Studio 120C
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25 – 240 watts suggested amplifier power range

JBL engineers designed the Studio 120C centre-channel loudspeaker to deliver enhanced, room-filling sound from a compatible AVR (audio/video receiver) or 25- to 240-watt power amplifier, whether you are using the Studio 120C as a stand-alone unit or as part of a surround-sound system.


Dual 4" (100mm) PolyPlas woofers

Powerful bass does more than affect your ears. It resonates through your entire body, creating a soundscape that you can feel as well as hear. JBL engineers created the Studio 120C’s dual 4-inch (100-millimetre) low-frequency cones with that consideration in mind. Designed to work in tandem to provide a greater level of sound volume, the pair of lightweight, inherently stiff PolyPlas woofers deliver precise movement and astonishing sound that is deep but never “boomy.”


Patented CMMD Lite 1" (25mm) tweeter

The CMMD® high-frequency tweeter starts as an aluminium dome that is sandwiched on either side with ceramic. The result is strong enough to hold its shape when moving rapidly yet light enough to eliminate unwanted resonances. What your ears notice, however, is subtle, clear detail and lasting, unsullied sound performance.


Proprietary Bi-Radial waveguide

The Studio 120C’s Bi-Radial® waveguide disperses high frequencies widely throughout a room without loss of quality or accuracy. The result is precise, 360-degree imaging, sharp and rich high-definition (HD) sound and a wide listening position that makes every seat in the room the one to fight for.


Magnetically shielded for video proximity

Loudspeakers use magnets. Your TV hates magnets. But that doesn’t mean that you have to listen to movies on your television set’s often inadequate loudspeaker. Nor should you compromise your HDTV’s high-definition capabilities. JBL engineers have designed the JBL® Studio 120Cs to form an integral part of any home experience. We have optimized them for inspired performance while making them magnetically shielded to prevent any interference with video sources.


Distinctive JBL Weave design

The JBL Weave design is a perfect convergence of form and function. Whether you need your JBL Studio 120C loudspeakers to blend in or stand out, we’ve designed them to look sharp and stylish in any room.

Specs & Downloads



A centre-channel loudspeaker that’s the star of the show.

Ironically, the key to a great surround-sound experience comes from right in front of you. A startlingly immersive experience begins with the centre-channel loudspeaker; JBL® engineers created the Studio 120C with that very challenge in mind. A centre loudspeaker is the source or focal point around which the rest of a surround-system sound plays off. In the case of the JBL Studio 120C, that speaker is a true maestro. For starters, we’ve equipped the Studio 120C with a pair of 4-inch (100-millimetre) PolyPlas™ low-frequency woofers, ensuring high playback levels with virtually non-existent distortion. Light weight and inherent stiffness are key design ingredients for great woofers; these woofers have just the right amount of both, delivering precise cone movement and crisp clarity. A CMMD® Lite dome tweeter uses its own extreme stiffness and damping element to sustain high-range tones and melodies. We’ve housed the Studio 120C inside a cabinet design that looks as alluring as it sounds. Featuring a signature JBL Weave design, the Studio 120C can stand out or blend in. It’s your choice.

General Specifications

2-1/2-way dual center channel
Studio 1 Series

Audio Specifications

Power Handling (Recommended)
60 watts
Crossover Frequencies
900Hz, 12dB/octave;
(2.83V@1m) 88dB
Nominal Impedance
8 ohms
Power Handling (Peak)
240 watts
Maximum Recommended Amplifier Power
Frequency Response
(-3dB) 60Hz – 22kHz


Depth (mm)
Weight (lb)
Width (in)
Height (mm)
Depth (in)
Weight (kg)
Width (mm)
Height (in)

What's in The Box?

  • 1 Studio 120C loudspeaker
  • Adhesive rubber feet
  • Owner’s manual
What's in The Box?

Documents & Downloads

Reviews and Q&A

Customer Reviews

Rated 5 out of 5 by from Nice sound! Excellent speaker, clear, clean and full sound. And it is truly a steal at this price point!
Date published: 2015-12-19
Rated 5 out of 5 by from Good sound,matches the rest of the series Completes the set of JBL Studio 1 series I have in my bedroom surround system. The complete series sounds great in my room.
Date published: 2017-03-14
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Product Q&A

Although this is under home speakers, is it compatible with i pad or phones for music?

Asked by: Mrs Mabrey
The speakers would need an amp or a receiver to work. If you have an amp or a receiver that can be connected to any mobile sources, then the speaker would work with your iPod or mobile devices.
Answered by: Amir at Customer Service
Date published: 2021-06-06
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