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Mission LX-10SUB MKII vs Klipsch SPL-120 Comparison
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Subwoofer to replace
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Mission LX-10SUB MKII

Powered Subwoofer | 40-200 Hz

Mission LX-10SUB MKII
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Klipsch SPL-120

Powered Subwoofer | 24-125 Hz

Klipsch SPL-120
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Mission LX-10SUB MKII Mission LX-10SUB MKI...
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Klipsch SPL-120 Klipsch SPL-120
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Mission LX-10SUB MKI...
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Klipsch SPL-120
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Mission LX-10SUB MKII vs Klipsch SPL-120 Speaker Comparison

In this review, we will be comparing LX-10SUB MKII and SPL-120, two Powered Subwoofer speakers from Mission 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 Mission LX-10SUB MKII and Klipsch SPL-120 first before getting into our more detailed comparison.

Mission LX-10SUB MKII Key Specs

  • 10" Paper Woofer
  • 40-200 Hz Frequency Response
  • 200 watts Max Amplifier Output
  • Weight:16.00kg
  • Dimensions (H x W x D): 17-5/8" x 12-5/16" x 16" ( 447.0 x 312.0 x 407.0mm )

Klipsch SPL-120 Key Specs

  • 12" Cerametallic Woofer
  • 24-125 Hz Frequency Response
  • 300 watts Max Amplifier Output
  • Weight:20.45kg
  • Dimensions (H x W x D): 17-11/16" x 14-3/4" x 21-1/4" ( 450.0 x 375.0 x 540.0mm )

In the following sections, we will get into details in order to better understand how the Mission LX-10SUB MKII and Klipsch SPL-120 compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Drivers

The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.Both Mission LX-10SUB MKIIand Klipsch SPL-120 have a single woofer setup however the Mission LX-10SUB MKII's woofer is 10-inch whereas the Klipsch SPL-120 features a 12-inch woofer.

Frequency Response

LX-10SUB MKII has a frequency range of 40-200 Hz whereas SPL-120 has a frequency range of 24-125 Hz. With a minimum frequency of 24Hz, the SPL-120 can go significantly deeper on the low side and provide stronger bass compared to the LX-10SUB MKII's min frequency of 40Hz.

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

Mission LX-10SUB MKII
Klipsch SPL-120
Min
Average
Max
High Frequency

Subwoofer Speakers

Mission LX-10SUB MKII
Klipsch SPL-120
Min
Average
Max

Cabinet Type

Both Mission LX-10SUB MKII and Klipsch SPL-120 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.

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 Mission LX-10SUB MKII's and Klipsch SPL-120's external dimensions. Mission LX-10SUB MKII has external dimensions of 447.0 x 312.0 x 407.0mm ( 17-5/8 x 12-5/16 x 16inch) whereas Klipsch SPL-120 has external dimensions of 450.0 x 375.0 x 540.0mm ( 17-11/16 x 14-3/4 x 21-1/4inch) .

Klipsch SPL-120 is clearly the larger of the two speakers. Its body is 63mm wider, 3mm taller and 133mm deeper than Mission LX-10SUB MKII.

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 Mission LX-10SUB MKII is approximately 1269.8cm2 / 196.8inch2 and base area of the Klipsch SPL-120 is approximately 2025.0cm2 / 313.9inch2. The LX-10SUB MKII requires 37% less surface area than the SPL-120 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 Mission LX-10SUB MKII weighs 16.00kg / 35.2lbs and the Klipsch SPL-120 weighs 20.45kg / 45lbs. This makes the SPL-120 28% heavier than the LX-10SUB MKII.

Here is a comparison of how LX-10SUB MKII and SPL-120's weights compare with the average, max and min weights in Powered Subwoofer class.

Weight
All Subwoofer Speakers
Mission LX-10SUB MKII
Klipsch SPL-120
Min
Average
Max

Reasons to choose Mission LX-10SUB MKII over Klipsch SPL-120
High Frequency Response 200k Hz vs 125k Hz Generates higher frequency
Height 447mm vs 450mm Easier to fit in smaller spaces
Base Surface Area 1269cm2 vs 2025cm2 Takes less floor space
Reasons to choose Klipsch SPL-120 over Mission LX-10SUB MKII
Woofer Size 12 inches vs 10 inches Larger woofer
Low Frequency Response 24 Hz vs 40 Hz Generates deeper bass
Mission LX-10SUB MKII vs Klipsch SPL-120 Specs Table
Detailed comparison of specifications
General Mission LX-10SUB MKII Klipsch SPL-120
Brand Mission Klipsch
Speaker Type Powered Subwoofer Powered Subwoofer
Max Amplifier Output 200 watts 300 watts
Frequency Response 40-200 Hz 24-125 Hz
Amplifier
Watts RMS (Continuous) 200-watt RMS 300-watt RMS
Watts Peak (Max) 350-watt RMS 600-watt RMS
Drivers
Woofer Quantity 1 1
Woofer Size 10" 12"
Woofer Composition Paper Cerametallic
Tweeter Size - -
Aimable Tweeter No No
Midrange Driver No No
Crossover Frequency 30 - 150Hz n/a
Firing Direction n/a front
Physical Specs
Height 447.0mm (17.6") 450.0mm (17.7")
Width 312.0mm (12.3") 375.0mm (14.8")
Depth 407.0mm (16") 540.0mm (21.3")
Weight 16.00kg (35.2lbs) 20.45kg (45lbs)
Enclosure Bass Reflex Bass Reflex
Grille Yes Yes
Moisture Resistancy No No
Connections
Other
Parts Warranty 2 Years
Labor Warranty 2 Years

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