SpeakerDecision
  • SPEAKERS
    • By Type
      Passive Bookshelf Speakers Passive Floor-standing Speakers Passive Center Channel Speakers Passive In-wall Speakers All Passive Speakers Powered Subwoofers Powered Stereo Speakers
      By Feature
      HDMI Input Room Correction Subwoofer Output Front Firing Port Handheld Remote Roon Ready
      By Brand
      Acoustic Energy Aperion ATC Audio-Technica Audioengine Bluesound Bowers Wilkins Buchardt Cambridge Audio Canton DALI Definitive Technology Dynaudio ELAC Emotiva Fluance Focal Fyne Audio Genelec GoldenEar Harbeth Jamo JBL Kanto KEF KLH Klipsch Leak Mackie Magnepan MartinLogan McIntosh Mission MoFi Monitor Audio Nuvo Onkyo OSD Paradigm Perlisten Polk Audio PS Audio PSB Q Acoustics REL Revel Russound Sennheiser Sonos Sonus faber Sony Spendor SVS Tannoy Technics Triangle Velodyne Victrola Wharfedale Wilson Audio Yamaha
  • AMPLIFIERS
    • By Type
      All Amplifiers Integrated Amplifiers Stereo Receivers Streaming Amplifiers Power Amplifiers Compact Amplifiers
      By Power
      Up to 60 watts 61 to 90 watts 91 to 120 watts 121 to 180 watts Over 180 watts
      By Feature
      HDMI Input Room Correction Subwoofer Output Handheld Remote Roon Ready
      Home Theater
      All Home Theater Receivers Anthem ARCAM Denon Integra JBL Marantz McIntosh NAD Onkyo Sony Yamaha
      Headphone Amps
      All Headphone Amplifiers Cambridge Audio iFi Audio McIntosh Naim Pro-Ject Rotel Schiit Audio Sennheiser Yamaha
      Multi-Zone
      All Multi-Zone Amplifiers JBL McIntosh OSD Rotel Russound Sonos
      By Brand
      Accuphase Advance Paris Anthem Arcam Audio Research AudioControl Audioengine Audiolab Bluesound Bose Buchardt Cambridge Audio Denon Devialet ELAC Emotiva Eversolo FiiO Fosi Audio Hegel HiFi Rose Integra JBL Layer Audio Design LEAK Luxman Marantz Mark Levinson McIntosh Michi MISSION MOON Musical Fidelity NAD Naim Onkyo OSD Parasound Pass Labs Peachtree PrimaLuna Primare PS Audio Rega Rogue Audio Roksan Rotel Schiit Audio Sonos Sony SVS T+A TEAC Technics Vincent WiiM Yamaha
  • SMART FIND
  • TOOLS
  • BLOG
  1. Home
  2. JBL Speakers
  3. Powered Subwoofers
  4. JBL L10cs
JBL L10cs Subwoofer Review
JBL L10cs - Front View

Compare To

Main Features

  • 10" Polycellulose Woofer
  • 250 watts RMS Output
  • 32-150 Hz Frequency Response
  • Weight: 31.00 lbs / 14.09kg
  • Dimensions (H x W x D): 15-3/8" x 13-1/4" x 16-1/4"
MSRP: $699 (list price)
Check price atAmazon›
x
Add a Subwoofer for comparison
JBL L10cs Subwoofer Review
JBL L10cs JBL L10cs
Check price atAmazon›

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

L10cs is a Powered Subwoofer by JBL with a frequency range of 32-150 Hz. It was released in 2020. It features 1 x 10" Polycellulose Woofer, and powered by a 250 watts amplifier.

Frequency Response

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

JBL L10cs has a Frequency response range of 32-150 Hz.

