Pioneer S-LX70C Brochure page 52

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S-2EX
Reference high-end speaker.
3-way. 200 W. Concentric arrangement of tweeter and
midrange speaker units. Beryllium tweeter for ultra-high
frequencies (100 kHz). Magnesium midrange cone.
"Air flow" designed woofers. Magnetically shielded.
AIR Studios sound tuning.
S-4EX
Reference high-end speaker.
3-way. 160 W. Concentric arrangement of
tweeter and midrange speaker units.
Ceramic Graphite tweeter for ultra-high
frequencies (100 kHz).
Magnesium midrange cone.
Woofers with Linear Drive Magnetic Circuits.
Magnetically shielded.
AIR Studios sound tuning.
S-W250S(-W)
Active subwoofer. 250 W RMS.
Built-in D-class amplifier.
30 cm woofer and passive radiator.