SpeakerDecision
  • SPEAKERS
    • By Type
      Passive Bookshelf Speakers Passive Floor-standing Speakers Passive Center Channel Speakers Passive In-wall Speakers All Passive Speakers Powered Subwoofers Powered Stereo Speakers
      By Brand
      Acoustic Energy Audio-Technica Audioengine Bowers Wilkins Buchardt Cambridge Cambridge Audio DALI Definitive Technology Dynaudio ELAC Emotiva Fluance Focal Genelec Golden GoldenEar Jamo JBL Kanto KEF KLH Klipsch Leak Mackie MartinLogan McIntosh Mission MoFi Monitor Monitor Audio Nuvo Onkyo OSD Paradigm Polk Audio PSB Q Acoustics REL Revel Russound Sennheiser Sonos Sonus Sonus Faber Sony SVS Technics Triangle Victrola Wharfedale
  • AMPLIFIERS
    • By Type
      All Amplifiers Integrated Amplifiers Stereo Receivers Streaming Amplifiers
      By Brand
      Advance Paris Anthem Arcam AudioControl Audioengine Audiolab Bluesound Bose Buchardt Cambridge Cambridge Audio Denon Devialet ELAC HiFi HiFi Rose Integra JBL LEAK Marantz Mark McIntosh Michi MISSION NAD Naim Onkyo OSD Parasound Peachtree Primare PS Audio Rega Roksan Rotel Sonos Sony SVS Technics WiiM Yamaha
  • SMART FIND
  • BLOG
REL Classic 99 Subwoofer Review
REL Classic 99

Main Features

  • 12" Woofer
  • 24-120 Hz Frequency Response
  • Weight: 49.30 lbs / kg
  • Dimensions (H x W x D): 21-1/8" x 15-3/4" x 15-5/8"
MSRP: $2,099 (list price)
CHECK PRICE

Compare To

x
Add a Subwoofer for comparison
REL Classic 99 Subwoofer Review
REL Classic 99 REL Classic 99
See at AMAZON

Classic 99 is a Sealed type Powered Subwoofer by REL with a frequency range of 24-120 Hz. It features x 12" Woofer, and powered by a watts amplifier.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response

REL Classic 99 has a Frequency response range of 24-120 Hz at ±3dB. With the help of its x 12-inch driver and watts RMS amplifier, the Classic 99 can go as low as 24 Hz which doesn't quite offer full range sound (20Hz-2kHZ) but it gets really close. Here we have a comparison of how Classic 99'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 Classic 99
Min
Average
Max
High Frequency
Subwoofer Speakers
REL Classic 99
Min
Average
Max

Inputs and Outputs

REL Classic 99 External Dimensions and Weight

REL Classic 99 has external dimensions of (Height x Width x Depth) .

Weight
All Subwoofer Speakers
REL Classic 99
Min
Average
Max

Recommended Accessories

Here is a list of accessories that we think you may need for the REL Classic 99.

  • Vibration Isolators: IsoAcoustics isolators 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 Classic 99 Alternatives in Powered Subwoofer Speakers
Model Frequency Woofer Amp Power Dimensions
Polk Monitor XT12
Compare
24-160k Hz 12" 50 watts 16-7/16inch x 16-1/16inch x 19-1/16inch "
SVS SB-1000 Pro
Compare
20-270k Hz 12" 325 watts 13-1/2inch x 13inch x 15-13/16inch "
B&W DB4S
Compare
10-350k Hz 10" 1000 watts 14-3/4 x 14-1/4 x 17-1/16inch"
Klipsch R-121SW
Compare
28-120k Hz 12" 200 watts 16-5/8inch x 16inch x 20-15/16inch "
Klipsch R-101SW
Compare
30-160k Hz 10" 150 watts 14-9/16inch x 14-1/16inch x 20-13/16inch "
Klipsch RP-1200SW
Compare
17-138k Hz 12" 400 watts 18-15/16inch x 17inch x 25-15/16inch "
KEF KC62
Compare
11-200k Hz 6.5" 1000 watts 9-5/8inch x 10-1/8inch x 11-1/16inch "
Klipsch R-100SW
Compare
32-120k Hz 10" 150 watts 14-5/8 x 12-9/16 x 18-1/16inch"
Wharfedale SW-15
Compare
30-120k Hz 15" 400 watts 22-7/16inch x 19-3/8inch x 24-3/16inch "
Klipsch SPL-100
Compare
27-125k Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch"
B&W ASW610
Compare
27-140k Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch"
KEF KUBE 8b
Compare
34-140k Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch"
KEF KUBE 10b
Compare
24-140k Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch"
B&W ASW608
Compare
32-140k Hz 8" 200 watts 10-11/16 x 10-1/4 x 13-3/4inch"
Klipsch SPL-120
Compare
24-125k Hz 12" 300 watts 17-11/16 x 14-3/4 x 21-1/4inch"
JBL Stage A120P
Compare
32-150k Hz 12" 250 watts 16-5/16 x 15-7/16 x 18-11/16inch"
Frequently Asked Questions about REL Classic 99
LATEST BLOG POSTS

