SKU: 20783129701

Ascendo ASC-24SPPS The24 SUB 24" PRO - Passive Infrasonic Sealed Subwoofer

Sale price$10350.00 Regular price$11500.00
Save 10%

Pay in installments of $2875.00 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 28 - Sep 2

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Ascendo ASC-24SPPS The24 SUB 24" PRO - Passive Infrasonic Sealed SubwooferTHE 24 SUB PRO PASSIVE SEALED The24 SUB PRO PASSIVE SEALED 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 liters 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

THE 24 SUB PRO-PASSIVE SEALED

The24 SUB PRO PASSIVE SEALED 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 liters 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 The24 SUB PRO 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.

The The24 SUB PRO 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.

Specifications

Speaker type

24" forward-firing woofer, with dual 5" voice coil

Xmax

45 mm excursion each direction (90 mm linear), voice coil remaining in homogeneous magnetic field, linear and lowest distortion

Passive | Active

Passive

Recommended amplifiers 

2 Amp. channels are required. minimum recommended amplifier voltage swing:  2 x 109 Vrms, 154 Vpk, 27,3 A; equivalent to 3000W@4Ohms per channel, total 6000W with correct RMS & Peak limiter settings (up to 450V = 20kW peak)

Recommended ASCENDO amplifiers  

DSP4-10K2  

Principle

Sealed

SPL (Peak / half space 2 pi) 

Measurement data
140 dB @32Hz and up
120 dB @20 Hz
104 dB @10 Hz

Frequency range

"Measurement Data (without ext. DSP)
28 Hz - 500 Hz /   -3 dB
20 Hz - 500 Hz / -15 dB"

 Efficiency 

90 dB  / 1W/m

Power handling 

2 x 2500 W

Impedance 

Dual voice coil, 4 Ω each

Air volume displacement 

9,9 L / in comparison 18" standard cinema subwoofer 1,1 L

Directivity horizontal x vertical in Deg°

360°

Input terminal

Neutrik NL4 MP

Enclosure

Internally braced birch ply and MDF

Width 

29,53 " | 750 mm

Hight

43,31 " | 1100 mm

Hight with feet 

44,29 " | 1125 mm

Depth without grill 

19,69 " | 500 mm

Depth with plug

19,69 " | 500 mm

Weight

255,74 lbs | 116 kg

Finish 

Structural paint black

Custom colour options 

Piano lacquer, colour of choice, matt or other finishes upon request

Shape customisation 

Upon request 

Mounting 

Floor standing with feet

Technical modifications subject to change without further notice

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: 20783129701

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 19 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
M
Verified Purchase
Minh Ngo
Omaha, US
★★★★★ 5
My favorite body wash
Scent: Bergamot, Size: 16 Fl Oz (Pack of 1), Scent: Bergamot, Size: 16 Fl Oz (Pack of 1)
My go to body wash, you just get so much for the price and it lasts forever! The smell itself is also very relaxing after a long day. It also lathers quite nicely and does it's job well, would definitely recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
J
Verified Purchase
JP De Oliveira Estêvão
Lake Worth, US
★★★★★ 5
Smells Like You Have Your Life Together
Scent: Bergamot, Size: 16 Fl Oz (Pack of 1)
Cremo Body Wash with Italian Bergamot, Neroli Blossom, and Fresh Vetiver smells far more expensive than it has any right to. The scent hits that sweet spot between fresh and refined. The bergamot gives it a clean citrus lift, the neroli adds a smooth floral edge, and the vetiver grounds it with a subtle, masculine depth that does not scream but absolutely speaks. The lather is rich and concentrated, so you only need a small amount. It feels more like something you would find in a boutique hotel than on a regular store shelf. The fragrance lingers just enough to be noticed without overpowering your cologne or filling the entire room. If you want to step out of the shower smelling like competence and quiet confidence, this one delivers. It is polished without trying too hard, and it makes everyday showers feel slightly upgraded.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
R
Verified Purchase
Richard Lockwood
Pawtucket, US
★★★★★ 5
If you have sensitive skin and dont want premium prices, Cremo’s body wash is an excellent option A+
Scent: Palo Santo, Size: 16 Fl Oz (Pack of 1), Scent: Palo Santo, Size: 16 Fl Oz (Pack of 1)
Cremo’s body wash for men has become a staple in our household. The product exudes a luxurious feel, from the rich lather to the clean, long-lasting scent that genuinely resembles a more expensive fragrance. This body wash possesses a pleasant aroma of cardamom, papyrus, and most notably, palo santo. It features a warm, woody, and spicy scent, which is one of my preferred fragrance notes. Notably, the scent is strong without being overpowering. Additionally, I appreciate the aesthetic appeal of the bottle. The exquisite and vintage-inspired packaging complements the fragrance effectively. What truly sets Cremo’s body wash apart is its gentle nature. I have sensitive skin and this body wash does not cause dryness or irritation. In fact, it leaves my skin feeling soft and smooth, which is not always the case with other brands I have tried. The affordability of Cremo’s body wash is a significant advantage. It offers a high-end feel and fragrance without incurring excessive costs, making it an easy choice for repeat purchases. If you or your family have sensitive skin or simply desire a pleasant scent without paying premium prices, Cremo’s body wash is an excellent option. Highly Recommended. 5/5 Stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2025
J
Verified Purchase
Jorge Selman
Fort Morgan, US
★★★★★ 5
If you want a great soap in a budget, buy Cremo body wash.
Scent: Cypress Santal, Size: 16 Fl Oz (Pack of 1)
Really good soap!! Leaves your skin soft and smells great. Light fragance and provides a good lather.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
D
Verified Purchase
David Percival Flores
Alexandria, US
★★★★★ 5
Beat the Humidity with This Citrus Powerhouse
Scent: Bergamot, Size: 16 Fl Oz (Pack of 1)
​In the middle of a brutal, humid Philippine summer, finding a body wash that actually boosts your confidence is a game-changer. Cremo’s Italian Bergamot isn’t just a soap; it’s a full olfactory experience. It opens with a vibrant, tart Italian bergamot that immediately cuts through the heat, followed by the freshness of vetiver, and the neroli blossom adds a sophisticated floral touch. ​True to Cremo’s Reserve collection, the scent is beautifully layered. It builds in intensity as you lather, allowing the earthy, fresh vetiver to anchor the citrus. Unlike many drugstore options, this lingers—stepping out of the shower, you can still catch the crisp citrus and the clean, woody dry-down on your skin. It’s the ultimate reset for a hot day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026

recommand products