REL T5i Subwoofer

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Purity Reimagined

The Stunningly Simple T/5i

Simplify, Then Add Lightness: Simplicity is its own reward and T/5i reduces the classic cubic sub to its bare essence. A single, high quality AlloyFibre™ composite driver and down firing orientation produces maximum coupling with the floor and eliminates the need for a grille. T/5i is the purest expression of REL.

Faster & Deeper

A 360º Update

REL began by updating their classic 8” bass engine to reduce mass, while greatly increasing stiffness. This improvement led to upgrading cabinet dimensions and wall thickness to better control the deep bass. Additional upgrades extended even into the design of the feet, resulting in greater speed and solidity to the presentation of sound.

Proven Power

RELs Reliable Brains And Brawn

REL’s electronics are the brains and power behind their success. Serie Ti uses the same Class A/B power amplifier sections with large, high current power supplies, precision-wound transformers and an amazing reliability record that has powered some 100,000 RELs.

Zero Compression Wireless

Introducing Arrow™

Arrow™ is REL’s latest generation of zero compression wireless. Super fast delivery of both High Level Bass and .1/ LFE ensures the rich, natural warmth that only RELs can deliver. With a throw distance of some 45’(13.7M) Arrow permits flexible placement without sacrificing sound quality.


T/5i Specifications
Type Closed Box, down-firing active woofer
Active Drive Unit 8in., 200 mm long-throw, inverted dust cap, steel chassis
Lower Frequency Response 32 Hz at -6 dB in room
Input Connectors Hi Level Neutrik Speakon, Lo Level single phono, LFE phono
Input Impedance High Level: 150k, Low Level: 10k, .1/LFE 10 ohms
Gain Control Range 80 dB
Power Output 125 Watts (RMS)
Phase Switch Yes, 0 or 180 degrees
Amplifier Type Class AB
Protection System
Fully Electronic SET-SAFE Yes
D.C. Fault Yes
Output Short Yes
Mains Input Voltage 220-240 volts, 110-120 volts for certain markets
Fuses 1.6 Amp semi delay 230 volts operation, 3.15 Amp
semi delay 115 volts operation
Dimensions (WHD) 10.5 x 12.5 x 12.7 in., (267 x 317 x 322 mm)
Including Feet and Rear Panel Controls.
Add 1.75 in (44.5 mm) in depth when using Hi Level connector
Net Weight 26.5 lbs. (12 kg)
Finish Gloss Piano Black or White Lacquer
Supplied Accessories
Mains Lead Yes
Neutrik Speakon Interconnect Yes (10 Meters Nominal)
Users Manual Yes
Book a Demo - REL T5i Subwoofer

Nintronics offers generous trade in prices to help make your next upgrade as seamless as possible, while greatly reducing the overall price of your purchase. Depending upon the items involved, Nintronics will be happy to send out one of our nationwide installation engineers to collect your traded in items and unbox, setup and calibrate your new equipment.

Trade In - REL T5i Subwoofer
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We offer FREE delivery to the mainland UK (excluding Channel Islands, Isle of Man, Isle of White, Isles of Scilly, and some of the remote Scottish Isles).

For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.

Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.

Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.