Ascendo ASC-24SPAS The24 SUB 24" PRO - Active Infrasonic Sealed Subwoofer
SKU: 20330651406

Ascendo ASC-24SPAS The24 SUB 24" PRO - Active Infrasonic Sealed Subwoofer

Sale price$15300.00 Regular price$17000.00
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Description

Ascendo ASC-24SPAS The24 SUB 24" PRO - Active Infrasonic Sealed SubwooferHigh performance infrasonic subwoofer re defined The SMSG24 infrasub is a statement. Its huge cone surface area and huge 90 mm of linear stroke represents a world record for cinema subwoofers allow it to move a gigantic volume of 10 litres of air per stroke to pressurise the room. Due to its ultra low resonance frequency and its sealed enclosure design the group delay is several times faster than the smaller 18", 15" or 12" subwoofers at the same

High-performance - infrasonic subwoofer re-defined

The SMSG24 infrasub is a statement.

Its huge cone surface area and huge 90 mm of linear stroke - represents a world record for cinema subwoofers - allow it to move a gigantic volume of 10 litres of air per stroke to pressurise the room. Due to its ultra-low resonance frequency and its sealed enclosure design the group delay is several times faster than the smaller 18", 15" or 12" subwoofers at the same frequency. Also the acoustic power output per cubic inch is by far in favour of this unique design compared to stacked multiple smaller subwoofers.

Its ingenious design allows the ASC-24SPAS to produce frequencies in the infrasonic frequency range with authority, reaching down lower than subwoofers with a smaller diaphragm surface ever will. At the same time this infrasub renders those notes with much more power, structure and resolution. This AIA-developed 62 cm / 24" super woofer is powered by one of the best high current amplifier designs delivering 6000 watts of power for multiple seconds. Its state-of-the-art DSP control allows to perfectly align the ASC-24SPAS to any existing setup by adjusting crossover, phase and amplitude response.

The ASC-24SPAS ideally suits not only all types and sizes of cinemas, but also high-end stereo systems. Much of the spacial room information of the recording environment in a great audiophile recording is contained in the sub 30Hz audio band. You will hear more details in mid and high frequencies.


ASC-24SPAS - more bass pressure, depth, structure, attack, imaging equals more enjoyment.

Specifications 

Speaker type

Custom-built 24“ woofer, 13cm voice coil, 90mm linear excursion (world record), with AIA Speaker Management technology

Principle

Sealed

SPL

120dB Cont. / 122dB Peak (@30Hz)

Frequency range

10Hz to 55Hz

Amplifier

6000W

Width x Height x Depth

700 x 1100 x 500mm

Weight

110kg

 

All speakers are supplied with a front grille as standard

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20330651406

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L. from lil Rhody
Cuba, US
★★★★★ 2
cute but not the material I expected
Size: Small, Color: Pure Black
This was really cute, well made and fit as expected. Unfortunately, I have sensitive skin and I found the material to be scratchy so I sent it back.
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Reviewed in the United States on April 19, 2026
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C. Quittmeyer
Los Angeles, US
★★★★★ 5
Nice quality sweater, well made and soft.
Size: Large, Color: Pure Beige
I love this sweater - but I bought it just in time for summer, so it won't get much use until fall! It fits great, it is really soft and the overall quality is quite good. I plan to buy another one in another color as well.
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Reviewed in the United States on May 22, 2026
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Nola
Carnegie, US
★★★★★ 4
Nice casual looking sweater
Size: Small, Color: Pure Black
I purchased the black/cream inset sweater in a small. I usually wear a small. I fits loose, but NOT baggy. I like the loose fit. The sweater feels so soft. Nice looking sweater. Very happy with the sweater, but could have ordered a medium for a boxier fit.
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Reviewed in the United States on May 20, 2026
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Constance Law
Lake Worth, US
★★★★★ 5
Good quality & trendy color sweater
Size: Large, Color: Pure Apricot
This sweater is very soft, light and very suitable for keeping mild warm at the temperature of 20c or inside an air conditioning room. Particularly, the trendy color for 2026 in brown suede jacket, this sweater is real good matching item! I like it! 😍😍😍
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Reviewed in the United States on February 27, 2026
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BETTY HILDRETH
Whiting, US
★★★★★ 5
very stylish
Size: Medium, Color: Pure Apricot
true to size. very comfortable.
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Reviewed in the United States on June 1, 2026

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