1962 - 1966 Studebaker dual stereo speaker frame with PIONEER TSA878 3 1/2 INCH 2-WAY speakers
- High-energy strontium magnet (woofer)
- 3-1/2'' carbon-graphite blended IMPP (Injection Molded Polypropylene) composite-cone woofer
- Ultra-slim neodymium magnet (Tweeter)
- 1'' PEI (Poly-Ether Imide) dome tweeter
- Conex damper for improved bass response
- Glass-imide voice coil bobbin
- 2-way speaker system