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  1. Home
  2. REL Speakers
  3. Powered Subwoofers
  4. REL T 9x SE
REL T 9x SE Subwoofer Review
REL T 9x SE - Front View

Compare To

Main Features

  • 10" Woofer
  • 27-120 Hz Frequency Response
  • Weight: 45.50 lbs / 20.64kg
  • Dimensions (H x W x D): 13-9/16" x 14-5/8" x 18-5/16"
MSRP: $1,799 (list price)
Check price atAmazon›
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REL T 9x SE Subwoofer Review
REL T 9x SE REL T 9x SE
Check price atAmazon›

Made by REL · United Kingdom · since 1990 · sold through dealers

T 9x SE is a Passive Radiator type Powered Subwoofer by REL with a frequency range of 27-120 Hz. It was released in 2023. It features 1 x 10" Woofer, and powered by a 300 watts amplifier.

T 9x SE is a member of REL's T/x series of Powered subwoofers. The T/x range are REL's popular subwoofers for music and film, with the brand's high-level connection. Below you can see the main specs of these subwoofers as well as review and comparison links.

See all 4 REL T/x models compared »

REL T/x Series Subwoofers
Model Frequency Woofer Amp Power Weight
REL T 7x
Compare
30-120 Hz 8" 200 watts 17.46kg
REL T 9x SE
27-120 Hz 10" 300 watts 20.64kg
REL T 5x
Compare
32-120 Hz 8" 125 watts 14.29kg
REL T 9x
Compare
27-120 Hz 10" 300 watts 20.64kg

Frequency Response

Where should the crossover go? →  ·  What will your room do to this bass? →

REL T 9x SE has a Frequency response range of 27-120 Hz. With the help of its 1 x 10-inch driver and 300 watts RMS amplifier, the T 9x SE can go as low as 27 Hz which doesn't quite offer full range sound (20Hz-2kHZ) but it gets really close.

Here we have a comparison of how T 9x SE's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Powered Subwoofers
REL T 9x SE
Min
Average
Max
High Frequency
Subwoofer Speakers
REL T 9x SE
Min
Average
Max

Among all subwoofers in our database with a max MSRP price of 2000$, these are the 5 Powered Subwoofer models that can reach deeper bass levels than the REL T 9x SE's 27Hz:

  • KEF KC62 with Low Frequency of 11 Hz (Compare w/ T 9x SE)
  • KEF KC92 with Low Frequency of 11 Hz (Compare w/ T 9x SE)
  • GoldenEar SuperSub X with Low Frequency of 12 Hz (Compare w/ T 9x SE)
  • GoldenEar ForceField 40 with Low Frequency of 14 Hz (Compare w/ T 9x SE)
  • GoldenEar ForceField 4 with Low Frequency of 14 Hz (Compare w/ T 9x SE)

Inputs and Outputs

REL T 9x SE External Dimensions and Weight

REL T 9x SE has external dimensions of (Height x Width x Depth) (344.5 x 371.5 x 465.1mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of REL T 9x SE is approximately 1727.8cm2 / 267.8inch2.

Find speakers that fit your shelf or alcove →

Weight

The REL T 9x SE weighs 20.64kg / 45.4lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how T 9x SE's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
REL T 9x SE
Min
Average
Median
Weight
Subwoofer Speakers under $2000
REL T 9x SE
Min
Average
Max

Recommended Accessories

Here is a list of accessories that we think you may need for the REL T 9x SE.

  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Warranty

3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.

REL T 9x SE Detailed Specifications

General
BrandREL
Full Model NameREL T 9x SE
TypePowered Subwoofer
Release Date2023
Frequency Response27-120 Hz
Enclosure TypePassive Radiator
Amplifier & Driver
Woofer10-inch

Controls & Connections
Physical
Dimensions (HxWxD)13-9/16" x 14-5/8" x 18-5/16" (344.5 x 371.5 x 465.1mm)
Weight20.64 kg (45.5 lbs)
Parts Warranty3 Years
Labor Warranty3 Years
REL T 9x SE Alternatives in Powered Subwoofer Speakers
Model Frequency Woofer Amp Power Dimensions
Polk Monitor XT12
Compare
24-160 Hz 12" 50 watts 16-7/16inch x 16-1/16inch x 19-1/16inch
SVS SB-1000 Pro
Compare
20-270 Hz 12" 325 watts 13-1/2inch x 13inch x 15-13/16inch
B&W DB4S
Compare
10-350 Hz 10" 1000 watts 14-3/4 x 14-1/4 x 17-1/16inch
Klipsch R-121SW
Compare
28-120 Hz 12" 200 watts 16-5/8inch x 16inch x 20-15/16inch
Klipsch R-101SW
Compare
30-160 Hz 10" 150 watts 14-9/16inch x 14-1/16inch x 20-13/16inch
Klipsch RP-1200SW
Compare
17-138 Hz 12" 400 watts 18-15/16inch x 17inch x 25-15/16inch
KEF KC62
Compare
11-200 Hz 6.5" 1000 watts 9-5/8inch x 10-1/8inch x 11-1/16inch
Klipsch R-100SW
Compare
32-120 Hz 10" 150 watts 14-5/8 x 12-9/16 x 18-1/16inch
Wharfedale SW-15
Compare
30-120 Hz 15" 400 watts 22-7/16inch x 19-3/8inch x 24-3/16inch
Klipsch SPL-100
Compare
27-125 Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch
B&W ASW610
Compare
27-140 Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch
KEF KUBE 8b
Compare
34-140 Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch
KEF KUBE 10b
Compare
24-140 Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch
B&W ASW608
Compare
32-140 Hz 8" 200 watts 10-11/16 x 10-1/4 x 13-3/4inch
JBL Stage A120P
Compare
32-150 Hz 12" 250 watts 16-5/16 x 15-7/16 x 18-11/16inch
Klipsch SPL-120
Compare
24-125 Hz 12" 300 watts 17-11/16 x 14-3/4 x 21-1/4inch
Frequently Asked Questions about REL T 9x SE

How low can the REL T 9x SE go?

The REL T 9x SE has a frequency response of 27-120 Hz. It reaches down to 27Hz, deep enough for the low end of most music and movie effects.

Is the REL T 9x SE sealed or ported?

The REL T 9x SE uses a Passive Radiator enclosure. Ported (bass-reflex) designs use a tuned vent to move more air, giving deeper, louder output for the same driver, which suits home theater.

What driver does the REL T 9x SE use?

The REL T 9x SE has a 10-inch driver.

How big and heavy is the REL T 9x SE?

The REL T 9x SE weighs 20.64kg / 45.4lbs and measures 13-9/16" x 14-5/8" x 18-5/16" (HxWxD).

How much does the REL T 9x SE cost?

The REL T 9x SE has a manufacturer's list price (MSRP) of $1,799.

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