REL Tzero MKIII subwoofer
Best compact subwoofer for adding natural bass to small living spaces.
The REL Tzero MKIII subwoofer brings true REL quality to compact spaces, ideal for apartments, studies, or anywhere room size is a consideration. It elevates modest audio systems with added power and natural bass. Featuring an all-new aluminum cone for enhanced stiffness and punch, it is driven by a powerful and reliable Class D amplifier. The Tzero MKIII also includes the full REL connectivity suite for easy integration, all within an attractive, space-saving design.
$549.00
Owner Satisfaction
4.5
/ 5
Category Rank
2641
/ 6561
#2641 in Speakers
Price vs Category Average
-62%
Below average
Speaker Type
Subwoofer
/ Subwoofer
Who it's for
- Music lovers prioritizing tight, musical bass over raw power
- Audiophiles seeking perfect sonic cohesion with their main speakers
- Apartment dwellers needing high-performance bass in tight spaces
Who should skip it
- Home theater enthusiasts filling large, open-concept living areas
- Budget-conscious shoppers prioritizing raw output over refined sound
- Beginners wanting a simple plug-and-play subwoofer experience
Performance breakdown
Compact footprint
Fits effortlessly into tight corners where larger subwoofers simply cannot go.
Bass articulation
Aluminum cone delivers tight, punchy transients rather than muddy, boomy output.
Integration versatility
REL’s signature connectivity suite makes blending with main speakers remarkably intuitive.
Build quality
Solid, dense cabinet construction minimizes unwanted resonance during high-volume playback.
Amplification efficiency
Class D power provides reliable, cool-running performance for extended listening sessions.
Room filling capability
Perfect for apartments and studies, though limited in very large spaces.
Key Specs
Speaker Type
Subwoofer
Model Number
Tzero MKIII
Amplifier Type
Class D
Mounting Type
Freestanding
Audio Input Type
RCA
Built-in Amplifier
True
Features
- True REL quality in a compact design
- Enhances systems with power and natural bass
- All-new aluminum cone for superior stiffness
- Powerful and reliable Class D amplification
- Full REL connectivity suite included
- Ideal for space-limited environments
What customers say
The REL Tzero MKIII earns high praise for its musicality, especially in smaller setups. Customers consistently describe the bass as fast, textured, and seamlessly integrated, serving as a true extension of the main speakers. Its proprietary high level input simplifies setup significantly. Reviewers appreciate the premium, robust build quality despite the compact size. While it prioritizes sonic accuracy over raw output, the overwhelming sentiment is satisfaction with its ability to add foundational weight and atmosphere subtly. It is viewed as a top tier solution for those seeking refinement and precision in their audio experience.
Know before you buy
The Tzero MKIII is specifically engineered for compact spaces like apartments, home offices, or studies. While it provides impressive depth for its size, it may struggle to fill a large, open-concept living area compared to REL’s larger subwoofer models.
The aluminum cone is significantly stiffer than previous iterations, which allows the driver to move with greater precision and speed. This results in tighter, punchier bass that remains controlled even when the volume is pushed.
Yes, the Tzero MKIII features REL’s full connectivity suite, including high-level inputs that allow you to connect directly to your amplifier's speaker terminals. This ensures the subwoofer perfectly matches the sonic signature of your main speakers.
Class D amplifiers are highly efficient and generate very little heat compared to traditional designs. You can place the Tzero MKIII in most standard room placements without worrying about significant heat buildup.
It is designed to handle both. While it excels at adding natural, musical bass to stereo systems, its compact power and speed make it a great addition to smaller home theater setups where space is at a premium.
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$549