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REL Acoustics Tzero MKIII — Review & Specs | Pricepect | Pricepect

Home Home Theater SubwoofersREL Acoustics Tzero MKIII

REL Acoustics Tzero MKIII — image 1

REL Acoustics

REL Acoustics Tzero MKIII

$549.00$599.008% off

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MKIIIHigh Gloss Black

Home Theater Subwoofers

Expert Review Analysis

The REL Acoustics Tzero MKIII is an ultra‑compact, sealed‑box powered subwoofer featuring a 6.5" down‑firing aluminum cone driver and a 100 W Class D amplifier. It delivers fast, articulate bass with low internal delay, making it ideal for small rooms, desktop systems, and modest 2‑channel stereo or home‑theater setups.

✓ Best for: Small rooms under 200 sq ft, desktop or near‑field speaker systems, modest 2‑channel stereo setups, and discreet 2.1 home‑theater configurations where musical integration and low‑delay bass are prioritized.✗ Not ideal for: Large living rooms, dedicated home‑theater rooms, high‑SPL music genres (rock, EDM), or any application requiring deep sub‑30 Hz rumble and high output.

Pros

✓Ultra‑compact footprint (8.5 × 9.5 × 10.5 in) fits small spaces and desktop setups without sacrificing aesthetics.
✓Sealed acoustic suspension design delivers natural, fast, articulate bass with a low internal delay of roughly 8‑10 ms.
✓

Price History

Current

$549.00

Average

$496.23

Lowest

$449.00

Highest

$549.00

Price trend (90d):0.0%

Best Seller Rank History

Now#178Best#108Worst#311 +133

Lower = better sales rank

Rating Trend

Rating4.3/ 5Reviews69+6 reviews -0.29

Specifications

Audio

Driver Diameter165 mm mm

Driver MaterialAluminum cone with steel chassis

Low Frequency Extension-6 dB at 37 Hz

Frequency Response37-120 Hz

Connectivity

Input ConnectorsHigh Level Neutrik Speakon, Low Level RCA, LFE RCA

Input ImpedanceHigh-level 150 kΩ, Low-level 10 kΩ

Controls

Gain Control80 dB range dB

Phase Switch0 or 180 degrees

CrossoverAdjustable (60-75 Hz)

Design

ColorHigh Gloss Black

Enclosure Material3/4" (19 mm) MDF with internal bracing, 5 coats high gloss lacquer

Enclosure TypeClosed box, sealed acoustic suspension, down-firing driver

Features

Wireless Add-onHT-Air MKII (optional)

Delay Filter8 ms delay filter

Standby CircuitActivates at low levels

Time Delay≈10 ms via high-level input

General

BrandREL Acoustics

ModelTzero MKIII

Height241 mm mm

Width216 mm mm

Depth260 mm mm

Power

Amplifier Power100 W RMS W

Protection SystemFully electronic; 2.00 A fuse; 100-240 V input

Amplifier

Gain Control80 dB range

Signal Processing

Phase SwitchSelectable 0° or 180°

Internal Delay Filter8 ms delay filter set with standby circuit activating at low levels

Protection

Electronic Set‑Safe SystemFully electronic with 2 A semi‑delay fuses, mains 100‑240 V

Enclosure

Finish5 coats high‑gloss lacquer (Piano Black or Gloss White)

Dimensions & Weight

Height9.5 inches

Width8.5 inches

Depth10.5 inches

Weight15.0 Pounds

Research Sources

audioadvice.com

crutchfield.com

upscaleaudio.com

hifiandmusicsource.com

thesourceav.com

everydayaudiophile.com

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User Reviews

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4.3

(69 reviews)

Versatile connectivity includes high‑level Neutrik Speakon, low‑level RCA and dedicated LFE input with independent controls for music and movie sources.

✓High‑gloss lacquer finish (Piano Black or Gloss White) provides a premium, visually striking appearance.

✓100‑watt Class D amplifier supplies ample power for rooms under 200 sq ft while maintaining low distortion.

Cons

✗Limited low‑frequency extension (‑6 dB at 37 Hz) may not satisfy deep‑rumble home‑theater demands.
✗Output power is insufficient for medium or large rooms larger than ~200 sq ft or for high‑volume music genres.
✗No built‑in wireless capability; the optional HT‑Air MKII module must be purchased separately.
✗Absence of a passive radiator limits maximum bass output compared to some competing sealed subwoofers.
✗Small 6.5‑inch driver may struggle to fill very large spaces with high SPL.

