REL T/9x – Premium Active Subwoofer for Hi-Fi & Home Cinema
The flagship of the acclaimed T/x Series. The REL T/9x has been designed for music lovers and home cinema enthusiasts who demand deep, articulate bass without compromising speed, transparency or musicality. Combining a powerful 300W Class A/B amplifier with a 10-inch long-throw active driver and a matching 10-inch passive radiator, the T/9x delivers exceptional low-frequency performance while integrating seamlessly with high-end stereo and multichannel systems.
- Flagship REL T/x Series active subwoofer
- 300W Class A/B MOSFET amplifier
- 10" FibreAlloy™ long-throw active driver
- 10" downward-firing passive radiator
- High-Level Speakon, Low-Level RCA and dedicated LFE inputs
- Compatible with optional REL AirShip II wireless system
- Available in High Gloss Black and High Gloss White
Designed for Music, Ready for Cinema
Unlike subwoofers developed exclusively for home cinema, the REL T/9x is engineered to excel in both stereo music systems and immersive surround installations. Its primary objective is not simply to reproduce bass, but to extend the natural performance of your loudspeakers while preserving timing, tonal balance and spatial realism.
Whether reproducing the subtle resonance of an acoustic bass, the impact of a kick drum or the dynamics of a Dolby Atmos soundtrack, the T/9x delivers bass that feels fast, effortless and naturally integrated into the performance.
300W Class A/B Amplifier
At the heart of the T/9x is REL's proven 300W Class A/B amplifier. Unlike many Class D designs, this high-current analogue amplifier delivers exceptional control, smooth dynamics and natural musicality while maintaining ample headroom for demanding listening sessions.
REL's analogue filter design and carefully optimised electronics ensure the subwoofer responds with remarkable precision across a wide range of musical genres and cinematic effects.
10" Active Driver & Passive Radiator
The T/9x employs a forward-firing 10-inch FibreAlloy™ long-throw driver coupled to a 10-inch downward-firing passive radiator. This combination allows the subwoofer to achieve impressive bass extension while maintaining the speed and articulation that have become REL's hallmark.
The passive radiator eliminates port turbulence while increasing efficiency and preserving excellent transient response, resulting in bass that remains tight, controlled and exceptionally natural.
High-Level Connection – The REL Difference
REL's High-Level Neutrik Speakon connection is central to the T/9x listening experience. By receiving the same signal as your main loudspeakers, the subwoofer integrates naturally with virtually any stereo amplifier, preserving tonal character, timing and coherence.
Dedicated low-level RCA and LFE inputs are also available, allowing simultaneous connection to both stereo and AV systems.
- High-Level Neutrik Speakon input
- Stereo RCA low-level input
- Dedicated .1/LFE input
- Independent gain controls for High-Level and LFE inputs
- Optional REL AirShip II wireless compatibility
Elegant Cabinet Design
The T/x Series introduced a redesigned cabinet featuring softer curves, improved proportions and increased structural rigidity. The beautifully finished High Gloss cabinet integrates discreetly into modern interiors while contributing to reduced resonance and improved acoustic performance.
Every detail, from the polished top panel to the precision-machined feet, reflects REL's attention to craftsmanship and long-term durability.
Technical Specifications
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Type: Active subwoofer with passive radiator
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Active Driver: 10" (250 mm) FibreAlloy™ long-throw front-firing driver
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Passive Radiator: 10" (250 mm) downward-firing passive radiator
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Amplifier: 300W RMS Class A/B MOSFET
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Frequency Response: 27 Hz (-6 dB)
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Inputs: High-Level Neutrik Speakon, Stereo RCA, LFE RCA
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Controls: High-Level gain, LFE gain, crossover frequency, phase
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Wireless: Compatible with optional REL AirShip II
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Dimensions (W × H × D): 330 × 387 × 407 mm
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Weight: 20.6 kg
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Finishes: High Gloss Black, High Gloss White
REL T/x Series Comparison
| Model |
Active Driver |
Amplifier |
Frequency Response |
Best For |
Recommended Room Size |
| T/5x |
8" |
125W Class A/B |
32 Hz |
Compact stereo systems |
Small rooms |
| T/7x |
8" |
200W Class A/B |
30 Hz |
Versatile hi-fi & cinema |
Small to medium rooms |
| T/9x |
10" |
300W Class A/B |
27 Hz |
Premium stereo & home cinema |
Medium to large rooms |
Ideal For
- Premium stereo hi-fi systems
- High-end integrated amplifiers from Gold Note, Sugden, Unison Research, Rega and Hegel
- Heritage loudspeakers including Klipsch Heritage, Wharfedale Super Linton and Pylon Audio Diamond Series
- High-quality home cinema systems using AV receivers from Integra, Denon, Marantz or Anthem
- Medium to large listening rooms
- Listeners seeking deep, fast and naturally integrated bass
Why We Selected This Product
At ExclusivIT, we consider the REL T/9x to be one of the finest all-round subwoofers available for customers who enjoy both music and film. Its ability to integrate seamlessly with high-quality stereo systems while delivering the scale and impact expected from a premium home cinema subwoofer makes it exceptionally versatile.
Rather than focusing solely on output, the T/9x prioritises timing, articulation and tonal coherence. The result is bass that enhances the listening experience without ever dominating it. For customers looking for a single subwoofer capable of elevating both two-channel hi-fi and immersive cinema, the T/9x remains one of our most highly recommended models.
