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  1. Home
  2. Kanto Speakers
  3. Powered Subwoofers
  4. Kanto SUB8
Kanto SUB8 Subwoofer Review
Kanto SUB8 - Front View

Compare To

Main Features

  • 8" Paper Woofer
  • 125 watts RMS Output
  • 35-175 Hz Frequency Response
  • Weight: 17.20 lbs / 7.82kg
  • Dimensions (H x W x D): 11-13/16" x 11-1/16" x 12-15/16"
MSRP: $300 (list price)
Check price atAmazon›
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Kanto SUB8 Subwoofer Review
Kanto SUB8 Kanto SUB8
Check price atAmazon›

Made by Kanto · Canada · since 2007 · direct and retail

SUB8 is a Sealed type Powered Subwoofer by Kanto with a frequency range of 35-175 Hz. It was released in 2019. It features 1 x 8" Paper Woofer, and powered by a Class D 125 watts amplifier.

Kanto SUB8  Lifestyle
Kanto SUB8 Lifestyle

Kanto later replaced SUB8 with SUB8 v2. Follow the link to read our in-depth comparison of these speakers:
Compare Kanto SUB8 vs Kanto SUB8 v2

SUB8 is a member of Kanto's SUB series of Powered subwoofers. The SUB range are Kanto's compact powered subwoofers. Below you can see the main specs of these subwoofers as well as review and comparison links.

Kanto SUB Series Subwoofers
Model Frequency Woofer Amp Power Weight
Kanto SUB8
35-175 Hz 8" 125 watts 7.82kg
Kanto SUB8 v2
Compare
35-175 Hz 8" 150 watts 7.82kg
Kanto SUB6
Compare
35-165 Hz 6" 100 watts 5.31kg

Frequency Response

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

Kanto SUB8 has a Frequency response range of 35-175 Hz.

Here we have a comparison of how SUB8'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
Kanto SUB8
Min
Average
Max
High Frequency
Subwoofer Speakers
Kanto SUB8
Min
Average
Max

Among all subwoofers in our database with a max MSRP price of 300$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the Kanto SUB8's 35Hz:

  • Yamaha NS-SW100 with Low Frequency of 25 Hz (Compare w/ SUB8)
  • Sony SA-CS9 with Low Frequency of 28 Hz (Compare w/ SUB8)
  • Yamaha NS-SW050 with Low Frequency of 28 Hz (Compare w/ SUB8)
  • Jamo C 912 with Low Frequency of 29 Hz (Compare w/ SUB8)
  • Klipsch R-10SWi with Low Frequency of 32 Hz (Compare w/ SUB8)

Low-Pass Crossover

Kanto SUB8 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.

Kanto SUB8 Back View
Kanto SUB8 Back View

Inputs and Outputs

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

Kanto SUB8 External Dimensions and Weight

Kanto SUB8 has external dimensions of (Height x Width x Depth) 11-13/16 x 11-1/16 x 12-15/16inch (301.0 x 281.0 x 329.0mm ).

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 Kanto SUB8 is approximately 924.5cm2 / 143.3inch2.

To get a better perspective on the real life size of Kanto SUB8, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

Kanto SUB8 Real Life Body Size Comparison
Kanto SUB8 Speaker Size Compared to a Compact Disc

Here we place the Kanto SUB8 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

Kanto SUB8 placed next to a Media Stand
Kanto SUB8 Subwoofer next to a Media Stand

Find speakers that fit your shelf or alcove →

Weight

The Kanto SUB8 weighs 7.82kg / 17.2lbs. 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 SUB8's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
Kanto SUB8
Min
Average
Median
Weight
Subwoofer Speakers under $300
Kanto SUB8
Min
Average
Max

Cabinet type and Materials

Kanto SUB8 has a Acoustic Suspension type cabinet. Acoustic suspension aka Sealed subwoofers are preferred for music oriented systems whereas the Ported subwoofers are generally accepted to be more suitable for home theatre systems.

What's in the Box of Kanto SUB8?

Here are the items that are included inside the box of SUB8:
  • Powered subwoofer
  • 6-feet AC power cord
  • 9.75-feet mono-RCA cable
  • User Manual

Recommended Accessories

Here is a list of accessories that we think you may need for the Kanto SUB8.

  • 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.

Kanto SUB8 Detailed Specifications

General
BrandKanto
Full Model NameKanto SUB8
TypePowered Subwoofer
Release Date2019
Frequency Response35-175 Hz
Enclosure TypeSealed
EnclosureAcoustic Suspension
Firing DirectionFront
Amplifier & Driver
Power (RMS)125 watts
Power (Peak)250 watts
Amplifier TypeClass D
Woofer8-inch Paper

Controls & Connections
Low-pass Crossover40-120 Hz
Phase ControlYes
WirelessNo
Line-level InputsStereo RCA/LFE
Speaker-level InputsNo
Speaker-level OutputsNo
Physical
Dimensions (HxWxD)11-13/16" x 11-1/16" x 12-15/16" (301.0 x 281.0 x 329.0mm)
Weight7.82 kg (17.2 lbs)
Mounting BracketNo
Parts Warranty2 Years
Labor Warranty2 Years
Kanto SUB8 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
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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
Compare
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 Kanto SUB8

How low can the Kanto SUB8 go?

The Kanto SUB8 has a frequency response of 35-175 Hz. Its low-end extends to 35Hz.

How much power does the Kanto SUB8 have?

The Kanto SUB8 has a built-in 125-watt RMS (250-watt peak) Class D amplifier.

Is the Kanto SUB8 sealed or ported?

The Kanto SUB8 uses a Sealed enclosure. Sealed subwoofers trade a little output for tighter, more accurate bass and a smaller cabinet, which many listeners prefer for music.

What driver does the Kanto SUB8 use?

The Kanto SUB8 has a 8-inch Paper driver.

Does the Kanto SUB8 have app control or room correction?

Yes. The Kanto SUB8 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 Kanto SUB8?

The Kanto SUB8 connects via line-level Stereo RCA/LFE inputs.

How big and heavy is the Kanto SUB8?

The Kanto SUB8 weighs 7.82kg / 17.2lbs and measures 11-13/16" x 11-1/16" x 12-15/16" (HxWxD).

How much does the Kanto SUB8 cost?

The Kanto SUB8 has a manufacturer's list price (MSRP) of $300.

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