REL subwoofers for extension, scale and low-frequency integration.
The right subwoofer is not selected by driver size or price alone. Room volume, main-loudspeaker extension, listening level, intended use, placement and the desired system architecture all matter. Browse the current approved REL range, then confirm suitability and availability with MSN Audio.
COMPARE BY ROLE
A structured comparison, not an automatic ranking.
The relevant model depends on the existing system, installation, room context and the change being considered. Published specifications establish context, not a diagnosis or an automatic answer.
REL ACOUSTICS · 02
Reference Series
REL ACOUSTICS · SUBWOOFERS
REL No.32
No.32 is REL's current Reference flagship, combining a sealed 15-inch carbon-fibre driver, 1,000 W RMS NextGen 7 amplification, dual parametric filters and the Reference Remote.
System roleThe flagship of the current REL range, intended for system-led consultation rather than automatic selection by price, room area or speaker brand.
Acoustic configuration
Sealed enclosure; front-firing active driver; no passive radiator
Active driver
15 in (380 mm) long-throw carbon-fibre driver with inverted carbon-fibre centre cap
$20,999
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
No.31 combines a sealed 12-inch carbon-fibre driver, 900 W RMS NextGen 7 amplification, dual parametric filters and the REL Reference Remote.
System roleThe more compact current Reference model, retaining Reference controls, connection architecture and matched-model Line Array capability.
Acoustic configuration
Sealed enclosure; front-firing active driver; no passive radiator
Active driver
12 in (300 mm) long-throw carbon-fibre driver with inverted carbon-fibre centre cap
$14,999
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
212 Black Label combines two front-firing active drivers with rear- and down-firing passive radiators for systems being evaluated for high output and physical scale from a single cabinet.
System roleThe largest single-enclosure expression of the current Serie S range, designed as an alternative path to-not a stackable member of-the Serie S Line Array models.
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
Carbon Special Black Label combines a 12-inch carbon-fibre active driver, a 12-inch passive radiator and 900 W RMS amplification for systems being evaluated between standard Serie S and Reference.
System roleThe premium medium-chassis Serie S option, with Reference-derived driver engineering and matched-model Line Array capability.
Acoustic configuration
Front-firing active driver; down-firing passive radiator
Active driver
12 in (305 mm) long-throw carbon-fibre driver with inverted carbon-fibre centre cap
$9,999
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
S/850 pairs a 12-inch CarbonAlloy active driver with a 12-inch passive radiator, 850 W RMS amplification and REL's analogue High-Level and LFE architecture.
System roleThe current standard Serie S flagship, positioned above S/550 for systems being evaluated for greater scale and output potential.
Acoustic configuration
Front-firing active driver; down-firing passive radiator
Active driver
12 in (305 mm) long-throw CarbonAlloy driver
$7,799
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
S/550 combines a 10-inch CarbonAlloy active driver, a 12-inch passive radiator and REL's analogue connection architecture for high-quality music and cinema systems.
System roleThe compact entry point to the current Serie S range, with stereo-pair and Line Array capability available for professionally designed systems.
Acoustic configuration
Front-firing active driver; down-firing passive radiator
Active driver
10 in (250 mm) long-throw CarbonAlloy driver
$6,299
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
Planar PL-2 extends the ultra-thin, boundary-coupled Planar concept with a larger active driver and deeper published extension while retaining wall-mounted and cart-based installation options.
System roleThe larger Planar model for systems seeking more output potential without returning to a conventional deep cabinet.
Acoustic configuration
1 front-firing active woofer; 1 rear-firing passive radiator
Active driver
8 in (205 mm) FlatPiston long-throw driver
$5,999
2-year standard Australian warrantyPre-order in Australia. Timing is confirmed before an order is accepted.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
Planar PL-1 brings REL's high-level integration and an ultra-thin, boundary-coupled design to systems where a conventional subwoofer footprint is difficult to accommodate.
System roleThe more compact Planar model: an architectural placement option for music, cinema and custom-install systems without making 3D, wall mounting or wireless mandatory.
Acoustic configuration
2 front-firing active woofers; 1 rear-firing passive radiator
Active drivers
2 × 6.5 in (165 mm) FibreAlloy long-throw drivers
$3,999
2-year standard Australian warrantyPre-order in Australia. Timing is confirmed before an order is accepted.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
Classic 99 expands the Classic format with a larger sealed cabinet, down-firing 12-inch driver, High Level connectivity and walnut veneer. It remains a music-first candidate that must be integrated to the actual room and system.
System roleThe larger Classic-series option for music-first systems seeking more driver area and amplifier output within the same furniture-led design language.