Here we have a comparison of how L10cs'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
JBL L10cs
Min
Average
Max
High Frequency
Subwoofer Speakers
JBL L10cs
Min
Average
Max
JBL L10cs Woofer
JBL L10cs's Polycellulose Woofer

Among all subwoofers in our database with a max MSRP price of 750$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the JBL L10cs's 32Hz:

  • OSD Nero DueVoce DualX8 with Low Frequency of 17 Hz (Compare w/ L10cs)
  • Definitive ProSub 1000 with Low Frequency of 18 Hz (Compare w/ L10cs)
  • GoldenEar ForceField 3 with Low Frequency of 18 Hz (Compare w/ L10cs)
  • SVS PB-1000 with Low Frequency of 19 Hz (Compare w/ L10cs)
  • SVS SB-2000 with Low Frequency of 19 Hz (Compare w/ L10cs)

Low-Pass Crossover

JBL L10cs has a variable Low-pass filter (LFP) which lets you choose a frequency level between 50-150 Hz in order to block any frequencies above that point from reaching the amplifier.

JBL L10cs Back View
JBL L10cs Back View

Inputs and Outputs

  • PreampLevel Inputs: Mono-RCA/LFE
  • SpeakerLevel Inputs: No
  • SpeakerLevel Outputs: No
  • Wireless: No

JBL L10cs Connections
JBL L10cs Connections

JBL L10cs External Dimensions and Weight

JBL L10cs has external dimensions of (Height x Width x Depth) 15-3/8inch x 13-1/4inch x 16-1/4inch (391.0 x 337.0 x 413.0mm ).

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 JBL L10cs is approximately 1391.8cm2 / 215.7inch2.

Find speakers that fit your shelf or alcove →

Weight

The JBL L10cs weighs 14.09kg / 31lbs. 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 L10cs's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
JBL L10cs
Min
Average
Median
Weight
Subwoofer Speakers under $750
JBL L10cs
Min
Average
Max

Cabinet type and Materials

JBL L10cs 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.

Speaker Feet

JBL L10cs comes with 4 Spikes which you can use to secure your loudspeaker on the surface that you are putting on.

It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.

Port Position

JBL L10cs is a bottom-firing port speaker.

Available colors

JBL L10cs is available in Natural Walnut and Black Walnut.

JBL L10cs  Colors
JBL L10cs Colors

What's in the Box of JBL L10cs?

Here are the items that are included inside the box of L10cs:
  • Powered subwoofer
  • 6-feet AC power cord
  • 4 Spikes
  • Quick Start Guide
  • Important Safety Instructions

Recommended Accessories

Here is a list of accessories that we think you may need for the JBL L10cs.

  • 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.

User's Manual

For more information about how to setup, use and maintain the JBL L10cs, use the direct link below to download the official manual document:
Download User Manual for JBL L10cs

Official Product Page

Official manufacturer's product page for the JBL L10cs speaker can be found below:
Official Product Page for JBL L10cs

Warranty

1 Year of parts warranty and 1 Year of labor warranty is generally provided by the manufacturer.

JBL L10cs Detailed Specifications

General
BrandJBL
Full Model NameJBL L10cs
TypePowered Subwoofer
Release Date2020
Frequency Response32-150 Hz
EnclosureBass Reflex
Firing DirectionDown
Port Positionbottom
Amplifier & Driver
Power (RMS)250 watts
Power (Peak)500 watts
Woofer10-inch Polycellulose

Controls & Connections
Low-pass Crossover50-150 Hz
Phase ControlYes
WirelessNo
Line-level InputsMono-RCA/LFE
Speaker-level InputsNo
Speaker-level OutputsNo
Physical
Dimensions (HxWxD)15-3/8" x 13-1/4" x 16-1/4" (391.0 x 337.0 x 413.0mm)
Weight14.09 kg (31 lbs)
Available ColorsNatural Walnut,Black Walnut
Parts Warranty1 Year
Labor Warranty1 Year
JBL L10cs 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
Compare
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 JBL L10cs

How low can the JBL L10cs go?

The JBL L10cs has a frequency response of 32-150 Hz. Its low-end extends to 32Hz.

How much power does the JBL L10cs have?

The JBL L10cs has a built-in 250-watt RMS (500-watt peak) amplifier.

What driver does the JBL L10cs use?

The JBL L10cs has a 10-inch Polycellulose driver.

Does the JBL L10cs have app control or room correction?

