The CST56 from JBL is a 2-way floorstanding speaker that delivers natural, detailed audio in a slim design. The speaker features a pair of 5" PolyPlas reinforced woofers with neodymium magnets, as well as a 0.75" titanium-laminate tweeter to deliver a wide frequency response. The tweeter has an Elliptical Oblate Spheroidal waveguide to provide natural imaging and a wide sweet spot. The speaker has a 300W peak power handling capacity for strong performance with low distortion. The speaker is also magnetically shielded for safe use near video monitors and other electronics.
| Type | 2-Way, Floorstanding |
| Frequency Response | 55Hz - 30kHz |
| Maximum Power Handling | 50W Continuous, 300W Peak |
| Sensitivity | 90dB |
| Impedance | 8 Ohms |
| Woofer | 2 x 5" (127mm) PolyPlas Cone Woofers with Neodymium Magnets and HeatScape Motor Structure |
| Tweeter | 0.75" (19mm) Titanium-Laminate Dome Tweeter |
| Shielded | Yes |
| Dimensions (HxWxD) | 46 x 11.25 x 11.25" (1168 x 286 x 286mm) |
| Weight | 17 lbs (7.7kg) |