Pioneer 3-1/2" Speakers


Item #: 130TSA878

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Original Price: $49.99 pair

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Pioneer's TS-A878 2-way speakers are an excellent replacement for your factory 3-1/2" speakers. Their woofers are constructed from Carbon-Graphite blended IMPP (Injection Molded Polypropylene) for an exceptionally lightweight, rigid cone. A 1" PEI (polyetherimide) semi-dome tweeter tops them off with vibrant highs.

  • semi-dome PEI tweeter design
  • carbon-graphite blended cone woofer designed for improved bass and decreased distortion
  • rubber surrounds
  • frequency response 60-28,000 Hz
  • recommended power range 2-15 watts RMS
  • peak power handling 60 watts
  • sensitivity 88 dB
  • top-mount depth 1-7/16"

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Hands-on research

What's in the box?

  • 2-3.5" Speakers
  • 4 Phillips screws
  • 4 Speed clips
  • 2-5' Lengths of speaker wire
  • Warranty card
  • Specifications on box.

Features and Specs

Design 2-way
Tweeter Design Semi-dome
Tweeter Composition Poly-Ether Imide
Woofer Composition Carbon-Graphite IMPP
Woofer Surround Rubber
Parts Warranty 1 YEAR
Labor Warranty 1 YEAR
Sensitivity 88 dB at 1 watt
Frequency Response 60 - 28k Hz
RMS Power Range (Watts) 2-15
Peak Power Handling (Watts) 60
Impedance (Ohms) 4
Top-mount Depth (Inches) 1 7/16
Bottom-mount Depth (Inches) 1 9/16
Cutout Diameter or Length (inches) 3 1/16

Product Research


Woofers: These composite cone woofers are constructed from Carbon-Graphite blended IMPP (Injection Molded Poly-Propylene).  This process of cone molding assures a uniform cone thickness for superior linearity and clarity. It is also lighter weight and more rigid for decreased distortion and improved bass response.

Tweeters: This speaker uses a PEI (Poly-Ether Imide) Semi Dome Tweeter.  PEI offers high rigidity, high durability, and high resistance to heat, chemicals, and the weather. Each tweeter is made with an ultra-slim neodymium magnet; neodymium magnets are strong for their size, so a small magnet can be used without sacrificing any performance.


Our Product Research Team

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