Add the Polk FXi A4 surround speakers to your home theater system and enjoy dramatic rear-channel sound effects with your favorite movies. These cleverly designed speakers feature two tweeters aimed 45° from each other, for an ideal mix of direct and indirect sound.

Product highlights:

• bass-reflex (ported) design
• frequency response 60-26,000 Hz (-3dB)
• recommended amplifier power: 20-125 watts
• two 1" silk/polymer dome tweeters
• 5-1/4" Dynamic Balance® polymer composite woofer
• 8-ohm impedance
• sensitivity 88 dB
• dipole/bipole switch
• keyhole slot for easy wall-mounting
• 5-way binding post terminals
• voice-matched to Polk's RTi tower and bookshelf speakers and CSi center channel speakers
• 11-5/16"W x 12-1/16"H x 7-13/16"D