Power Reference speakers represent excellent sound and quality in a full range of sizes to fit almost any factory speaker location.  These features make Power Reference speakers the perfect solution for most vehicles looking for a solid audio upgrade.  These speakers are extremely reliable, and when installed by an authorize dealer boast one of the best warranties in the business. 
 
Specs: 
Size: 4"
RMS Power: 20watt RMS
Peak Power 40 watts
Sensitivity: 86db
Mounting Depth 1.75"
Magnet Size: 8oz
Grill included: yes

Features: 
Polyurethane surround
PEI dome tweeter
Multi-direction pivot tweeter system