Yes. The JBL L10cs offers an adjustable low-pass crossover (50-150 Hz) and phase control, letting you dial the sub into your room and blend it with your speakers.

How do you connect the JBL L10cs?

The JBL L10cs connects via line-level Mono-RCA/LFE inputs.

How big and heavy is the JBL L10cs?

The JBL L10cs weighs 14.09kg / 31lbs and measures 15-3/8" x 13-1/4" x 16-1/4" (HxWxD).

How much does the JBL L10cs cost?

The JBL L10cs has a manufacturer's list price (MSRP) of $699.

Was this subwoofer review useful?
Tell us what is missing or wrong and we will fix it.
Thanks. Anything you would add?
Optional, and it goes straight to the person who maintains this page.
Thanks - noted.
LATEST BLOG POSTS

A 1,499 Dollar 300B Amplifier, and What Ten Watts Can Actually Drive
Triangle's Solstice Range Replaces the Esprit, and Every Cabinet Got Bigger
Yamaha's NX-70A Takes Our HDMI Speaker Count to 31, and 15 of Them Do eARC
Five of the 294 Amplifiers We List Still Have a CD Player. None of the 113 Released Since 2023 Do.
KEF's New 250 Watt Amplifier Is a 135 Watt Amplifier When All Eight Channels Are Running
Sonos Built an Eight-Channel Amp and Then Did the Rare Thing: Rated It With All Eight Running


Latest Powered Subwoofers
Klipsch Reference Premiere RP-1600CSW
Klipsch Reference Premiere RP-1600CSW
16-inch Woofer | 14.5-175 Hz | 800 watts
Klipsch Reference Premiere RP-1400CSW
Klipsch Reference Premiere RP-1400CSW
14-inch Woofer | 15-180 Hz | 500 watts
Klipsch Reference Premiere RP-1200CSW
Klipsch Reference Premiere RP-1200CSW
12-inch Woofer | 17-160 Hz | 400 watts
DALI BASIK SUB
DALI BASIK SUB
8-inch Woofer | 33-200 Hz | 170 watts
Bluesound PULSE SUB
Bluesound PULSE SUB
6.5-inch Woofer | | 350 watts
Emotiva Nostala FT12
Emotiva Nostala FT12
12-inch Woofer | 25-150 Hz | 800 watts
Revel Performa4 B140
Revel Performa4 B140
10-inch Woofer | 26-150 Hz | 750 watts
SVS 3000 Micro R Evolution
SVS 3000 Micro R Evolution
9-inch Woofer | 20-230 Hz | 1200 watts
MartinLogan Grotto 15
MartinLogan Grotto 15
15-inch Woofer | 20-120 Hz | 1000 watts
MartinLogan Grotto 12
MartinLogan Grotto 12
12-inch Woofer | 22-120 Hz | 1000 watts


Most Popular Speakers
Klipsch Reference R-51M
Klipsch R-51M
2-way | 93 dB | 8 ohms
ELAC Debut 2.0 B6.2
ELAC Debut 2.0 B6.2
2-way | 87 dB | 6 ohms
Wharfedale Elysian 2
Wharfedale Elysian 2
3-way | 89 dB | 4 ohms
KEF Q150
KEF Q150
2-way | 86 dB | 8 ohms
Bowers & Wilkins 606 S2 Anniversary Edition
B&W 606 S2
2-way | 88 dB | 8 ohms
Klipsch Reference Premiere RP-500M
Klipsch RP-500M
2-way | 93 dB | 8 ohms
Wharfedale EVO5.1
Wharfedale EVO5.1
2-way | 87 dB | 4 ohms
Wharfedale EVO4.1
Wharfedale EVO4.1
2-way | 87 dB | 8 ohms
Wharfedale SUPER LINTON
Wharfedale SUPER LINTON
3-way | 90 dB | 6 ohms
Bowers & Wilkins 606
B&W 606
2-way | 88 dB | 8 ohms

This site contains affiliate links. We may be compensated if you make a purchase after clicking through one of them. As an Amazon Associate we earn from qualifying purchases.
Copyright © 2026 by SpeakerDecision
About Privacy Contact US Camera Decision