Serie T/x

Serie T/x is instantly seen as crisper, fresher a full upgrade. A faster, more transparent sound system performance awaits you with higher output levels and even greater impact.
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FibreAlloy™

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Class A/B

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High Level and RCA

Serie T/x

Serie T/x Powered Subwoofers

SERIE T/x T/9x T/9x
$1,699
Color: Black
Setup: Single Subwoofer
SERIE T/x T/9x SE T/9x SE
$1,799
Color: French Racing Blue
Setup: Single Subwoofer
SERIE T/x T/7x T/7x
$1,299
Color: Black
Setup: Single Subwoofer
SERIE T/x T/5x T/5x
$799
Color: White
Setup: Single Subwoofer
*Passive drivers (when applicable) use different materials for each subwoofer – see specifications for more details

Get to know
Serie T/x

Musical First, Cinematic Always

Musical First, Cinematic Always

The Serie T/x invites you deeper into every performance. Music gains weight and texture, films unfold with greater scale, and your system feels more complete—effortless, natural, and alive. This is full-range sound done the REL way: powerful yet balanced, expressive yet refined.

Filtered for purity

Filtered for purity

Every element in Serie T/x is filtered with intention, preserving the character of your system while extending its reach. The result is bass that integrates seamlessly, supports effortlessly, and enhances without ever drawing attention to itself.

Designed to Be Seen

Designed to Be Seen

T/9x SE brings REL performance into spaces that demand both musical integrity and visual confidence. Offered in a striking range of Special Edition finishes, it becomes part of the room’s design—whether you’re complementing bold architecture, modern interiors, or curated living spaces where form matters as much as function.

The Best REL for Your System

We pride ourselves on designing powered subwoofers that work with any speaker. Looking to find the best REL for your system?

Look no further than our Speaker Pairing Tool.

Everyone Streams

But It’s Not Really Home Theatre without a REL
“I’m not really into home theatre. I’m more of a 2-channel guy…” We hear this fairly often, both from customers and our more established 2-channel-centric dealers. I’ve learned to ask them, “So, when you get home at night after a long day, you do...
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HT-Air May be Your Soundbar Subwoofer Solution

Using REL Wireless to get Quality Bass
Savant  HST-STUDIO55WS-SUR-00   A couple months back, I wrote a piece on soundbars and how well they pair with quality subwoofers. I also pointed out that soundbars being sold by otherwise very good video companies (Japanese and Korean tv c...
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To HT or Not To, That is the Question

When to Reach for our Latest HT models Instead of Serie T/x
We’ve just brought out our second generation of our Serie HT and, no surprise, they’re incredible in theatre applications. Natch. But it turns out we also baked in all kinds of yummy goodness when it comes to making music. In this article, we...
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Our Way

We obsess over the details, never satisfied, never finished, constantly refining, simplifying, building iteratively upon what has come before. This is the path to perfection, a never ending pursuit for better.