Panasonic JW2SN-DC12v Relay
This is the Most common relay found in the Speaker protection sections inside modern AVR's and Amplifiers.

Specifications:
Manufacturer:             Panasonic     
Product Category:     Relays     
Contact Form:             DPDT (2 Form C)     
Coil Voltage:           12 V
Contact Current Rating: 5 A            
Coil Resistance:     270 Ohms     
Coil Current:             44 mA     
Mounting Style:     Through Hole     
Contact Material:     Silver Tin Oxide     
Coil Termination:     Solder Pin     
Coil Type:             Non-Latching     
Contact Termination:     Pin     
Power Consumption:     530 mW          
Termination Style:     Solder Pin