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  1. Home
  2. Klipsch Speakers
  3. Powered Subwoofers
  4. Klipsch SPL-150
Klipsch SPL-150 Subwoofer Review
Klipsch SPL-150 - Front View

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Main Features

  • 15" Cerametallic Woofer
  • 400 watts RMS Output
  • 18-125 Hz Frequency Response
  • Weight: 75.40 lbs / 34.27kg
  • Dimensions (H x W x D): 21-1/2" x 19-1/2" x 23-3/4"
MSRP: $1,399 (list price)
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Klipsch SPL-150 Subwoofer Review
Klipsch SPL-150 Klipsch SPL-150
Check price atAmazon›

Made by Klipsch · United States · since 1946 · sold through dealers

SPL-150 is a Ported type Powered Subwoofer by Klipsch with a frequency range of 18-125 Hz. It was released in 2018. It features 1 x 15" Cerametallic Woofer, and powered by a 400 watts amplifier.

SPL-150 is a member of Klipsch's SPL series of Powered subwoofers. The SPL range are Klipsch's high-output powered subwoofers. Below you can see the main specs of these subwoofers as well as review and comparison links.

Klipsch SPL Series Subwoofers
Model Frequency Woofer Amp Power Weight
Klipsch SPL-100
Compare
27-125 Hz 10" 200 watts 16.82kg
Klipsch SPL-120
Compare
24-125 Hz 12" 300 watts 20.45kg
Klipsch SPL-150
18-125 Hz 15" 400 watts 34.27kg

Frequency Response

Where should the crossover go? →  ·  What will your room do to this bass? →

Klipsch SPL-150 has a Frequency response range of 18-125 Hz. Thanks to its 1 x 15-inch driver and 400 watts RMS amplifier, at 18Hz the SPL-150 can generate bass levels that is even below 20Hz which is considered to be the bottom limit of Full Range sound (20Hz -20kHz) that human can hear.

Here we have a comparison of how SPL-150's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Powered Subwoofers
Klipsch SPL-150
Min
Average
Max
High Frequency
Subwoofer Speakers
Klipsch SPL-150
Min
Average
Max

Among all subwoofers in our database with a max MSRP price of 1500$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the Klipsch SPL-150's 18Hz:

  • GoldenEar SuperSub X with Low Frequency of 12 Hz (Compare w/ SPL-150)
  • GoldenEar ForceField 40 with Low Frequency of 14 Hz (Compare w/ SPL-150)
  • GoldenEar ForceField 4 with Low Frequency of 14 Hz (Compare w/ SPL-150)
  • Klipsch RP-1400CSW with Low Frequency of 15 Hz (Compare w/ SPL-150)
  • SVS PB-2000 Pro with Low Frequency of 16 Hz (Compare w/ SPL-150)

Low-Pass Crossover

Klipsch SPL-150 has a variable Low-pass filter (LFP) which lets you choose a frequency level between 40-120 Hz in order to block any frequencies above that point from reaching the amplifier.

Inputs and Outputs

  • PreampLevel Inputs: Stereo RCA/LFE
  • SpeakerLevel Inputs: No
  • SpeakerLevel Outputs: No
  • Wireless: No

Wireless Connection

Klipsch SPL-150 lets you make a wireless connection to your system with an optional adapter. Wireless connection helps to minimize the cables running on your floor.

Klipsch SPL-150 External Dimensions and Weight

Klipsch SPL-150 has external dimensions of (Height x Width x Depth) 21-1/2 x 19-1/2 x 23-3/4inch (547.0 x 496.0 x 604.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of Klipsch SPL-150 is approximately 2995.8cm2 / 464.3inch2.

To get a better perspective on the real life size of Klipsch SPL-150, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Klipsch SPL-150 Real Life Body Size Comparison
Klipsch SPL-150 Speaker Size Compared to a Compact Disc

Here we place the Klipsch SPL-150 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

Klipsch SPL-150 placed next to a Media Stand
Klipsch SPL-150 Subwoofer next to a Media Stand

Find speakers that fit your shelf or alcove →

Weight

The Klipsch SPL-150 weighs 34.27kg / 75.4lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how SPL-150's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
Klipsch SPL-150
Min
Average
Median
Weight
Subwoofer Speakers under $1500
Klipsch SPL-150
Min
Average
Max

Cabinet type and Materials

Klipsch SPL-150 has a Bass Reflex type cabinet. Ported subwoofers are generally accepted to be more suitable for home theatre systems whereas the sealed designs are preferred for music oriented systems.

Port Position

Klipsch SPL-150 is a front-firing port speaker, which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.

Does the Klipsch SPL-150 come with a Grille?

SPL-150 comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.

What's in the Box of Klipsch SPL-150?

