ELAC Concentro S 509.2 is a 4-way Passive Bass reflex Floor-standing speaker by ELAC. It was released in 2024. It features a JET 5c AMT Tweeter, 1 x 7" Midrange and 4 x 7" Aluminium sandwich (AS) Woofer.
Four side-firing 180 mm woofers in the ICD layout with a 180 mm AS-XR low-mid and the concentric StepX-JET built on the JET 5c tweeter.
The speaker has a frequency range of 22-50k Hz and a sensitivity of 88 dB.
Room Size Suitability
The size of the room where you plan to use the ELAC Concentro S509.2 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Are you nuts? |
| Small Room | Poor |
| Mid-size Room | Average |
| Large Room | Good |
| Very Large Room | Good |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
ELAC's Concentro 2.0 Series of Loudspeakers
CFS509.2 is a member of ELAC's Concentro 2.0 series of Passive speakers. Below you can see the main specs of these speakers.
See all 5 ELAC Concentro 2.0 models compared »
ELAC Concentro 2.0 Series Speakers
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Frequency Response of the ELAC Concentro S509.2 Speaker
ELAC Concentro S509.2 has a Frequency response range of 22-50k Hz at ±3dB and Power Range of 60-600 watts. With a minimum frequency of 22 Hz, CFS509.2 delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Visit our Powered Subwoofers section to find out more about the available subwoofer options.
Here we have a comparison of how CFS509.2's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing Speakers
Crossover frequency of the ELAC Concentro S509.2?
Impedance and Sensitivity
ELAC Concentro S509.2's nominal impedance level is
4 ohms but can go down to as low as
3.2 ohms, and has a sensitivity of
88 dB.
Sensitivity
Floor-standing Speakers
Nominal Impedance of the 4 Ohms means that the ELAC Concentro S 509.2 is a difficult to drive speaker from nominal Impedance perspective, make sure that you choose an amplifier than can provide 4 Ohms for this speaker.
Many AVRs (audio/video receiver) in the market may have difficulty when the speakers dip below the 4 Ohms levels (this may cause clipping or even physical damage), so we recommend to not pair the ELAC Concentro S 509.2 with an AVR but use an Integrated Amplifier instead.
Sensitivity
88dB of the ELAC Concentro S 509.2 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Minimum Impedance of the ELAC Concentro S509.2
Even though the nominal impedance of the CFS509.2 is 4 ohms, the minimum impedance level of this speaker according to ELAC is 3.2 ohms ELAC Concentro S 509.2 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
Browse all integrated amplifiers
Input Type
CFS509.2 has Binding posts type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.
ELAC Concentro S509.2 External Dimensions and Weight
ELAC Concentro S509.2 has external dimensions of (Height x Width x Depth) 51-15/16 x 12-13/16 x 18-1/8inch (1320.0 x 325.0 x 460.0mm ).
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 ELAC Concentro S509.2 is approximately 1495.0cm2 / 231.7inch2.
WeightThe ELAC Concentro S509.2 weighs 42.80kg / 94.2lbs per piece. Here is a comparison of how CFS509.2's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Cabinet type and Materials
ELAC Concentro S509.2 has a
Bass reflex type cabinet and a MDF/High-gloss lacquer or veneer finish.
Available colors
ELAC Concentro S509.2 is available in Black High Gloss, White High Gloss and Walnut High Gloss.
Recommended Accessories
Here is a list of accessories that we think you may need for the ELAC Concentro S 509.2.
Official Product Page
Official manufacturer's product page for the ELAC Concentro S 509.2 speaker can be found below:
Official Product Page for ELAC Concentro S509.2
Warranty
3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.