REL Acoustics
REL Acoustics T/9x Powered Subwoofer
Best high-performance subwoofer for audiophiles seeking seamless, fast, and musical bass.
The REL Acoustics T/9x Special Edition Subwoofer is the flagship of REL's Serie T, designed to deliver exceptional performance at a competitive price point. It offers faster, more transparent sound with greater impact, bringing truly full-range sound to a wider audience. This subwoofer excels in both music and home theater applications, providing deep, fast, and textured bass that seamlessly integrates with your main speakers. Its design prioritizes speed and articulation, ensuring realistic bass extension and a tremendous sense of the recording space. The T/9x features a long-throw 10” active driver and a 10" passive driver, powered by a 300W Class A/B amplifier. The REL Serie T9x Subwoofer is the flagship of the T/x series, designed to deliver exceptional output and dynamics for both music and home theater. It offers a superior level of intimacy, clarity, and speed, eliminating trade-offs between smaller models and larger ones. The redesigned cabinet increases volume for improved fluidity and power, while its gently rounded corners offer a modern aesthetic. Featuring a 10-inch FibreAlloy™ cone active driver and a down-firing passive radiator, it achieves low-frequency extension down to 27 Hz. The T9x utilizes a reliable 300-watt Class A/B amplifier and offers REL's signature High Level Input connection for seamless integration. Experience bass with stunning clarity and speed with the British-built REL T/9x Subwoofer. As the flagship of the Serie T/x, it delivers transformative, immersive listening with deep soundstages and realistic sonic textures. This 45-pound subwoofer offers a level of intimacy, clarity, and speed previously unattainable, blending power with pinpoint precision. Its 300-watt amplifier and advanced suspension components ensure superior attack, dynamics, and transparency for an exceptional audio experience in both listening rooms and home theaters. The REL T/9x powered subwoofer is designed to deliver exceptional output and dynamics, enhancing both music and home theater experiences. It offers impressive intimacy, clarity, and speed without compromising sonic balance. This subwoofer is ideal for adding full-range sound to high-performance speakers. Its installation flexibility allows for various wired connections or optional zero-compression wireless setup with the REL Arrow system. The T/9x features a new composite alloy/fiber engine for superior performance and a 300-watt Class A/B amplifier for powerful, concussive, yet delicate sound reproduction.
$1699.00
More Serie T/x Options
Owner Satisfaction
4.7
/ 5
Category Rank
578
/ 8447
#578 in Speakers
Price vs Category Average
+16%
Above average
Type
Front-firing active driver, down-firing passive
/ Front-firing active driver, down-firing passive
Who it's for
- Audiophiles seeking a seamless, natural low-end foundation
- Listeners who prioritize bass texture and musical detail
- System builders wanting perfect timing and sonic cohesion
Who should skip it
- Budget-conscious buyers seeking maximum output per dollar
- Home theater fans craving explosive, room-shaking cinematic impact
- Casual users wanting a simple plug-and-play setup experience
Performance breakdown
Transient Response
FibreAlloy drivers deliver lightning-fast attack and precise, articulate bass transients.
System Integration
Signature High-Level input ensures seamless sonic blending with your main speakers.
Low-Frequency Extension
Reaches down to 27 Hz for deep, authoritative cinematic and musical impact.
Build Quality
Robust cabinet design and premium components offer exceptional long-term reliability.
Dynamic Range
The 300-watt amplifier provides ample headroom for explosive, room-filling dynamics.
Installation Flexibility
Versatile wired inputs and optional wireless support simplify complex room setups.
Key Specs
Type
Front-firing active driver, down-firing passive
Active driver
10" FibreCarbon™ long-throw, inverted carbon fiber center cap, steel chassis
Passive driver
10" long-throw, inverted alloy center cap
Low-frequency extension (-6 dB)
27 Hz
Inputs
High-level Neutrik Speakon, Low-level single RCA, LFE RCA
Power output
300 W RMS
Dimensions (WHD)
14.5" x 13.4" x 15.5"
Weight
45.5 lb
Features
- Designed for speed and articulation to keep up with modern loudspeakers.
- Offers faster, more transparent sound with even greater impact.
- Features a carbon-fiber active driver for reduced moving weight and enhanced speed.
- Delivers deep, fast, and textured bass with realistic extension.
- Utilizes a high-level input for seamless integration with your amplifier and loudspeakers.
- Scalable design with separate inputs for LFE/.1, allowing for music and cinema system sharing.
- Improves soundstaging and adds weight to all frequencies for a more immersive experience.
- Delivers increased output and dynamics for music and theater.
- Achieves a balance of intimacy, clarity, and speed without compromise.
- Redesigned cabinet with increased volume for enhanced fluidity and power.
- Modern design with gently rounded corner radii for a less visually massive appearance.
- Features a 10-inch FibreAlloy™ cone active driver for superior attack and dynamics.
- Utilizes a reliable 300-watt Class A/B amplifier with massive power supplies.
- Offers REL's legendary High Level Input connection for natural sound character.
- Optional Arrow™ wireless system available for uncompressed, fast wireless audio.
- Delivers powerful, agile bass with expressive dynamics for music and theater.
- Features a 300-watt Class A/B amplifier for rich, dynamic sound.
- Equipped with a 10-inch FibreAlloy driver for fast, accurate bass response.
- Includes a 10-inch down-firing passive radiator for extended depth and scale.
- Offers seamless integration with high-performance audio systems.
- Designed for both musicality and home theater applications.
- Delivers deep soundstages with realistic sonic textures and details.
- Offers a level of intimacy, clarity, and speed for a transformative listening experience.
- Updated driver combination produces considerably better attack and dynamics with greater transparency.
What customers say
Customers consistently praise the REL Acoustics T/9x Powered Subwoofer for its exceptional sound quality and seamless integration into existing audio systems. Reviewers frequently highlight its ability to produce deep, articulate, and musical bass that enhances the overall listening experience without drawing undue attention. The refined design also receives appreciation for its ability to blend elegantly into various home environments. This subwoofer is celebrated for elevating sonic performance, making it a highly regarded component for discerning audio enthusiasts.
Know before you buy
The High-Level Input connects directly to your amplifier's speaker terminals, allowing the subwoofer to receive the exact same signal as your main speakers. This ensures the bass character perfectly matches your speakers' sonic signature, resulting in a more seamless and natural integration.
Yes. The T/9x features separate inputs for High-Level and LFE/.1 signals, which can be connected at the same time. This allows you to dial in specific settings for music and cinema without needing to swap cables.
The 10-inch active driver provides the speed and punch, while the 10-inch down-firing passive radiator extends the low-frequency reach. This combination allows the subwoofer to hit deep notes down to 27 Hz while maintaining the agility needed for fast-paced music.
Yes, the T/9x is compatible with the optional REL Arrow wireless system. This system provides a zero-compression, high-speed wireless connection that maintains the performance quality of a wired setup without the need for cables across your room.
The 300-watt Class A/B amplifier is chosen for its focus on musicality and natural sound reproduction. While digital amplifiers are often more efficient, this Class A/B design prioritizes the speed, transparency, and delicate texture required for high-fidelity audio.
At roughly 14.5 by 15.5 inches, the T/9x has a relatively compact footprint for a flagship model. The cabinet features rounded corners to reduce its visual mass, making it easier to integrate into most living spaces without overwhelming the room.
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