Small Size. Serious Performance. True REL DNA. Tzero MKIII brings fast, expressive bass to intimate environments perfect for offices, apartments, studios, and smaller living spaces.
Read moreAt a glance
All specifications- Power
- 100 W per channel
- Type
- Closed Box, down-firing driver
- Low Frequency Extension
- -6dB at 37 Hz Low Frequency
- Output Connectors
- N/A
- Power Output
- 100 watts (RMS)
- Amplifier Type
- Class D
Overview
Small Size. Serious Performance. True REL DNA.
Tzero MKIII brings fast, expressive bass to intimate environments perfect for offices, apartments, studios, and smaller living spaces.
In the box
- Serie Tzero MKIII Subwoofer
- Grille
- 6' AC Power Cord
- 32' Neutrik Speakon Cable
- User Manual & Warranty Information
- Important Safety Instructions
Features
3

Scaled for the Simple Life
Design At REL every design begins by defining and designing the best bass engine for a given application. With its new aluminum-coned long throw 6.5” driver, the MKIII is powerful and articulate, delivering surprisingly deep bass. Able to fill smaller spaces effortlessly. Have a much larger space? Turn to one of our larger models, there are plenty to choose from.

Outsized Performance
Driver At REL every clean sheet design begins by defining and designing the best bass engine for a given application. While the long throw 6.5” is our smallest-to-date, but make no mistake it is powerful and articulate, able to fill medium-sized rooms effortlessly. Have a much larger space? Distribute them throughout for an unobtrusive spacious presentation of music and film sound.

Brains & Brawn
Amplifier Though Tzero MKIII is REL’s entry level, that doesn’t mean it can’t punch far above its weight class. 100 high-current watts from a NextGen Class D amp means it holds its head high and is capable of delivering many years of satisfying performance. We feature the same high-quality input filters, crossovers and limiters as our larger models. Tzero MKIII includes a full REL connectivity suite, fast 8ms delay filter set and our famed High Level Input as well as a separate .1/LFE input with its own level control and a standby circuit that reliably comes alive at very low levels.
Specifications
- Power
- 100 W per channel
- How much power it delivers to each speaker into its rated load.
- Model code
- REL-TZERO-MKIII-WHITE
- Quote it when you ask a specialist.
Technical Specifications
- Type
- Closed Box, down-firing driver
- Active Driver Size & Material
- 6.5in. (165mm) long-throw, aluminum cone, steel chassis
- Passive Radiator Size & Material
- N/A
- Low Frequency Extension
- -6dB at 37 Hz Low Frequency
- Input Connectors
- High Level Neutrik Speakon, Low Level (1) RCA, (1) LFE RCA
- Output Connectors
- N/A
- Power Output
- 100 watts (RMS)
- Amplifier Type
- Class D
- Wireless Capability
- HT- Air MKII (sold separately)
- Dual Parametric Filter
- HT- Air MKII (sold separately)
- Finish
- Piano Black Lacquer, Gloss White Lacquer 5 coats
Protection System
- Fully Electronic Set Safe
- Yes
- D.C. Fault
- Yes
- Output Short
- Yes
- Mains Input Voltage
- 100-240 volts
- Fuses
- 2.00 Amp semi delay
Supplied Accessories
- Mains Lead
- Yes
- Neutrik Speakon
- Yes (10 Meters Nominal)
- Interconnect
- -
- User Manual
- Yes
Downloads
1
- Tzero MKIII User ManualManual · English · PDF, 1.3 MBDownload
Awards and press
3
“I can say without a doubt that these tiny REL’s excelled in becoming one with my monitors in a way I’d never really experienced prior…. Overall I fell in love with these little REL’s. They’re small, WAF (Wife Acceptance Factor) friendly, and in the right circumstances would be all you’re looking for in a two channel system.”
- Everyday Audiophile
I have always felt a subwoofer points to a deficiency in the main pair of speakers, this, again, is not the case. I feel as if the subwoofer makes speakers more efficient and in the case of these two REL Tzero MKIIIs they are supporting the soundstage handsomely, without becoming too overbearing.
- HiFi and Music Source"I think the Tzero MKIII is a serious over achiever...the fact that it's so freaking tiny and beautifully finished, you could just tuck it away anyway. It has a lot going for it and it comes highly, highly recommended"
- Steve Gutteberg, The Audiophiliac
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