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
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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]
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SKU: 66700217355

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Paul Schneeman
Lake Worth, US
★★★★★ 5
Functioned as advertized.
Installed these in my Whalers 96 200 Offshore. No issues, used permatex gasket compound on aluminum engine parts after cleaning with fine brass wire wheel.
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Reviewed in the United States on November 20, 2024
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george mitchell
New York, US
★★★★★ 5
Fits 1988 Sea Ray V-135 2 stroke (Mercury)
For those of you with the 135 hp mercury that was branded as the "Sea Ray 135" and paint matched to the boat (i.e. Seville's and some others) this is the 147 degree thermostat for that motor. My Seville is an '88 and It's difficult to cross reference the serial numbers on those motors when searching for parts. Only buy Quicksilver parts for these motors. Happy to find them on Amazon because Boats.net as an example, is not clear on what you're getting.
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Reviewed in the United States on August 3, 2024
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Carlton Earley
New York, US
★★★★★ 5
fixed issue
stopped the overheat issue on my outboard!!!
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Reviewed in the United States on August 6, 2025
R
Verified Purchase
Robert Salido
Los Angeles, US
★★★★★ 5
Not all great stereo systems meet all the requirements for connectivity.
I want to go on record, the Onkyo TX-Nr7100 is an awesome choice for a stereo avr. Great connectivity, a warm sound quality, and many options for your audio sound choices. But, because it's base connectivity, as it applies to Bluetooth, I do not recommend to connecting a PC to it. Due to audio and video, data separation. The Onkyo, though an excellent stereo choice, has problems playing Youtube and other types of media, with built in audio and video playback. It defaults to the miniplayer, built into the system and is impossible to get rid of in these situations. I give this product 5 stars on quality and performance, but it was not made to connect to a computer. Stll, I recommend this AVR Stereo Receiver on its aesthetic look, sound, audio and connections and quality. Very important to keep this in mind for Computer and gaming console connection to this system.
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Reviewed in the United States on April 15, 2026
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Verified Purchase
Samir Jose
Massapequa, US
★★★★★ 5
Exceptional Home Theater Receiver with HDMI 2.1, Dirac Live & THX – Incredible Value
After researching extensively and using the TX‑NR7100 firsthand with a 5.1.4 Dolby Atmos setup, I’m thoroughly impressed by its blend of features, performance, and value. Setup & Interface The guided setup process is smooth and intuitive—Wi‑Fi setup, firmware updates, speaker configuration and HDMI mapping all work seamlessly. The on-screen menus are clean and accessible, though some deeper options may require a bit of navigation With six HDMI 2.1 inputs and two HDMI 2.1 outputs, this receiver supports 8K/60Hz and 4K/120Hz video formats, along with VRR, eARC, and ALLM. This makes it ideal for gaming consoles like PS5 and Xbox Series X—performance is solid with no reported signal dropouts on the primary HDMI ports. Audio & Sound Quality Every channel delivers up to ~100 W into 8 Ω, powering immersive content such as Dolby Atmos and DTS:X with clarity and presence. THX post-processing adds dimension and scale, especially with cinematic soundtracks. Dirac Live room correction provides musical staging, precise imaging, cleaner dialog, and deeper bass—transformative for untreated or irregular rooms. Streaming & Multi-Room Equipped with AirPlay 2, Chromecast, Bluetooth (including aptX), and Sonos/DTS Play-Fi integration, streaming is flexible and robust. Spotify, Tidal, Pandora, TuneIn, and more are all supported. It even functions as a Roon endpoint with no signal issues when streaming high-res audio over Ethernet. Build & Design The front panel features a large green display, a straightforward volume dial, and basic controls. While the remote is functional, it isn’t backlit. The control app is usable but somewhat basic, making desktop Dirac calibration a better option for fine-tuning. Pros: Cutting-edge HDMI 2.1 support for 8K/60Hz, 4K/120Hz, VRR & eARC THX Certified with immersive Atmos/DTS:X and IMAX Enhanced support Powerful and convincing Dirac Live room correction Versatile streaming ecosystem and smart assistant compatibility Excellent price-to-performance ratio compared to peers Cons: HDMI glitches possible; best addressed via firmware updates and proper setup Remote is not backlit; app UI is basic Not truly expandable to 11-channel systems; no independent sub outs or extra preamp channels Verdict: The Onkyo TX‑NR7100 strikes a remarkable balance between modern video support, superior immersive audio, and intuitive usability—all at a price point that undercuts many similarly spec’d competitors. If you want future‑proof HDMI features, strong gaming performance, Dirac‑based room tuning, and multi‑room streaming options, this AVR delivers beyond expectation. Highly recommended.
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Reviewed in the United States on July 30, 2025

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