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PLEASE CHECK AVAILABILITY BEFORE CONFIRMING YOUR PURCHASE! Our stock can change any minute – we sell through various sales channels.Brand New! – Closed BoxWe are authorised dealers of the finest audio gear and musical instruments.Note 1: Free shipping within EU. Shipping price to any other country is an estimate. Please message us for specific shipping price to your particular location.Note 2: This product is custom ordered, please check availability and/or eventual shipping delay.Note 3: This product is factory set for 240V. If you need a different voltage, please message us.Note 4: We sell without taxes anywhere outside Europe and to valid VAT ID companies inside Europe. Please ask us your price without Tax in those cases. Note 5: We can quote any kind of bundle with our products at the most convenient prices. Just visit our store and ask for it.Note 6: International buyers are responsible for destination country taxes, duties and custom fees.REL T/9x SE - ACTIVE SUBWOOFEREmbracing the vibrant allure of French Racing Blue, Green With Envy™, Italian Racing Red, Tangerine Dream, and Le Mon™ Yellow, the T/9x SE subwoofers stand out not merely as audio equipment but as a testament to the fusion of aesthetic elegance and acoustic mastery. As part of REL's illustrious lineage, these models represent a distinctive blend of sound engineering and design flair. Every detail, from meticulous craftsmanship to advanced performance features, resonates with luxury and sophistication. Whether you're an audiophile, a design aficionado, or someone who appreciates the sublime, the T/9x SE subwoofers deliver an auditory experience as profound and captivating as their visual appeal. Secure your T/9x Special Edition subwoofers today and immerse yourself in a sonic masterpiece.Masterfully Crafted to MesmerizeEvery T/x model boasts sleek, radiused designs and impeccable craftsmanship. But with the T/9x Special Edition, we’ve taken it a step further. It's the subtle details that elevates these models—the badge atop takes three days to perfect, and each solid billet aluminium foot undergoes a three-day chroming process. We meticulously layer copper, nickel, and chrome, allowing each coat a day to set before adding the next. This is the kind of attention to detail that makes REL stand out.What's in the boxSerie T/9x SE SubwooferGrille6' AC Power Cord32' Neutrik Speakon cableUser Manual & Warranty InformationSpecificationsTypeFront-firing active driver, down-firing passive radiatorActive Driver Size & Material10 in. (250mm) long-throw, FibreCarbon™ cone, inverted Carbon Fibre centre cap, steel chassisPassive Radiator Size & Material10 in. (250mm) long-throw, FibreAlloy™ cone, inverted alloy centre cap, steel chassisLow Frequency Extension-6 dB at 27Hz Low FrequencyInput ConnectorsHigh Level Neutrik Speakon, (1) Low Level RCA,(1) LFE RCAOutput ConnectorsN/APower Output300 watts (RMS)Amplifier TypeClass A/BWireless CapabilityREL Arrow system [required]. Sold separatelyDual Parametric FilterNoFinishItalian Racing Red Lacquer, 7 coatsProtection System Fully Electronic Set SafeYesD.C. FaultYesOutput ShortYesMains Input Voltage220-240 volts, 110-120 volts for certain marketsFuses3.15 Amp semi delay 220 volts operation. 7 Amp semi delay 120 volts operationSupplied Accessories Mains LeadYesNeutrik Speakon10 Meters (33’6”) NominalInterconnect-User ManualYes
The unknown condition on this used REL T/9x listing casts immediate doubt, likely inflating the USD2,357 asking price to cover potential risks—it's steeply ambitious against our recent comps, where the median sits at USD1,303 with a tight range from USD1,285 (25th percentile) to USD1,400 (75th). Even pristine examples rarely push past that ceiling in the current used market.
Before biting, verify the driver integrity—REL subs like the T/9x can suffer cone tears or voice coil rub from overdriving—and confirm all original accessories (power cord, cables, feet) are included, as omissions slash resale value. Probe the age too; anything pre-2020 might need recap sooner than later.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
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.
