Support Overview / Speakers / Stereo & Surround Speakers / Floorstanding / CST56
CST56

CST56

300-watt, two-way, dual 5" floor-standing loudspeaker

Getting started with your CST56

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Product Specifications

Series
Cinema Sound Series
Sensitivity
(2.83V@1m) 90dB
Power Handling (Recommended)
50W
Frequency Response
(-6dB) 55Hz-30kHz
Maximum Recommended Amplifier Power
150W
Power Handling (Peak)
300W
Nominal Impedance
8 ohms
Weight (lb)
17
Width (in)
11-1/4
Depth (mm)
286
Height (in)
46
Weight (kg)
7.7
Width (mm)
286
Depth (in)
11-1/4
Height (mm)
1168
High-Frequncy Transducer
3/4" (19mm) titanium-laminate dome, video shielded
Low-Frequency Transducer
Dual 5" (130mm) transducers with PolyPlas cones, neodymium magnets and HeatScape motor structure, video-shielded

The JBL® Cinema Sound CST56 looks great with the latest flat-screen and plasma television sets: silver enclosure, high-gloss black front panel, black grille. But the big deal is how it integrates and completes your experience, pounding out big, crisp, clear, glorious audio that’s worthy of today’s high-definition pictures. JBL® Professional audio standards come home in this speaker, with proprietary technology like PolyPlas™ reinforced woofers and titanium-laminate tweeters mounted in Elliptical Oblate Spheroidal™ waveguides. And that’s just the start. Your favorite music and movies will have sound that washes over you, as its creators intended.

Stiffer cones deliver more uniform pistonic motion for deeper, tighter bass and improved midrange tones. PolyPlas™ coating gives the JBL® CST56’s cones maximum-impact JBL® audio. You’ll experience serious, feel-it-in-your-bones bass and cinema sound that does justice to a great HDTV picture.
The HeatScape™ motor structure envelops the JBL® CST56’s voice coil with a large ceramic magnet and a steel frame. It protects the voice coil by dissipating heat away from it to increase power handling and give you extremely low levels of harmonic distortion.
The JBL® CST56’s thin but rigid titanium-laminate tweeter delivers accurate high-frequency response, even when the volume is way up. The end result is full, clear, tight reproduction of sound. And there’s a seamless transition between the middle and high frequencies.
Elliptical Oblate Spheroidal TM (EOS) waveguides, originally developed for JBL® Professional LSR studio monitors, disperse the JBL® CST56’s clean high-frequency sound precisely across a wide listening area. There’s no “sweet spot.” Sit wherever you want.
By providing the shortest possible route from the input terminals to the transducers, the JBL® CST56’s proprietary crossover design minimizes noise and signal loss. So you’ll hear everything your TV and music sources can dish out.
At 55Hz to 30kHz, with 90dB sensitivity, nothing is over- or under-emphasized by the JBL® CST56. You get a true, full sound range from deep bass tones to ultrahigh frequencies.
With 50 watts of continuous power handling and 300 peak, the JBL® CST56 performs like a pro. It uses technology derived directly from JBL® Professional products and gives your home theater audio the unparalleled spaciousness and definition it wants.
Put the JBL® CST56 anywhere that makes sense in your home theater setup. It’s magnetically shielded for placement on the floor wherever you want, including right near your TV or video display.

Images & Videos

CST56 - Black - Two-way, dual 5" (130mm) Cinema Sound floorstanding loudspeaker - Hero
  • CST56 - Black - Two-way, dual 5" (130mm) Cinema Sound floorstanding loudspeaker - Hero
  • CST56 - Black - Two-way, dual 5" (130mm) Cinema Sound floorstanding loudspeaker - Front
  • CST56 - Black - Two-way, dual 5" (130mm) Cinema Sound floorstanding loudspeaker - Detailshot 1

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