Pioneer TS-A879 3.5″ 450w 100rms Coaxial Speakers
450 Watts Max. Power / 100 Watts Nominal Power (with in-line filter)
3.5″ Carbon and Mica reinforced IMPP™ cone
21 polyetherimide (PEI) hard dome tweeter
Frequency range: 52 Hz to 33 kHz (without filter)
Frequency range: 850 Hz to 33 kHz (with filter)
Speaker Impedance: 4 ohms
Speaker Efficiency: 85 dB (1W/1M)