Here are the items that are included inside the box of SPL-150:
  • Powered sub
  • Grille
  • 6.5-feet AC power cord
  • User Manual
  • Important Safety Instructions
  • Warranty Information

Recommended Accessories

Here is a list of accessories that we think you may need for the Klipsch SPL-150.

  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Warranty

2 Years of parts warranty and 2 Years of labor warranty is generally provided by the manufacturer.

Klipsch SPL-150 Detailed Specifications

General
BrandKlipsch
Full Model NameKlipsch SPL-150
TypePowered Subwoofer
Release Date2018
Frequency Response18-125 Hz
Enclosure TypePorted
EnclosureBass Reflex
Firing DirectionFront
Port Positionfront
Amplifier & Driver
Power (RMS)400 watts
Woofer15-inch Cerametallic

Controls & Connections
Low-pass Crossover40-120 Hz
Phase ControlYes
WirelessOptional
Line-level InputsStereo RCA/LFE
Speaker-level InputsNo
Speaker-level OutputsNo
Physical
Dimensions (HxWxD)21-1/2" x 19-1/2" x 23-3/4" (547.0 x 496.0 x 604.0mm)
Weight34.27 kg (75.4 lbs)
GrilleYes
Mounting BracketNo
Parts Warranty2 Years
Labor Warranty2 Years
Klipsch SPL-150 Alternatives in Powered Subwoofer Speakers
Model Frequency Woofer Amp Power Dimensions
Polk Monitor XT12
Compare
24-160 Hz 12" 50 watts 16-7/16inch x 16-1/16inch x 19-1/16inch
SVS SB-1000 Pro
Compare
20-270 Hz 12" 325 watts 13-1/2inch x 13inch x 15-13/16inch
B&W DB4S
Compare
10-350 Hz 10" 1000 watts 14-3/4 x 14-1/4 x 17-1/16inch
Klipsch R-121SW
Compare
28-120 Hz 12" 200 watts 16-5/8inch x 16inch x 20-15/16inch
Klipsch R-101SW
Compare
30-160 Hz 10" 150 watts 14-9/16inch x 14-1/16inch x 20-13/16inch
Klipsch RP-1200SW
Compare
17-138 Hz 12" 400 watts 18-15/16inch x 17inch x 25-15/16inch
KEF KC62
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11-200 Hz 6.5" 1000 watts 9-5/8inch x 10-1/8inch x 11-1/16inch
Klipsch R-100SW
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32-120 Hz 10" 150 watts 14-5/8 x 12-9/16 x 18-1/16inch
Wharfedale SW-15
Compare
30-120 Hz 15" 400 watts 22-7/16inch x 19-3/8inch x 24-3/16inch
Klipsch SPL-100
Compare
27-125 Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch
B&W ASW610
Compare
27-140 Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch
KEF KUBE 8b
Compare
34-140 Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch
KEF KUBE 10b
Compare
24-140 Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch
B&W ASW608
Compare
32-140 Hz 8" 200 watts 10-11/16 x 10-1/4 x 13-3/4inch
JBL Stage A120P
Compare
32-150 Hz 12" 250 watts 16-5/16 x 15-7/16 x 18-11/16inch
Klipsch SPL-120
Compare
24-125 Hz 12" 300 watts 17-11/16 x 14-3/4 x 21-1/4inch
Frequently Asked Questions about Klipsch SPL-150

How low can the Klipsch SPL-150 go?

The Klipsch SPL-150 has a frequency response of 18-125 Hz. It digs below 20Hz, the bottom limit of human hearing, so you get deep, physical bass you feel as much as hear.

How much power does the Klipsch SPL-150 have?

The Klipsch SPL-150 has a built-in 400-watt RMS amplifier.

Is the Klipsch SPL-150 sealed or ported?

The Klipsch SPL-150 uses a Ported enclosure. Ported (bass-reflex) designs use a tuned vent to move more air, giving deeper, louder output for the same driver, which suits home theater.

What driver does the Klipsch SPL-150 use?

The Klipsch SPL-150 has a 15-inch Cerametallic driver.

Does the Klipsch SPL-150 have app control or room correction?

Yes. The Klipsch SPL-150 offers an adjustable low-pass crossover (40-120 Hz) and phase control, letting you dial the sub into your room and blend it with your speakers.

How do you connect the Klipsch SPL-150?

The Klipsch SPL-150 connects via line-level Stereo RCA/LFE inputs, and supports a optional wireless connection.

How big and heavy is the Klipsch SPL-150?

The Klipsch SPL-150 weighs 34.27kg / 75.4lbs and measures 21-1/2" x 19-1/2" x 23-3/4" (HxWxD).

How much does the Klipsch SPL-150 cost?

The Klipsch SPL-150 has a manufacturer's list price (MSRP) of $1,399.

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