BETA
RADAR is in beta — expect errors. Accuracy and coverage improvements are shipping daily.
LIVE
Waiting for new listings…
0 other audiophiles online

Seller's Description

De rel t5i is een compacte subwoofer uit de t/i series van rel. Dit compacte sub-bas systeem is uitgevoerd met een 8″ langeslag woofer en een 125 watt klasse a/b versterker. Dit model is specifiek ont

Our Thoughts RADAR AI

The timing is fine here: the T/5i is an older generation now, but it still sits in REL’s small, music-first subwoofer lane, and €375 looks fair to slightly attractive versus the model’s original €599 class and the broader used market for compact REL subs. It is not a steal, but it is also not ambitious for a known-good example in decent condition.

What makes it worth a look is the way these integrate with main speakers: quick, sealed-box bass, 125 W onboard power, and a size that suits stereo systems better than home-theater bruisers. The upside is strongest if it’s clean, complete, and comes with the Speakon lead and any wireless gear; those details matter more than on some other subs. If it has been well kept, this is a sensible buy for someone wanting tidy, musical low end without chasing the latest model.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About REL Acoustics

REL Acoustics traces its origins to the inventive mind of Richard Edmund Lord, the man behind the brand's acronym, who founded the company in the United Kingdom around 1990 out of frustration with the subpar subwoofers available at the time. Dissatisfied with conventional low-frequency solutions, Lord crafted his own mammoth custom design, integrated into a bay window, which quickly earned acclaim from audiophiles as the finest they had encountered. This grassroots beginning in a tiny workshop marked the start of REL's relentless pursuit of audio perfection, evolving through innovations like the revolutionary High-Level Input that connects directly to a main amplifier's speaker outputs for seamless integration.

The brand specializes exclusively in powered subwoofers, eschewing amplifiers, speakers, turntables, DACs, headphones, or cables to focus intently on sub-bass systems. Early models like the Strata 2, Stadium, and Britannia range established REL's signature forward-firing designs and simplified crossovers, while later series such as T/x and the reimagined Serie S—launched in 2025 with models like the 212 Black Label and S/850—refine musicality, style, and power. Acquired in 2005 by John Hunter and Donald Brody, REL modernized its aesthetics and engineering without diluting its core philosophy.

REL commands a prestigious niche in the high-end hi-fi market as the preeminent authority on subwoofers, revered by discerning audiophiles for transforming even elite $15,000-to-$20,000 speaker systems into reference-caliber performers. Its boutique status stems from unwavering innovation and musical fidelity, positioning it as an essential upgrade for serious setups rather than a mass-market or mid-tier option.

See all REL Acoustics listings on RADAR.

More T/5i listings