Reasons to choose Klipsch Reference Premiere RP-450C over Klipsch Reference Premiere RP-4000F
Max Input Power 150 watts vs 75 watts
Sensitivity 97 dB vs 95 dB
Woofer Size 5.25 inches vs 4 inches
Number of Woofers 4 vs 2
Height 174mm vs 870mm
Price per pair* 650USD vs 698USD

Reasons to choose Klipsch Reference Premiere RP-4000F over Klipsch Reference Premiere RP-450C

Low Frequency Response 37 Hz vs 58 Hz
Base Surface Area 543cm2 vs 2926cm2
Klipsch RP-450C vs Klipsch RP-4000F Specs Table
General Klipsch Reference Premiere RP-450C Klipsch Reference Premiere RP-4000F
Brand Klipsch Klipsch
Speaker Type Center channel speaker (Ebony) Floor-standing speaker
Power Range up to 150 watts up to 75 watts
Sensitivity 97 dB 95 dB
Impedance 8 ohms 8 ohms
Frequency Response 58-25k Hz 37-25k Hz
Drivers
Woofer Quantity 4 2
Woofer Size 5.25" 4"
Woofer Composition Cerametallic cone Cerametallic
Woofer Surround Material Rubber Rubber
Tweeter Size 1" 1"
Tweeter Type Tractrix horn Tractrix Horn
Aimable Tweeter No No
Midrange Driver No No
Firing Direction rear rear
Physical Specs
Height 174.0mm (6.9") 870.0mm (34.3")
Width 791.0mm (31.1") 188.0mm (7.4")
Depth 370.0mm (14.6") 289.0mm (11.4")
Weight 16.23kg (35.7lbs) 13.18kg (29lbs)
Enclosure Bass Reflex Bass Reflex
Finish polymer veneer MDF/Wood-grain vinyl
Available Colors Walnut, Black Walnut, Black
Grille Yes Yes
Moisture Resistancy No No
Connections
Biamp Inputs n/a Yes
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years