Type
Closed box; down-firing active driver
Active driver
12 in / 305 mm amended pulp-on-paper inverted cone
$3,899
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
Classic 98 combines vintage-led visual design with modern Class D amplification, High Level connectivity and a sealed 10-inch down-firing driver. REL positions its voicing as warmer; that is a manufacturer characterisation, not a measured room outcome.
System roleA music-first Classic-series option for listeners who value walnut furniture styling and REL's stated warmer voicing.
Type
Closed box; down-firing active driver
Active driver
10 in / 250 mm amended pulp-on-paper inverted cone
$2,799
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
T/9x SE retains 300-watt Class A/B amplification while changing the active-driver construction and exterior detailing. Finish and global sale status require separate Australian confirmation.
System roleA special-edition T/9x variant differentiated by its FibreCarbon active driver and colour-led exterior treatment.
Type
Front-firing active driver; down-firing passive radiator
Active driver
10 in / 250 mm FibreCarbon with inverted carbon-fibre centre cap
$3,299
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
T/9x pairs a 10-inch front-firing active driver with a 10-inch down-firing passive radiator and 300-watt Class A/B amplification. Its greater scale still requires system-specific connection, placement and measurement.
System roleThe largest standard Serie T/x option for music and mixed cinema systems.
Type
Front-firing active driver; down-firing passive radiator
Active driver
10 in / 250 mm FibreAlloy
$2,999
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
T/7x combines an 8-inch front-firing active driver, a 10-inch down-firing passive radiator and a 200-watt Class A/B amplifier. It is a music and cinema candidate, not a room-size prescription.
System roleThe middle Serie T/x model, balancing cabinet size, active/passive driver area and connection flexibility.
Type
Front-firing active driver; down-firing passive radiator
Active driver
8 in / 200 mm FibreAlloy
$2,199
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
T/5x uses a sealed, down-firing 8-inch driver and a 125-watt Class A/B amplifier. It can support music and mixed-use systems, subject to amplifier compatibility, room behaviour and measured integration.
System roleThe compact entry point to Serie T/x for music and mixed music/cinema systems.
Type
Closed box; down-firing active driver
Active driver
8 in / 200 mm long-throw FibreAlloy cone
$1,599
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
HT/1510 Predator combines a sealed front-firing 15-inch CarbonGlas driver, 1,000-watt amplification, RCA and XLR LFE connections, and manufacturer-designed stacking hardware. Selection and installation require room, electrical and structural review.
System roleThe flagship Serie HT model for high-output, LFE-led systems, with optional manufacturer-engineered stacking.
Type
Closed box; front-firing active driver
Active driver
15 in / 380 mm CarbonGlas
$4,199
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
HT/1205 MKII uses a sealed front-firing CarbonGlas driver, Class D amplification and low-level/LFE connections with daisy-chain output. It requires processor-aware setup and measured room integration.
System roleThe middle Serie HT model, adding driver area and amplifier output while retaining an LFE-led connection architecture.
Type
Closed box; front-firing active driver
Active driver
12 in / 300 mm CarbonGlas
$1,999
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
HT/1003 MKII is built around low-level and LFE connectivity, a sealed front-firing 10-inch driver and 300-watt Class D amplification. It does not provide REL High Level input.
System roleThe compact entry point to Serie HT for low-level/LFE-led cinema or mixed-use systems.
Type
Closed box; front-firing active driver
Active driver
10 in / 250 mm CarbonGlas
$1,599
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
Tzero MKIII combines a sealed, down-firing 6.5-inch driver with High Level, low-level and LFE inputs. Its role is compact low-frequency support; room behaviour and integration still need to be assessed in the actual system.
System roleCompact, music-first low-frequency support with a separate LFE path for mixed-use systems.
Type
Closed box; down-firing active driver
Active driver
6.5 in / 165 mm long-throw aluminium cone
$949
2-year standard Australian warrantyAvailable to order in Australia. Stock and delivery timing are confirmed for each enquiry.Base single-unit configuration. Optional finishes, grilles, accessories, pairs and arrays are confirmed separately.
Focus on natural extension, timing and integration with the main loudspeakers rather than obvious bass effect.
Home theatre
Consider room volume, output demand, extension and the required LFE performance.
Stereo pairs and multiple-sub systems
Use additional units only where the room, system objective and setup plan support the choice. More units are not a substitute for correct placement and integration.
02
When measurement is useful
If one bass note dominates, another disappears, or an existing subwoofer is difficult to integrate, a model change may not be the first answer. The Melbourne Room & Bass Measurement can separate major room behaviour from setup assumptions.
Send the room dimensions, loudspeaker model, current subwoofer information and intended use. MSN Audio will confirm the relevant REL options and current Australian availability.