Ascendo 18SPV 18" Passive Vented Subwoofer
SKU: 43892294209

Ascendo 18SPV 18" Passive Vented Subwoofer

Sale price$1709.55 Regular price$1899.50
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Ascendo 18SPV 18" Passive Vented SubwooferASCENDO THE18 SUB Passive Vented High Performance 18 Bass Powerhouse The Ascendo THE18 SUB Passive Vented Subwoofer is designed to deliver deep, high impact bass with precision and power. Engineered for home theatre enthusiasts and professional audio setups, this 18 inch forward firing subwoofer is built to enhance your audio experience with unmatched low frequency performance. To top it off it's only 300mm deep, making it perfect to be positioned

ASCENDO THE18 SUB Passive Vented – High-Performance 18” Bass Powerhouse

The Ascendo THE18 SUB Passive Vented Subwoofer is designed to deliver deep, high-impact bass with precision and power. Engineered for home theatre enthusiasts and professional audio setups, this 18-inch forward-firing subwoofer is built to enhance your audio experience with unmatched low-frequency performance. To top it off it's only 300mm deep, making it perfect to be positioned behind acoustically transparent screen walls.

Unrivalled Low-End Performance

Featuring an 18-inch driver with a 4-inch voice coil, this subwoofer ensures tight, distortion-free bass even at high volumes. With a frequency response extending down to 22Hz, it captures the full depth of cinematic soundtracks and live music performances.

Precision-Engineered for Optimal Sound Reproduction

Built with an internally braced MDF enclosure, the THE18 SUB minimises vibrations and resonance, maintaining sonic clarity and tight bass response. Its vented design enhances airflow, delivering powerful yet controlled low frequencies.

High Power Handling for Demanding Setups

With an impressive 1500W power handling and 4-ohm impedance, this subwoofer is engineered to work seamlessly with high-performance amplifiers. When paired with ASCENDO recommended amplifiers, it achieves a peak SPL of 122dB at 28Hz, ensuring thunderous bass with remarkable accuracy and impact.

Optimised for Professional Home Cinema Use

  • Wide Frequency Response: 22Hz – 500Hz (-12dB) for rich, dynamic bass.
  • Precision-Tuned Efficiency: 89 dB / 1W/m (4π) and 95 dB / 1W/m (2π) for high-output performance.
  • High-Excursion Driver: 8mm excursion (each direction, 16mm total) for controlled, distortion-free bass reproduction.
  • Premium Connectivity: 4-conductor Phoenix 12 AWG terminals for secure and efficient signal transfer.

Sleek & Sturdy Construction

Designed with a professional-grade black structural paint finish, the THE18 SUB blends seamlessly into any home theatre or studio setup. Measuring 700mm (W) x 1012mm (H) x 300mm (D) (without grille), this floor-standing subwoofer provides powerful performance in a space-efficient design.

Experience Deep, Cinematic Bass with Ascendo THE18 SUB Passive Vented

Whether you're building a reference-level home theatre or need high-impact bass for a professional setup, the ASCENDO THE18 SUB Passive Vented Subwoofer delivers tight, powerful, and accurate low frequencies with exceptional clarity.

Specifications

Speaker Type 18" forward-firing subwoofer with 4” voice coil
Design Principle Passive, Vented
Enclosure Material Internally braced MDF
Finish Structural black paint
Mounting Floor-standing with feet
Impedance 4 Ω
Power Handling 1500W
Efficiency 89 dB / 1W/m (4π), 95 dB / 1W/m (2π)
Frequency Range 58 Hz - 400 Hz (-3 dB) / 22 Hz - 500 Hz (-12 dB)
Peak SPL 122 dB @ 28 Hz
Excursion (Xmax) 8 mm each direction (16 mm total)
Input Terminal 4-conductor Phoenix 12 AWG (3.3 mm²)
Recommended Amplifiers AIA2-1404 Bridged, AIA2-2704, AIA4-2404 Bridged, AIA4-6004, AIA8-6004 Bridged
Minimum Recommended Amplifier 63.2 Vrms, 89.4 Vpk, 15.8A (equivalent to 1000W@4Ω with correct RMS & peak limiter settings)
Directivity (Horizontal x Vertical) 360°
Dimensions (W x H x D) (without grille) 700 x 1012 x 300 mm (27 9/16" x 39 13/16" x 11 13/16")
Height Without Feet 1000 mm (39 3/8")
Packing Dimensions (W x H x D) 830 x 1150 x 430 mm (32 11/16" x 45 1/4" x 16 15/16")
Gross Weight 60.4 kg (133.16 lbs)
Net Weight 56.5 kg (124.56 lbs)
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: 43892294209

