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popularEragorn | Staff posted Jun 22, 2026 06:18 PM
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popularEragorn | Staff posted Jun 22, 2026 06:18 PM

Klipsch Reference 12" 400W Front-Firing Subwoofer (R-121SW) $390 + Free Shipping $390.02

$390

$650

40% off
Amazon
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Deal Details
Various Retailers [amazon.com] have Klipsch Reference 12" 400W Front-Firing Subwoofer w/ Spun-Copper Woofer (R-121SW) on sale for $389.99. Shipping is free.

Available Retailers:

Product Details:
  • Woofer: 12" spun-copper thermoformed crystalline polymer cone
  • Power: 400W all-digital amplifier
  • Driver: Front-firing configuration
  • Inputs: Line/LFE (compatible with most AV receivers)
  • Controls: Low-pass crossover and phase control
  • Connectivity: Wired (speaker wire)
  • Frequency response: 120 Hz
  • Model: R-121SW
  • Dimensions: 19.7"D × 16"W × 16.6"H
  • Weight: 34.2 lbs
  • Power source: Corded electric
  • Mounting: Floor-standing
  • Color: Black
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Deal Details
Community Notes
About the Poster
Various Retailers [amazon.com] have Klipsch Reference 12" 400W Front-Firing Subwoofer w/ Spun-Copper Woofer (R-121SW) on sale for $389.99. Shipping is free.

Available Retailers:

Product Details:
  • Woofer: 12" spun-copper thermoformed crystalline polymer cone
  • Power: 400W all-digital amplifier
  • Driver: Front-firing configuration
  • Inputs: Line/LFE (compatible with most AV receivers)
  • Controls: Low-pass crossover and phase control
  • Connectivity: Wired (speaker wire)
  • Frequency response: 120 Hz
  • Model: R-121SW
  • Dimensions: 19.7"D × 16"W × 16.6"H
  • Weight: 34.2 lbs
  • Power source: Corded electric
  • Mounting: Floor-standing
  • Color: Black

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9 Comments

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Pro
Jun 22, 2026 07:21 PM
1,205 Posts
Joined Sep 2018
Zorba1446
Pro
Jun 22, 2026 07:21 PM
1,205 Posts

Our community has rated this post as helpful. If you agree, why not thank Zorba1446

meh, if going with Klipsch for a sub I'd recommend waiting for the RP sub of your choice to go on sale (RP1000, RP1200, RP1400, or RP1600) from Adorama. These R series Klipsch subs have a long history of premature amp failures. Klipsch is pretty good about honoring their warranty but why take the chance of going through all that hassle?
3
Jun 22, 2026 07:38 PM
12,845 Posts
Joined Jul 2010
supermanrobJun 22, 2026 07:38 PM
12,845 Posts
Might be better off going with the RSL 10e for $300.
Very similar performance with a smaller footprint.
This may be better for a larger environment though.

Can't go wrong with either, both are good entry/budget level subs.

https://rslspeakers.com/products/...1247712534
Jun 22, 2026 09:50 PM
11 Posts
Joined May 2026
AmusedFruit5240Jun 22, 2026 09:50 PM
11 Posts
Still a great piece for the price
Jun 22, 2026 09:57 PM
38 Posts
Joined Sep 2012
josephandrewsJun 22, 2026 09:57 PM
38 Posts
Quote from Zorba1446 :
meh, if going with Klipsch for a sub I'd recommend waiting for the RP sub of your choice to go on sale (RP1000, RP1200, RP1400, or RP1600) from Adorama. These R series Klipsch subs have a long history of premature amp failures. Klipsch is pretty good about honoring their warranty but why take the chance of going through all that hassle?
I am waiting for one of those RPs...
Jun 23, 2026 01:33 AM
62 Posts
Joined Nov 2014
lllSpylllJun 23, 2026 01:33 AM
62 Posts
Quote from Zorba1446 :
meh, if going with Klipsch for a sub I'd recommend waiting for the RP sub of your choice to go on sale (RP1000, RP1200, RP1400, or RP1600) from Adorama. These R series Klipsch subs have a long history of premature amp failures. Klipsch is pretty good about honoring their warranty but why take the chance of going through all that hassle?
thank you!
Pro
Jun 23, 2026 03:12 AM
1,876 Posts
Joined Mar 2010
prankies
Pro
Jun 23, 2026 03:12 AM
1,876 Posts
Notorious for amp issues. Scrounge up another 70-100 bucks for the Reference Premier 10" when it goes on sale (if you have the space for it and don't have/care about neighbors).
Last edited by prankies June 22, 2026 at 08:17 PM.
Jun 23, 2026 05:01 AM
57 Posts
Joined Dec 2006
xbanhxbaoxJun 23, 2026 05:01 AM
57 Posts
Picked this up earlier today, open box - excellent condition for $318. Hooked it up for my parent's karaoke set up and it sounds great. I had to turn down the gain so it didn't shake their house too much. Great find. Thanks OP

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Jun 23, 2026 12:21 PM
7,521 Posts
Joined Sep 2014
CTRL-ALT-DEALSJun 23, 2026 12:21 PM
7,521 Posts
Quote from Zorba1446 :
meh, if going with Klipsch for a sub I'd recommend waiting for the RP sub of your choice to go on sale (RP1000, RP1200, RP1400, or RP1600) from Adorama. These R series Klipsch subs have a long history of premature amp failures. Klipsch is pretty good about honoring their warranty but why take the chance of going through all that hassle?
This +1
Jun 24, 2026 12:56 AM
9,414 Posts
Joined Jul 2005
fourml8rJun 24, 2026 12:56 AM
9,414 Posts
Amp failures are well documented. A better value option is RSL. https://rslspeakers.com/

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