- 8 Speed clips
- Warranty sheet
Featured review
these little guys really hit the highs well. powering them with a sony m8800 52x4 and they sound great. do distort at max power but that is to be expected. definately a great buy if you are looking for something to hit the mids-highs well.
Jon from NJ
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More details on the Alpine SPS-100A
Features & specs
| General | ||
|---|---|---|
| Speaker Size | ||
| Design | 2-way | |
| Tweeter Design | 7/16" Balanced-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 | 50 - 30k Hz | |
| Minimum RMS Wattage | 2 | |
| Maximum RMS Wattage | 25 | |
| Peak Power Handling (Watts) | 125 | |
| Top-mount Depth (Inches) | 1 13/16 | |
| Bottom-mount Depth (Inches) | 1 7/8 | |
| Cutout Diameter or Length (inches) | 4 1/16 | |
| Mounting Height (Inches) | 0.379 | |
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.
Titanium-coated PEI Balanced-dome Tweeters: Each speaker has a 7/16" titanium-coated PEI balanced-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.
The Alpine SPS-100A replaces these items
- Hybrid pearl-mica injection poly woofer with I-Drive low distortion circuitry
- air-injected rubber surround
- titanium-coated PEI tweeter
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