SKU: 66700217355

REL Acoustics T/5x Closed Box Down Firing Compact Subwoofer

Sale price$719.55 Regular price$799.50
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Description

REL Acoustics T/5x Closed Box Down Firing Compact SubwooferT 5x Serie T x No model in RELs long history has sold more units nor engendered more affection than our T 5. Here reimagined in a modern, elegant, new form factor, T 5xs mission remains the same: make remarkable bass far beyond its modest size, do so in a way that complements every interiors style, and eliminate all visual distraction. Mission Accomplished. Designed for Elegance Stunningly Simple Perfect for small and medium rooms, T 5x seats

T/5x

Serie T/x

No model in REL’s long history has sold more units nor engendered more affection than our T/5. Here reimagined in a modern, elegant, new form factor, T/5x’s mission remains the same: make remarkable bass far beyond its modest size, do so in a way that complements every interior’s style, and eliminate all visual distraction. Mission Accomplished.

Designed for Elegance

Stunningly Simple

Perfect for small and medium rooms, T/5x seats perfectly into any décor. Floor-firing is part of its secret; bass energy strikes the floor and spreads uniformly throughout the space making it perform like a larger model. For those picky about style, the hidden bonus is this design eliminates even the grill, rendering it the purest of forms.

Slightly larger in volume than its predecessor, it actually appears to be smaller due subtle design changes to minimize it’s visual presence. Finally, 5 hand polished coats of lacquer in your choice of High Gloss White or Piano Black add luster to the softly rounded cabinetry.

Designed for Elegance

A 360-degree Upgrade

Many don’t realize the intense linkage between performance and design here at REL. Performance is everything to us and so it drives physical design revisions. Our engineers, recognizing the need for greater acoustic volume to achieve the goals of greater fluidity and power, turn to the designer who works dimensions to fool the eye into seeing a smaller, more compact footprint even though cabinet volume increases. Using gently rounded corner radii that allows the eye to flow over and see less visual mass. The result is both modern and familiar with no unnecessary adornment.

Faster & Deeper

Swift

T/5x borrows a single longthrow 8” (200mm) bass engine from its elder sibling, T/7x. Developed using a composite of aluminum and light paper, this cone captures details that will amaze, while supplying sufficient energy to plumb deeper than one would expect for its size. In T/5x, its throw–the ability to play louder–has been increased. Internally, the suspension received numerous upgrades akin to transforming the handling of a car from a family sedan to a true sports car. More power, greater finesse.

Amplified Power

REL's Reliable Brains And Brawn

T/5x builds on its predecessor’s reliable, expensive 125 W Class A/B amplifiers. Internally, key items significant to upgrading transparency and speed have been upgraded at no cost to REL’s legendary reliability. Separate inputs for High Level Inputs, Low Level Input (necessary for the increasing number of powered active speakers emerging on the market) allow for a natural, perfect transition from speaker to subwoofer. And in theater a separate, dedicated .1/LFE Input for Theatre performance permits automatic transition between music in high end 2-channel applications and home theater without needing to change a single setting. Magic? No, superior engineering.

Standby Mode switch is only included on 220V units.

Zero Compression Wireless

Unlimited Possibilities

At REL, we’ve developed a sterling reputation for building the finest sounding, fastest wireless systems available in the industry. REL never rely upon digital compression as it results in thin, lifeless sound. Instead, we have perfected an (optional) Arrow™ Wireless system; so fast and dynamic we’re comfortable encouraging the use of wireless on one channel of a pair of RELs while the other channel may be connected hardwired with cable.

Reviews + Awards

"When something is good it's easy to describe in my opinion. So, I don't care what descriptor you want to use for sound quality, you can talk about integration, speed, articulation, bass note distinction, textures and so on. This thing is great, it's phenomenal. One of the best/" Read More +

Nemo Propaganda

What the new REL /x subwoofers bring to your system, in addition to more bass output, is a higher level of definition in the lower frequencies, as well as more presence in the entire frequency spectrum...The best way to really experience what any REL subwoofer can do is to shut it off. The 30 seconds you hear your system with it disabled will convince you. That’s truly all it takes. Read More +

Tone Audio
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: 66700217355

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4.4 ★★★★★
Based on 1038 reviews
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Verified Purchase
Gahvno
Fort Morgan, US
★★★★★ 5
Very good quality comparable to OEM at a much more reasonable price point.
Size: (Pack of 1)
Last December we bought our first new car in 21 years and the first thing I did is stock up on cabin and engine air filters. I've got nothing against dealership OEM parts and pieces but what I do have an issue with is the prices. Luckily, we all have a bit of control over access to OEM quality parts and pieces at significantly more reasonable prices via Amazon. This filter and it's matching cabin filter are excellent in value and take less than 5 minutes to replace. Compare that to paying the hourly rate at your dealer plus the dealership retail price and you'll do what I did and stock up on these two filters. Definitely recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 25, 2025
L
Verified Purchase
Little Oak
Natrona Heights, US
★★★★★ 4
It will fit a 2022 Subaru Outback
Size: (Pack of 1)
Higher quality than OEM item fit and arrived on time. This was for a 2023 Subaru Outback
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Reviewed in the United States on September 15, 2025
B
Verified Purchase
Bob P
Waukegan, US
★★★★★ 5
High quality
Size: (Pack of 1)
Looks a lot nicer than the one that came with my Subaru Outback (OEM). Performs the same or better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
J
Verified Purchase
Julie
Chelsea, US
★★★★★ 5
Perfect fit for my 2018 Civic—easy, affordable, and worth it
Size: 9.5" x 10.9" x 2.1"
I’ve bought this cabin air filter multiple times for my 2018 Honda Civic, and it’s consistently great quality. It fits perfectly and is super easy to install—takes just a few minutes to swap out, and I always do it myself. Way cheaper than going to a shop or dealership. The airflow is smooth, there’s no smell at all, and it keeps the inside of my car feeling clean and fresh. No weird odors, no dust blowing in—just a solid, dependable filter that does its job well. This is the only one I’ll keep buying.
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Reviewed in the United States on May 11, 2025
M
Verified Purchase
Michael Howard
Omaha, US
★★★★★ 5
Do it mayne
Size: 9.5" x 10.9" x 2.1"
Good quality and fit but find it funny that the instructions with the air flow are on the side. I assume that would be facing out and was annoyed when I tried to close and it didn’t fit. Probably should have read the directions. Still would recommend
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Reviewed in the United States on March 8, 2026

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