SKU: 7201556201

Ascendo 18" PRO Passive Sealed Shallow Subwoofer - Black

Sale price$4612.50 Regular price$5125.00
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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24

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Description

Ascendo 18" PRO Passive Sealed Shallow Subwoofer - BlackThe18 SUB PRO PASSIVE SEALED SH subwoofer is so far above and beyond the competition in every aspect; refined musicality, tightness, and output levels suitable for a 18" driver. Combine this exceptional performance with an enclosure only 10,43 deep to accommodate a wider range of applications where larger enclosures just cant fit, and this model could possibly take the home theater market by storm. The 18 driver is an advanced carbon rohacell

The18 SUB PRO PASSIVE SEALED SH subwoofer is so far above and beyond the competition in every aspect; refined musicality, tightness, and output levels suitable for a 18" driver. Combine this exceptional performance with an enclosure only 10,43” deep to accommodate a wider range of applications where larger enclosures just can’t fit, and this model could possibly take the home theater market by storm.

The 18” driver is an advanced carbon rohacell composite sandwich cone. It is coupled with a neodymium motor with 4” Ultra-high-temperature voice coil. With a max SPL of 137dB @100Hz an , the dynamic expression and percussive impact that this sub can deliver puts it in a class by itself, let alone in such a shallow footprint as to almost disappear in home theaters or media rooms when compared to more traditional cube subwoofer designs.

In larger rooms where more output is needed (or just desired), ASCENDO also offers a Dual-18” version of this same enclosure design, with the two woofers stacked - The18-2 SUB PRO PASSIVE SEALED SH. The 143dB SPL @100Hz capability of this 48” high, 24” wide and only 11” deep defies belief until experienced.

Both models are engineered to operate perfectly in sync (in phase) with our Infrasonic subwoofers; The24, The32, The50 and The80 when there is a desire to reproduce movie content below 20Hz with the same authority, precision, and musicality. The combined results sound (and feel) like seamless and natural extensions of their individual efforts, adding to the overall addictive, immersive quality of a complete ASCENDO system.

Specifications

Speaker type

18" forward-firing, advanced carbon rohacell composite sandwich cones, neodymium motor with 4” ultra-high-temperature Voice-coil

Xmax

23mm excursion each direction (46 mm linear), voice coil remaining in homogeneous magnetic field, linear and lowest distortion

Passive | Active

Passive

Recommended amplifiers 

1Ch DSP + Amplifier are required. Min. recommended amplifier:  89 Vrms, 126 Vpk, 22,5 A; equivalent to 2000W@4?, with correct RMS & Peak limiting & compression settings

Recommended ASCENDO amplifiers  

(With additional external 1CH DSP: AIA2-6004), DSP4-6K2, DSP4-10K2  

Principle

Sealed

SPL

Calculated data
133 dB @ 63 Hz peak

Frequency range

Calculated data
33 Hz - 400 Hz /   -3 dB
22 Hz - 400 Hz / -15 dB

 Efficiency 

88 dB  / 1W/m

Power handling 

2500 W

Impedance 

4 Ω  

Air volume displacement 

2,66 L / in comparison 18" standard cinema subwoofer 1,1 L

Directivity horizontal x vertical in Deg°

360°

Input terminal

One 4-conductor Phoenix 12 AWG (3,3 mm²) push on binding post

Enclosure

Internally braced birch ply

Finish 

Matte 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


 

Dimensions

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: 7201556201

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Marci
Boise, US
★★★★★ 4
Works as it should
Scent: For Oily Skin, Size: 2 Fl Oz (Pack of 1)
Works as it should. Feels nice.
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Reviewed in the United States on June 19, 2025
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rebecca marshall
Dallas, US
★★★★★ 5
Smoothes and decreases irritation , not a bump in sight!!
Scent: For Sensitive Skin, Size: 2 Fl Oz (Pack of 1)
I wish that I had found this product sooner-it’s amazing! I would always get bumps and irritation after dermaplaning-this is a complete game changer. You will not be disappointed-just make sure that if you have sensitive skin to get the right one, as there are different options.
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Reviewed in the United States on April 16, 2026
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Sassy Souders
Phoenix, US
★★★★★ 3
Smells weird
Scent: For Oily Skin, Size: 2 Fl Oz (Pack of 1)
This works fine for what it does, but it definitely has a strong odor that I find very unpleasant.
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Reviewed in the United States on September 24, 2024
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patty
Lake Worth, US
★★★★★ 5
This is for people who have dryer skin
Scent: Dermaplane Kit, Size: 2 Fl Oz (Pack of 1)
I did not realize that they made oil for dermaplaning. I've tried dermoplaning myself and on my dry skin it was very sensitive and it hurt. But this oil is amazing it's not too oily it soaks into your skin very well sometimes I put it on and don't even dermaplane. But to use it for the dermaplaning is wonderful. My skin turns out very nice and a soft and not sore and cut.
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Reviewed in the United States on March 27, 2026
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Kiara
Chelsea, US
★★★★★ 5
Great!
Scent: For Sensitive Skin, Size: 2 Fl Oz (Pack of 1)
I love it! Great for my sensitive skin. Shaving, is not painful because the blade glides smoothly now.
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Reviewed in the United States on January 18, 2026

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