PRODUCT DESCRIPTION: 

Alpine SPS400 4" 170 Watt 2-Way Speakers

Sensitivity: 87 dB
RMS Power Range: 55 Watts
Peak Power Handling: 170 Watts
Impedance: 4 Ohm
Frequency Response: 80-22000 Hz
High Grade Strontium Magnet
3/4" Wide Range Silk Domed Swivel Tweeter
Priced per pair

MODEL #: SPS400