SKU: 43892294209

Ascendo 18SPV 18" Passive Vented Subwoofer

$1709.55 $1899.50
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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

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4.4 ★★★★★
Based on 23 reviews
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V
Verified Purchase
V88
Grantham, US
★★★★★ 5
Top banana
Size: 5 Pairs / 10 pcs
Theses banana plugs are hight quality non magnetic. Banana plugs easy to usexand very high quality sound different because of the better connection and quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
G
Verified Purchase
Gummy Roach
Massapequa, US
★★★★★ 5
Very easy to use
Size: 12 Pairs / 24 pcs
I have an Onkyo audio/video receiver along with an Emotiva amplifier. Both have speaker "post" terminals which will accept banana plugs, OR I can connect the speaker wires by unscrewing the posts, poke the speaker wires into the terminals and then tighten the posts. The problem with poking the wires into the terminals and tightening the posts vs using banana plugs is that there is a risk of the wires touching the metal on the back of the chassis or touching other speaker wires, causing a short if one is not careful. With banana plugs, they simply plug into the back/top of the posts, eliminating the rsick of a short circuit. They can also be unplugged very easily if needed. Banana plugs are DEFINITELY the preferred way to connect speakers to an receiver or amplifier if they have post-style terminals. These particular banana plugs came in a package of 12 I believe. They were very reasonably priced, and simple to connect to the end of the speaker wires. Simply unscrew the banana plugs, use a small, standard jewelry screwdriver and loosen both of the set screws, insert the speaker wire, then tighten the set screws, and then screw the banana plug back together. The plugs have either a red band which would typically be used for your "Right" speakers, or a black band which would typically be used for the "left" speakers. The banana plugs insert into the top or front of the speaker terminal posts on the amp and receiver. They fit VERY snug, and so I did have to apply just a little bit of pressure in order to insert them into the posts, but once plugged in, rest assured they're not going anywhere. They are snug. I highly recommend these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2025
F
Verified Purchase
FredrickVegas
Los Angeles, US
★★★★★ 5
Great wire, great price
Size: 100-Foot, Style: 14-Gauge
There is something about this wire that makes me buy it again and again, and makes me feel like it’s a great value! it’s pure copper strands and it feels, looks solid and as good as anything I ever bought for the sound transmission The cover is thick, but the wire is still flexible. Looks professional and the white looks better than the old school copper look. Getting the protective sleeve off is a bit of challenge but for me it’s worth it. Have a utility knife, wire strippers and if you have weaker hands, a pair of pliers or something to grip it with to remove from covering wires. It’s worth the effort to me as the results feel solid I use this with my higher end vintage M&K, Sansui, Pioneer, Timeframe, and other amps, speakers and to my ears, it delivers simple, clean sound at a great price. Don’t buy the hype, buy good wire and call it a day. This 14 gauge even works well with clip posts like on my Sansui 9090DB. 👌 Only thing I would do different, buy the 200ft if you are hooking up Atmos or have multiple equipment. This is my third 100ft in as many months, Lol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2023
A
Verified Purchase
A c
Port Orchard, US
★★★★★ 5
Perfect and easy to splice buy durable.
Size: 100-Foot, Style: 14-Gauge
Used for home audio setup. Klipsch speakers to Denon receiver. Could've wired directly but chose to add the plug ins for connecting. Sound quality is amazing. Perfect gauge and high quality strands. Easy to work with amd splice when needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
J
Verified Purchase
Joshua
Dallas, US
★★★★★ 5
Excellent Quality Speaker Wire for A Great Price!
Size: 100-Foot, Style: 14-Gauge
I recently purchased the Amazon Basics 14-Gauge Audio Speaker Wire Cable in the 100-foot length. Let me share my thoughts on this product: Quality: The cable is made of 99.9% oxygen-free copper, which ensures high-quality, undistorted signals. I noticed a significant improvement in sound clarity compared to my previous wire. Durability: The insulated exterior jacket is both strong and flexible, making it easy to route the wire around corners or through tight spaces. It feels robust and well-constructed. Color Coding: The red and black color coding simplifies polarity identification during installation. No more guessing which wire goes where! Convenience: With 100 feet of cable, I had plenty of length to connect my speakers to the A/V receiver without any issues. It’s convenient for larger rooms or setups. Price: At $35.90 (only $0.36 per foot), this speaker wire offers excellent value for its quality. Plus, it’s eligible for free returns within 30 days. In summary, the Amazon Basics 14-Gauge Audio Speaker Wire Cable is a reliable choice for anyone setting up a home theater system or connecting speakers. Whether you’re an audio enthusiast or just want clear sound, this cable won’t disappoint. Highly recommended! Comparison with Similar Items: If you’re looking for an alternative, consider the Monoprice Access Series 14 Gauge AWG CL2 Rated 4 Conductor Speaker Wire/Cable. It’s fire safety rated for in-wall use and comes in a 250-foot length. Remember, good speaker wire can make a noticeable difference in your audio setup!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2024

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