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.8 ★★★★★
Based on 756 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Shopaholic
New York, US
★★★★★ 5
Excellent Quality Wire Lugs and Adhesive Heat Shrink Set
Size: 2/0 Awg - 3/8" (M10) Ring, Number of Items: 10
I recently purchased the 10pcs 2/0 AWG-3/8" Wire Lugs Ring Terminal Connectors along with the 10pcs 3:1 Dual Wall Adhesive Heat Shrink set from Amazon and I must say, I am thoroughly impressed with the quality and performance of this product! Firstly, the wire lugs are exceptionally well-made with heavy-duty materials. The copper construction ensures excellent conductivity, making them ideal for various electrical applications. The 2/0 American Wire Gauge size with a 3/8" ring terminal is perfect for my specific needs, and they fit securely on the cables, providing a reliable and sturdy connection. The wire lugs come with the corresponding 3:1 dual wall adhesive heat shrink tubes, which are an excellent addition to the set. These heat shrink tubes offer superior insulation and protection, making sure that the connection is secure and insulated against any potential damage or short-circuiting. The adhesive lining within the heat shrink tubes ensures a tight and waterproof seal, further enhancing the reliability of the connection. I found the installation process to be straightforward and hassle-free. The wire lugs are easy to crimp onto the cables, and the heat shrink tubes shrink perfectly around the connection using a heat gun. The adhesive within the heat shrink tubes bonds effectively, leaving no room for any moisture or contaminants to compromise the connection. Overall, I highly recommend the 10pcs 2/0 AWG-3/8" Wire Lugs Ring Terminal Connectors and 10pcs 3:1 Dual Wall Adhesive Heat Shrink set. The quality and performance of this product exceeded my expectations. Whether you're working on automotive projects, marine applications, or any electrical wiring projects, this set will undoubtedly fulfill your requirements. It's a fantastic value for the price, providing reliable and secure connections. I'm extremely satisfied with my purchase, and I will definitely be purchasing more in the future for my upcoming projects. Don't hesitate – give this product a try, and you won't be disappointed! Disclosure: I received no incentive or compensation for providing this review. My review is based on my personal experience as a customer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2023
P
Verified Purchase
Poppy
Natrona Heights, US
★★★★★ 5
Two thumbs up
Size: 1/0 Awg - 3/8" (M10) Ring, Number of Items: 4, Size: 1/0 Awg - 3/8" (M10) Ring, Number of Items: 4
Very nice battery lugs. They are not thin junk & they fit. I used a hydraulic crimper which gave me an excellent crimp. Well worth the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
R
Verified Purchase
REEK
Los Angeles, US
★★★★★ 5
Works fine
Size: 6 Awg - 3/8" (M10) Ring, Number of Items: 10
Decent quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
M
Verified Purchase
Manuel
Houston, US
★★★★★ 5
Item is worth every penny
Size: 4 Awg - 3/8" (M10) Ring, Number of Items: 10
Very well packaged and very good quality shrink tube super thick 😄 item is as prescribed 💯 Thank You
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
T
Verified Purchase
The Diabolical F
Natrona Heights, US
★★★★★ 4
Good Terminals
Size: 8 Awg - 1/4" (M6) Ring, Number of Items: 10
Used to make radial wire sets for amateur radio. Good connectors with thick metal. Heat shrink is glue lined. Would purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026

recommand products