The R400 offers unrivalled power and clarity from a center channel speaker. The addition of two 6.5” turbine cone woofers and Polk’s unique X-Port technology means it delivers enormous yet balanced sound, ideal for the ultimate home theater system.

• Dual 6.5" Turbine Cone woofers
• 1" Pinnacle Ring Radiator tweeter
• X-Port for deep bass
• Hi-Res Audio certified
• Dolby Atmos & DTS:X compatible

TRANSDUCER

• Tweeter1" Pinnacle Ring Radiator
• Mid-range/Mid-bass-
• WoofersTwo 6 ½” Turbine Cone
• Overall Frequency Response36Hz - 50kHz
• Frequency Response (-3dB limits)48Hz - 39kHz
• Recommended Amplifier Power20 - 200W
• Amplifier Output Compatibility8Ω / 6Ω / 4Ω
• Minimum Impedance (ohms)4.1Ω
• Sensitivity (2.83V/1m)89dB