In this review, we will be comparing Heresy IV and R700, two Passive Floor-standing speakers from Klipsch and Polk Audio. Let's have a brief look at the main features
of Klipsch Heresy IV and Polk R700 first before getting into our more
detailed comparison.
In the following sections, we will get into more detail in order to better understand how the Klipsch Heresy IV and Polk R700 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
Both Heresy IV and R700 are 3-way speakers.
| Driver |
Klipsch Heresy IV |
Polk R700 |
|
Driver Setup
|
3-way
|
3-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
1 x 1.75-inch |
1 x 6.5-inch |
|
Woofer
|
1 x 12-inch
|
2 x 8-inch
|
Heresy IV features a 1" titanium-diaphragm compression horn-loaded Tweeter , a 1.75" Midrange and 1 x 12" Fiber-composite Woofer . On the other hand, the R700 features a 1" Pinnacle Ring Radiator Tweeter , a 6.5" Midrange and 2 x 8" Polypropylene Woofer with a Crossover frequency at 350Hz and 2700Hz.
Frequency Response
Heresy IV has a frequency range of 48-20k Hz whereas R700 has a frequency range of 38-38k Hz. With a minimum frequency of 38Hz, the R700 can go significantly deeper on the low side and provide stronger bass compared to the Heresy IV's min frequency of 48Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Floor-standing class in our database.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing Speakers
None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
Heresy IV and R700 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. Heresy IV sensitivity is rated at 99 dB and the R700's is at 88 dB. This 11 dB difference makes the Klipsch Heresy IV a more sensitive speaker compared to Polk R700, hence will play louder with the same amount of watts.
Sensitivity
Floor-standing Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.
Heresy IV can handle a max power of 300 watts RMS from the amp the whereas Heresy IV has a max power handling value of 100 watts RMS , 200 watts less than the R700.
Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker
compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters
such as Impedance, sensitivity and system efficiencies.
Input Type and Bi-Amping / Bi-Wiring
Both Heresy IV and R700 features dual binding post speaker terminals for bi-amping or bi-wiring.
Polk R700's Post terminals allows Bi-amping or bi-wiring
Polk R700 Port
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Klipsch Heresy IV's and Polk R700's external dimensions. Klipsch Heresy IV has external dimensions of 631.0 x 394.0 x 337.0mm ( 24-13/16 x 15-1/2 x 13-1/4inch) whereas Polk R700 has external dimensions of 1143.8 x 320.7 x 428.3mm ( 45 x 12.6 x 16.9inch) .
Klipsch Heresy IV is 512.8mm shorter and 91.3mm less deeper than Polk R700 but it is also 73.3mm wider.
Below you can see the front view size comparison of Klipsch Heresy IV and Polk R700 in scale.
Comparison image of Klipsch Heresy IV and Polk R700 Size and External Dimensions
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Klipsch Heresy IV is approximately 1327.8cm2 / 205.8inch2 and base area of the Polk R700 is approximately 1373.6cm2 / 212.9inch2. The Heresy IV requires 3% less surface area than the R700 which gives it a small advantage on placement in tight spaces.
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The Klipsch Heresy IV weighs 20.45kg / 45lbs and the Polk R700 weighs 35.90kg / 79lbs. This makes the R700 76% heavier than the Heresy IV.
Here is a comparison of how Heresy IV and R700's weights compare with the average, max and min weights in Passive Floor-standing class.
Weight
All Floor-standing Speakers
What's in the Box of Klipsch Heresy IV?
Here are the items that are included inside the box of Heresy IV:
2 Floor-standing loudspeakers2 Detachable grilles (installed)2 Base risers (installed)8 Self-adhesive rubber feet4 Jumper-straps (installed)Owners ManualCongratulations letterKlipsch brochure
What's in the Box of Polk R700?
Here are the items that come with the R700:
Floorstanding loudspeaker
4 Outrigger feet (pre-installed)
4 Rubber feet (pre-installed)
4 Spike feet (pre-installed)
Grille
Hex-key
Owner's Manual
Online Registration
 Sensitivity |
99 dB
vs
88 dB
|
Play louder with same amount of amplification power |
 Woofer Size |
12 inches
vs
8 inches
|
Larger woofer |
 Height |
631mm
vs
1143mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1327cm2 (394x337mm)
vs
1373cm2 (320x428mm)
|
Takes less floor space |
 Max Input Power |
300 watts
vs
100 watts
|
Handle more power from your amplifier |
| Number of Woofers |
2
vs
1
|
More woofers |
| Low Frequency Response |
38 Hz
vs
48 Hz
|
Generates deeper bass |
 High Frequency Response |
38k Hz
vs
20k Hz
|
Generates higher frequency |
 Price per pair* |
2198USD
vs
3198USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Klipsch Heritage Heresy IV |
Polk Audio Reserve R700 |
| Brand |
Klipsch |
Polk Audio |
| Speaker Type |
Floor-standing speaker |
Floor-standing speaker |
| Power Range |
up to 100 watts |
50-300 watts |
| Sensitivity |
99 dB |
88 dB |
| Impedance |
8 ohms |
8 ohms |
| Impedance |
n/a |
3.6 ohms |
| Frequency Response |
48-20k Hz |
38-38k Hz |
Drivers |
|
|
| Woofer Quantity |
1 |
2 |
| Woofer Size |
12" |
8" |
| Woofer Composition |
Fiber-composite |
Polypropylene |
| Woofer Surround Material |
Treated cloth |
Rubber |
| Tweeter Size |
1" |
1" |
| Tweeter Type |
horn-loaded |
Pinnacle Ring Radiator |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
1.75" |
6.5" |
| Crossover Frequency |
n/a |
350Hz and 2700Hz |
| Firing Direction |
n/a |
bottom |
Physical Specs |
|
|
| Height |
631.0mm (24.8") |
1143.8mm (45") |
| Width |
394.0mm (15.5") |
320.7mm (12.6") |
| Depth |
337.0mm (13.3") |
428.3mm (16.9") |
| Weight |
20.45kg (45lbs) |
35.90kg (79lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Finish |
MDF/Wood veneer |
MDF/Vinyl |
| Available Colors |
Black |
Black, Walnut, White |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Biamp Inputs |
Yes |
Yes |
Other |
|
|
| Parts Warranty |
10 Years |
5 Years |
| Labor Warranty |
10 Years |
5 Years |