From Expert Reviews

Praised by Experts

✓Professional reviewers highlight its mighty performance in a tiny package, delivering REL’s legendary textured, articulate and fast bass despite the compact size.
✓The high‑level Neutrik Speakon input is praised for precise timing integration, preserving system timbre in music and home‑theater setups.
✓Reviewers note the exceptionally low internal delay of roughly 8‑10 ms, which contributes to tight, responsive bass response.
✓The adjustable crossover (typically 60‑75 Hz) and separate music/LFE controls are commended for easy, flexible setup.
✓The subwoofer’s high‑gloss finish and solid build quality are repeatedly described as gorgeously finished and solidly made.

Criticized by Experts

✗Professionals point out the limited output and power, making it unsuitable for medium or large rooms exceeding about 200 sq ft.
✗The modest low‑frequency extension (‑6 dB at 37 Hz) is noted as insufficient for deep home‑theater rumble.
✗Reviewers mention the lack of built‑in wireless connectivity, requiring the optional HT‑Air MKII add‑on for wireless use.

From User Reviews

Users Love

✓Everyday users appreciate how seamlessly the Tzero blends with small speakers, delivering room‑filling bass in compact setups.
✓Customers note the easy high‑level Speakon connection preserves the timbre of their existing system without additional processing.
✓Users commend the subwoofer’s discreet size and premium finish, allowing it to fit unobtrusively in apartments or home offices.

Users Complain About

✗Users report that the subwoofer struggles to provide adequate bass in larger rooms or for high‑volume music genres.
✗Some customers mention that achieving optimal performance requires careful placement and precise crossover tuning.
✗A few owners note the absence of built‑in wireless as an inconvenience, needing an extra accessory for wireless operation.

Expert Opinion

Professional reviewers consistently praise the Tzero MKIII for delivering REL’s signature fast, textured bass in an ultra‑compact enclosure, emphasizing its low internal delay, versatile high‑level connectivity, and premium finish. However, they caution that its modest power and limited low‑frequency extension make it less suitable for larger home‑theater environments, and they note the need for an optional wireless module if wireless operation is desired.

What Users Say

Everyday owners love the subwoofer’s ability to blend seamlessly with small speakers and its discreet, high‑gloss appearance, often highlighting the easy high‑level hookup and the tight, responsive bass. Common complaints focus on insufficient output for larger spaces, the necessity of careful placement and crossover tuning, and the lack of built‑in wireless functionality.

Common Complaints

Insufficient bass output in larger rooms, need for careful placement and crossover tuning, and the absence of built‑in wireless requiring an extra accessory.

What People Are Saying

“mighty performance in a tiny package”
Wall of Sound

“vanishingly small 10 ms delay”
HiFi

“gorgeously finished, solidly made”
StereoNET

How It Compares

vs. SVS SB-1000 Pro

Advantages

✓Tzero is far smaller and lighter, making it easier to place in tight spaces.
✓Lower price point provides better value for budget‑conscious users.

Disadvantages

✗SVS offers deeper low‑frequency extension (-3 dB at 20 Hz) and higher RMS power (325 W).
✗SVS’s larger 12‑inch driver delivers more output for medium‑size rooms.

Choose the Tzero for ultra‑compact, music‑focused setups; choose the SVS SB‑1000 Pro for deeper bass and larger room coverage.

vs. Hsu Research VTF-2 MK5

Advantages

✓Tzero’s premium high‑gloss finish and smaller footprint suit apartment environments.
✓Simpler connectivity with high‑level input preserves system timbre.

Disadvantages

✗Hsu provides far greater power (1000 W peak) and deeper extension (-3 dB at 18 Hz).
✗Hsu’s larger 15‑inch driver can fill big rooms that Tzero cannot.

Tzero is ideal for discreet, music‑centric use; Hsu VTF‑2 MK5 is better for high‑output home‑theater in larger spaces.

vs. KEF KC62

Advantages

✓Tzero is less expensive and requires fewer setup steps than KEF’s dual‑driver system.
✓Its single driver design avoids the complexity of force‑cancelling alignment.

Disadvantages

✗KEF offers a dual 6.5‑inch opposed driver design that can achieve lower frequencies (-15 Hz @ -6 dB).
✗KEF’s unit is heavier and more costly while still larger than the Tzero.

Select Tzero for a budget‑friendly, compact solution; select KEF KC62 when ultra‑deep bass and premium brand positioning are priorities.