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We Love to Listen
REL T9 subwoofer
REL T9 subwoofer
REL T9 subwoofer
REL T9 subwoofer


T9/i subwoofer

REL have a longstanding tradition of requiring the top model in any range to be more. More than the sum of its parts, it represents the grandest scale, the highest output and the most we can do within...

Brand: REL
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REL have a longstanding tradition of requiring the top model in any range to be more. More than the sum of its parts, it represents the grandest scale, the highest output and the most we can do within any given technology envelope. T/9i represents the most of T/i that we can deliver, and if sheer output alone is a primary requirement for your theater or music system then read no further. The combination of a lightweight, composite 10” driver coupled to a matching 10” T/i passive delivers speed, slam and attack when called upon but also is capable of tracing more delicate passages when necessary. Large in sonic scale, the T/9i is ideal for mating up with floor standing speakers and rooms that are on the medium-to-large size. Powerful, concussive, yet beautiful.

Type: Passive Radiator, front-firing passive radiator, down-firing active woofer 
Active Drive Unit: 10in., 254 mm long-throw, steel chassis Passive Radiator: 10in., 254mm 
Lower Frequency Response: 28Hz at -6bB in room 
Input Connectors: Hi Level Neutrik Speakon, Lo Level single phono, LFE phono 
Input Impedance: High Level: 150k, Low Level: 10k, .1/LFE: 10k ohms 
Gain Control Range: 80 dB 
Power Output: 300 Watts (RMS) 
Phase Switch: Yes, 0 or 180 degree 
Amplifier Type: Class AB 
Mains Input Voltage: 220-240 volts, 110-120 volts for certain markets 
Dimensions (W x H x D): 13 x 14.75 x 14.75 in., (330 x 374.6 x 374.6 mm) 
Net Weight: 39 lbs. (17.7 kg) 
Finish: Piano Gloss Black Piano Black or High-Gloss White Lacquer

Reimagined, Then Reengineered
A completely redesigned flaship
T/9i delivers more than just raw output. We started with our driver upgrades and built outward. The lovely cabinets grew by 4 lbs. (1.8 kg) over its predecessor due to thicker cabinet walls and improved bracing. Why? Because the additional speed and impact of the new drivers requires greater control or the benefits can be lost before they get to the listener.
REL’s acclaimed input filters and robust amplifiers result in some of the best sounding, most reliable designs ever produced. High current power supplies, huge toroidal transformers, and what many critics call the best filters in the world produce the famous REL Effect—wherein not simply the bass region but ALL music and movie sound is uplifted and improved.
Arrow™ Zero Compression Wireless: REL are quickly growing into an industry leader in wireless. Following on the heels of the acclaimed LongBow™ Wireless, Arrow delivers much of the promise and connectivity of hardwired RELs with the placement flexibility and pure cool factor of great wireless for all of T/i. For a reasonable sum, Arrow gives you the ability to place subs in distant corners, along glass walls, or on hardwood floors where a cable would otherwise destroy the effect.


REL Acoustics does one thing and does it incredibly well; they make high end subwoofers that will help underpin your sound system. Established in 1990 by Welshman Richard Edmund Lord, the company was born from Lord’s desire to create a subwoofer that lived up to his own standards having been dissatisfied with what was available commercially at the time. News spread among audiophiles and REL was lifted into legendary status from its early days.

To this day REL remains a popular choice thanks in part to its great reliability and of course the power and sound quality of its subwoofers. For many music lovers a REL subwoofer will be one of the most cost effective upgrade options available, they’re fast, musical and can be tuned to any system or room. This means they’re a great match for real world environments where listening rooms aren’t perfectly laid out.

Today, REL is one of the fastest growing product ranges in the entire high end with strong international partnerships all over the world and acclaim coming from virtually every high end audio and home theatre magazine.