Wharfedale EVO5 Series Speakers are added to our Comparison Database
Klipsch La Scala AL6 and Klipschorn AK7 Speakers are Unveiled
New Audiolab 6000A MkII with upgraded DAC and new HDMI ARC connection
Q Acoustics 3000c Series Loudspeakers added to the database
WiiM VibeLink Amp: A Game-Changer for Budget Hi-Fi in 2025
KEF Meta and Reference Meta Floorstanding Speaker Size and Specs Comparison


Latest Powered Subwoofers
ELAC DS153
ELAC DS153
15-inch Woofer | 20-150 Hz | watts
ELAC DS123
ELAC DS123
12-inch Woofer | 28-150 Hz | watts
ELAC DS103
ELAC DS103
10-inch Woofer | 31-150 Hz | watts
ELAC Debut S10 2
ELAC Debut S10 2
10-inch Woofer | 35-150 Hz | watts
SVS SB 5000 R Evolution
SVS SB 5000 R Evolution
15-inch Woofer | 17-280 Hz | watts
SVS SB17 Ultra R Evolution
SVS SB17 Ultra R Evolution
17-inch Woofer | 15-320 Hz | watts
SVS PB 5000 R Evolution
SVS PB 5000 R Evolution
15-inch Woofer | 13-180 Hz | watts
SVS PB17 Ultra R Evolution
SVS PB17 Ultra R Evolution
17-inch Woofer | 14-220 Hz | watts
SVS 3000 In wall Single Subwoofer System
SVS 3000 In wall Single Subwoofer System
9-inch Woofer | 22-250 Hz | watts
SVS 3000 In wall Dual Subwoofer System
SVS 3000 In wall Dual Subwoofer System
9-inch Woofer | 22-250 Hz | watts


Most Popular Speakers
Klipsch Reference R-51M
Klipsch R-51M
2-way | 93 dB | 8 ohms
ELAC Debut 2.0 B6.2
ELAC Debut 2.0 B6.2
2-way | 87 dB | 6 ohms
Wharfedale Elysian 2
Wharfedale Elysian 2
3-way | 89 dB | 4 ohms
KEF Q150
KEF Q150
2-way | 86 dB | 8 ohms
Bowers & Wilkins 606 S2 Anniversary Edition
B&W 606 S2
2-way | 88 dB | 8 ohms
Klipsch Reference Premiere RP-500M
Klipsch RP-500M
2-way | 93 dB | 8 ohms
Wharfedale EVO5.1
Wharfedale EVO5.1
2-way | 87 dB | 4 ohms
Wharfedale EVO4.1
Wharfedale EVO4.1
2-way | 87 dB | 8 ohms
Wharfedale SUPER LINTON
Wharfedale SUPER LINTON
3-way | 90 dB | 6 ohms
Bowers & Wilkins 606
B&W 606
2-way | 88 dB | 8 ohms

Copyright © 2026 by SpeakerDecision
About Privacy Contact US Camera Decision