Alpine optimize their SPS-517 5"x7" speakers for great range and impressive tone definition, even at low power levels. You can connect these versatile Type-S Series speakers to your factory stereo for an immediate sonic improvement, or hook them up to a powerful aftermarket stereo or amp for increased performance.
Mineral-fortified polypropylene cones are exceptionally stiff, yet lightweight, which means they can push out accurate bass and deliver clear midrange. Resilient rubber surrounds help keep the woofer centered for accurate cone movement, reducing distortion. Silk dome tweeters provide warm high notes that bring out the character of the instruments and vocals. Grilles are not included — factory grilles are appropriate for most installations.
5"x7"/6"x8" 2-way speakers (pair)
mineral-fortified polypropylene woofer cone with rubber surround
1" silk dome tweeter
power range: 2-75 watts RMS (230 watts peak power)
frequency response: 73-22,000 Hz
sensitivity: 88 dB
top-mount depth: 2-5/16"
grilles not included
warranty: 1 year
Features and Specs:
Tweeter Design 1" Dome
Tweeter Composition Silk
Woofer Composition Poly-Mica
Woofer Surround Rubber
Parts Warranty 1 Year
Labor Warranty 1 Year
Sensitivity 88 dB at 1 watt
Frequency Response 73 - 22k Hz
RMS Power Range (Watts) 2-75
Peak Power Handling (Watts) 230
Impedance (Ohms) 4
Top-mount Depth (Inches) 2 5/16
Bottom-mount Depth (Inches) 2 3/4
Poly-Mica Cone: Each SPS-517 speaker features a Poly-Mica cone and rubber surround. Mica adds strength and heat resistance to polypropylene, resulting in reduced distortion and improved reliability.
Silk Dome Tweeters: Each speaker has a 1" Wide-Range Silk Dome Tweeter for smooth high frequencies. The tweeters also swivel up to 10° so you can optimize them based on your listening position.
Efficient Design: The SPS-517's high-efficiency design allows the speaker to be powered by your factory or aftermarket head unit, resulting in an easy system improvement for many vehicles requiring 5x7 or 6x8 speakers.
Shallow-Design: The shallow polymer frame allows easy installation in a wide range OEM locations.
Mounting: Using the included brackets the SPS-517s can be top or bottom mounted in a variety of 5x7 and 6x8 applications.
No Grilles: No grilles are included with these speakers.
Great Entry Level Speakers!
Pros: Sound really good for the price!
Cons: Highly recommend buying an amp with them...
Other Thoughts: I've had these speakers for almost 2 years. I had them installed without an amp (powered from my Apine CDE head unit) and the sounds was marginally better than stock speakers. After installing a Rockford Fosgate 75Watt x 4 RMS 4 ohm amp they sounds AMAZING for the price! If I were on a tight budget, I would definitely buy these again. Otherwise I'd buy Alpine Type R coaxial speakers for a bit better sound.
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