A high-quality speaker with a rugged construction!  This heavy duty stereo-extension speaker with noise blanker has air cone suspension.  It was designed by truckers for truckers.

Metal mesh grill

Locking scres on horizontal and vertical swivel screw base

Noise blanker for superior voice reproduction - the switch is on the back

Power rating 20 Watts maximum -- Impedance 4ohm

Impedance compatibility 4-8 ohm

Frequency response 100 Hz-15KHz

Voice coil 20mm

10 feet of attached wire with standared 3.5mm mini-plug

Complete mounting kit is included

One year manufacturer warranty

Speaker size is 5.25" x 3.5" x 3.9"

Weight 1.10