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

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

REL Acoustics

Country of origin: United Kingdom

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

SKU: REL-T5X-BL
Sale price$1,599.00

Includes GST. 🚚 Free shipping on orders over $100 Australia wide at checkout.

Compact sealed subwoofer delivers tight, controlled bass with a down-firing 8" driver and 125W amp for fast, articulate lows. The closed-box design avoids port noise, ensuring clean integration for music and film. Finished in black ash for a subtle, room-friendly look.

In stock
Colour:Black
Quantity:

Every order ships free to any address in Australia via fully tracked, insured delivery. You’ll receive a tracking link once your order is dispatched so you can follow it the whole way. Estimated delivery is 1-4 business days.

We handle your warranty so you don’t have to. If something isn’t right, simply get in touch and we will coordinate directly with the Australian importer on your behalf. Find out more. click here to lodge a warranty claim.

Whether you’re browsing or already unboxing, Geoff is your friendly hi-fi guide available 7 days a week. From choosing the right system to setting up your new purchase, expert advice is always within reach. Contact Geoff today.

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Description

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
Tech Specs

Type

Closed Box, down-firing driver

Active Driver Size & Material

8 in. FibreAlloy™, 200mm long-throw, inverted alloy dust cap, steel chassis

Passive Radiator Size & Material

N/A

Low Frequency Extention

-6dB at 32 Hz

Input Connectors

High Level Neutrik Speakon, Low Level single RCA, LFE RCA

Output Connectors

N/A

Power Output

125 watts (RMS)

Amplifier Type

Class A/B

Wireless Capability

Arrow (Optional), Zero Compression, Single Large Scale Integrated Chip

Protection System

Fully Electronic Set Safe

Yes

D.C. Fault

Yes

Output Short

Yes

Mains Input Voltage

220-240 volts, 110-120 volts for certain markets

Fuses

1.6 Amp semi delay 230 volts operation, 3.15 Amp semi delay 115 volts operation

Dimensions

W x H x D

11.8 x 12 x 12.3 in., (300 x 307 x 313 mm)

Net Weight

31.5 lbs. (14.3 kg)

Finish

High Gloss Black, High Gloss White, 5 coats

Supplied Accessories

Mains Lead

Yes

Neutrik Speakon

Yes (10 Meters Nominal)

Interconnect

Users Manual

Yes

In the interest of product development, REL Acoustics Limited reserve the right to vary these specifications without notice.

Customer Reviews

User Reviews

Warranty Information
warranty shield 3 Years Warranty

We care about your experience with HeyNow Hi-Fi, and we’re here to make the warranty process as smooth as possible.

Your warranty is handled directly by the Australian importer. By submitting this form, we’ll coordinate the process for you and keep you updated every step of the way. Important: Shipping fees are not included as part of your warranty coverage.

If your HeyNow Hi-Fi purchase isn’t working as it should, click here to lodge a warranty claim.

Should you have any questions, feel free to contact us https://www.heynowhifi.com.au//pages/contact

Why Choose REL Acoustics

REL’s T and S Series subwoofers are built on a principle that experienced listeners recognise immediately—bass should complete the system, not call attention to itself. It’s an approach that has earned REL a strong following in carefully assembled hi-fi systems across Australia, where integration and musical balance are prioritised over sheer output.

Signature Design and Sound

With the S Series, stackability allows multiple subwoofers to work together, improving room interaction, increasing headroom, and delivering a more relaxed, immersive sound—particularly in larger or more complex spaces.

Set up thoughtfully, a REL subwoofer doesn’t simply add bass—it reveals depth, texture, and realism already present in the recording.

REL Acoustics Product Range

The T Series introduces this philosophy with speed, agility, and an ease of placement that suits a wide range of systems. The S Series builds on this with greater scale, control, and authority, offering a more expansive and effortless presentation. Central to both ranges is REL’s high level input, allowing the subwoofer to take its signal directly from your amplifier. This preserves the tonal character and timing of your system, resulting in bass that feels cohesive and naturally connected.

Explore the REL Acoustics range:

Subwoofers

Speaker Cables

Subwoofer Cables

AV Receivers/Processors

Centre Speakers

Explore REL Acoustics

WHY CHOOSE HEYNOW HI-FI?

At HeyNow Hi-Fi, it's not just about the gear - it's about how it all comes together. With over 30 years of experience, Geoff provides personalised, expert advice to help you build a system that suits your music, your space, and listening style.

Whether you're starting from scratch, refining your set up, or upgrading your gear, Geoff is always happy to have a chat. Call or book a private consultation directly with Geoff today.

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