In this review, we will be comparing Elite ES8 and RP-1400SW, two Powered Subwoofer speakers from Polk Audio and Klipsch. Being Powered subwoofers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features of Polk Signature Elite ES8 and Klipsch RP-1400SW first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the Polk Signature Elite ES8 and Klipsch RP-1400SW compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.
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Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.Both Polk Signature Elite ES8and Klipsch RP-1400SW have a single woofer setup however the Polk Signature Elite ES8's woofer is 8-inch whereas the Klipsch RP-1400SW features a 14-inch woofer.
Frequency Response
Elite ES8 has a frequency range of 32-180 Hz whereas RP-1400SW has a frequency range of 16-141 Hz. With a minimum frequency of 16Hz, the RP-1400SW can go significantly deeper on the low side and provide stronger bass compared to the Elite ES8's min frequency of 32Hz.
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 Subwoofer class in our database.
Low Frequency
Subwoofer Speakers
High Frequency
Subwoofer Speakers
Cabinet Type
Both Polk Signature Elite ES8 and Klipsch RP-1400SW have Bass Reflex type cabinets. Bass Reflex type subwoofers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Polk Signature Elite ES8 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 Polk Signature Elite ES8's and Klipsch RP-1400SW's external dimensions. Polk Signature Elite ES8 has external dimensions of 385.0 x 326.0 x 437.0mm ( 15-1/8inch x 12-13/16inch x 17-3/16inch ) whereas Klipsch RP-1400SW has external dimensions of 542.0 x 508.0 x 653.0mm ( 21-5/16inch x 20inch x 25-11/16inch ) .
Klipsch RP-1400SW is clearly the larger of the two speakers. Its body is 182mm wider, 157mm taller and 216mm deeper than Polk Signature Elite ES8.
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 Polk Signature Elite ES8 is approximately 1424.6cm2 / 220.8inch2 and base area of the Klipsch RP-1400SW is approximately 3317.2cm2 / 514.2inch2. The Elite ES8 requires 57% less surface area than the RP-1400SW which gives it a small advantage on placement in tight spaces.
Weight Comparison The weight of a subwoofer may become an important factor if you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. The Polk Signature Elite ES8 weighs 17.73kg / 39lbs and the Klipsch RP-1400SW weighs 38.05kg / 83.7lbs. This makes the RP-1400SW 115% heavier than the Elite ES8.
Here is a comparison of how Elite ES8 and RP-1400SW's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
 High Frequency Response |
180k Hz
vs
141k Hz
|
Generates higher frequency |
 Height |
385mm
vs
542mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
1424cm2
vs
3317cm2
|
Takes less floor space |
 Price per pair* |
449USD
vs
1399USD
|
costs less (*prices may change depending on the seller, location and time) |
 Woofer Size |
14 inches
vs
8 inches
|
Larger woofer |
| Low Frequency Response |
16 Hz
vs
32 Hz
|
Generates deeper bass |
 Wireless Operation |
Optional
vs
No
|
Connect your subwoofer to your system wireless |
| General |
Polk Signature Elite ES8 |
Klipsch Reference Premiere RP-1400SW |
| Brand |
Polk Audio |
Klipsch |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
100 watts |
500 watts |
| Frequency Response |
32-180 Hz |
16-141 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
100-watt RMS |
500-watt RMS |
| Watts Peak (Max) |
n/a |
1000-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
8" |
14" |
| Woofer Composition |
Mineral-filled polypropylene |
Cerametallic |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
385.0mm (15.2") |
542.0mm (21.3") |
| Width |
326.0mm (12.8") |
508.0mm (20") |
| Depth |
437.0mm (17.2") |
653.0mm (25.7") |
| Weight |
17.73kg (39lbs) |
38.05kg (83.7lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Finish |
n/a |
MDF with Vinyl |
| Available Colors |
n/a |
Ebony |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
3 Years |
5 years |
| Labor Warranty |
3 Years |
5 years |