Reasons to choose Polk Audio Reserve R400 over Polk Audio Reserve R700
Sensitivity 89 dB vs 88 dB
Minimum Impedance 4.1 ohms vs 3.6 ohms
High Frequency Response 39k Hz vs 38k Hz
Height 199mm vs 1143mm
Price per pair* 649USD vs 2198USD

Reasons to choose Polk Audio Reserve R700 over Polk Audio Reserve R400

Max Input Power 300 watts vs 200 watts
Driver Setup 3-way vs 2-way
Woofer Size 8 inches vs 6.5 inches
Low Frequency Response 38 Hz vs 48 Hz
Bi-Amping and Bi-Wiring Yes vs No
Base Surface Area 1373cm2 vs 2299cm2
Polk R400 vs Polk R700 Specs Table
General Polk Audio Reserve R400 Polk Audio Reserve R700
Brand Polk Audio Polk Audio
Speaker Type Center channel speaker Floor-standing speaker
Power Range 20-200 watts 50-300 watts
Sensitivity 89 dB 88 dB
Impedance 8 ohms 8 ohms
Impedance 4.1 ohms 3.6 ohms
Frequency Response 48-39K Hz 38-38k Hz
Drivers
Woofer Quantity 2 2
Woofer Size 6.5" 8"
Woofer Composition Polypropylene Turbine Cone Polypropylene
Woofer Surround Material Rubber Rubber
Tweeter Size 1" 1"
Tweeter Type Pinnacle Ring Radiator Pinnacle Ring Radiator
Aimable Tweeter No No
Midrange Driver N/A" 6.5"
Crossover Frequency 2500Hz 350Hz and 2700Hz
Firing Direction rear bottom
Physical Specs
Height 199.0mm (7.8") 1143.8mm (45")
Width 618.0mm (24.3") 320.7mm (12.6")
Depth 372.0mm (14.6") 428.3mm (16.9")
Weight 14.91kg (32.8lbs) 35.90kg (79lbs)
Enclosure Bass Reflex Bass Reflex
Finish n/a MDF/Vinyl
Available Colors Black, Walnut Black, Walnut, White
Grille Yes Yes
Moisture Resistancy No No
Connections
Biamp Inputs No Yes
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years