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REL ACOUSTICS · SUBWOOFERS

REL No.31

No.31 combines a sealed 12-inch carbon-fibre driver, 900 W RMS NextGen 7 amplification, dual parametric filters and the REL Reference Remote.

$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.
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Official REL REL No.31 product view.

WHO IT IS FOR

Who it is for

Primary roles

  • The more compact current Reference model, retaining Reference controls, connection architecture and matched-model Line Array capability.
Official REL REL No.31 alternate finish or grille view.
Official REL No.31 alternate configuration media supplied by REL.
Official REL REL No.31 rear panel or construction detail.
Official REL No.31 detail media supplied by REL.
Official REL REL No.31 shown in a styled room setting.
Official REL room-setting image for REL No.31; it does not represent MSN Audio stock or a local installation.

ARCHITECTURE

Verified features, explained in system context.

01

Connection context

Inputs: High-Level Neutrik SpeakOn, 2 × Low-Level RCA, LFE RCA, LFE XLR. Outputs: High-Level Neutrik SpeakOn, Low-Level RCA, LFE XLR, Line XLR. Connection guidance: Use topology-specific High-Level connection guidance and the Reference manual; do not publish a universal balanced or Class D wiring diagram.

02

Installation and integration

Plan safe handling for the 52 kg enclosure and preserve ventilation and cable access. Use only matched No.31 units and approved REL hardware in a professionally engineered Line Array. Configure phase, crossover, gain and parametric filters from measurements, not presets.

SYSTEM / ROOM MATCHING

System / room matching notes

Connections, room context, installation and the listening objective are reviewed together before a configuration is proposed.

Fit to confirm

  • Reference-level two-channel systems using High-Level or Low-Level input.
  • Cinema systems using RCA or balanced XLR LFE.
  • Professionally designed stereo-pair or matched No.31 Line Array systems.

Known boundaries

  • 17 Hz at -6 dB is a product extension specification, not a measured listening-seat response.
  • Dual parametric filters do not replace room measurement or justify automatic EQ values.
  • The exact current wireless accessory is held because the official page names two different generations.

ROOM & INSTALLATION

Conditions to establish before specification.

TECHNICAL REFERENCE

Specifications grouped for useful comparison.

Manufacturer specifications

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
Manufacturer low-frequency extension
17 Hz at -6 dB
Amplifier
900 W RMS NextGen 7 Class D
Filter and control
Dual parametric filters; REL Reference Remote
Dimensions (W × H × D)
638 × 435 × 720 mm (W × H × D)
Net weight
52 kg
Manufacturer-listed finish
Piano Black Lacquer, 12 coats

EXTERIOR & CONFIGURATION

Confirm the supplied product, not just the model name.

Finish

Current finish options are confirmed during the enquiry. Official media identifies the model but is not an inventory promise.

Supplied configuration

The displayed price is for the reviewed base single-unit configuration. Finish, accessories, pairing and any other configuration are confirmed in writing before an order is accepted.

ADJACENT ROLES

Compare architecture before choosing a model.

Official REL REL No.32 product view.

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.

$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.
View Product Details

MEASUREMENT REMAINS INDEPENDENT

Establish the room evidence before prescribing a product outcome.

Room & Bass Measurement can identify the bands and decay behaviour that deserve attention without presuming this product, a quantity or a placement is the answer. The service does not require a product purchase.

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FAQ

Before you enquire.

What does the Australian price for REL No.31 cover?+

$14,999 is the base single-unit price with a two-year standard Australian warranty. Optional finishes, grilles, accessories, pairs or arrays are confirmed separately. Availability does not imply local stock or a fixed delivery time. These warranty terms do not limit statutory consumer guarantees under Australian Consumer Law.

SOURCES & REVIEW

Product facts remain traceable.

Official REL Acoustics source material checked 23 July 2026. The published Australian price is paired with 2-year standard Australian warranty. Availability and expected delivery timing remain subject to order confirmation.

AUSTRALIAN ENQUIRY & SUPPORT

Australian enquiry and support path

Ask about availability for REL No.31, then share the system and decision in front of you. MSN Audio will confirm the supplied configuration, Australian support path and whether this product is relevant.

REL AcousticsREL No.31

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