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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
Donaldson Filtration P207321 STACK PIPE, CURVED 5 IN (127 MM) ID X 48 IN (1219 MM) CHROMEAttributes Length 48. 00 inch (1219. 2 mm) Inlet Diameter 5. 02 inch (127. 51 mm) Material Chrome Connection ID Style Curved Price Type E Packaged Dimensions Packaged Length 48. 75 inch (123. 825 cm) Packaged Width 6. 50 inch (16. 510 cm) Packaged Height 7. 50 inch (19. 050 cm) Packaged Weight 14. 56 lb (6. 610 kg) Packaged Volume 1. 38 ft3 (0. 039 m3) Pieces Per Pallet 10 Other Information Country of Origin United States NMFC Code 125850 01 HTS Code
Attributes
Length 48.00 inch (1219.2 mm)
Inlet Diameter 5.02 inch (127.51 mm)
Material Chrome
Connection ID
Style Curved
Price Type E
Packaged Dimensions
Packaged Length 48.75 inch (123.825 cm)
Packaged Width 6.50 inch (16.510 cm)
Packaged Height 7.50 inch (19.050 cm)
Packaged Weight 14.56 lb (6.610 kg)
Packaged Volume 1.38 ft3 (0.039 m3)
Pieces Per Pallet 10
Other Information
Country of Origin United States
NMFC Code 125850-01
HTS Code 8708925000
UPC Code 742330030172
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1049 reviews
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Product Reviews
★★★★★ 5
Great little speakers
Size: 5.25” Woofer, Size: 5.25” Woofer
These make great surround speakers, and they just sound good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
Good Speakers - Good Reputation - Good Purchase
Size: 5.25” Woofer
Good sounding, high quality speakers. These are Klipsch...enough said.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Klipsch R50 M next generation
Size: 5.25” Woofer
In spite of small size sound is very nice iam using it with a subwoofer and with my yamaha A4A AV receiver i like it iam hearing mostly heavy metal and the speakers have a nice punch and attack
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Reviewed in the United States on February 18, 2026
★★★★★ 4
compact surrounds that blend well with the right setup
Size: 4” Woofer
I picked up the Klipsch R‑40M as part of a full 5.1 system built around the R‑50M fronts and the R‑50C center. My original plan was to use another pair of R‑50M speakers in the back, but they simply didn’t fit in the rear cabinet space I have. The R‑40M ended up being the only model that fit comfortably, so they became my surround channels.
In terms of build quality, they feel solid and consistent with the rest of the Reference Next‑Gen line. The copper woofers and updated horn design give them the same visual identity as the larger models, which helps the whole system look cohesive. They’re compact enough to place in tighter spaces without compromising too much on performance.
Sonically, the R‑40M does a respectable job as a surround speaker. Effects are clear, directional cues are easy to follow, and they integrate smoothly with the more powerful R‑50M fronts. That said, they are noticeably less powerful than the R‑50M, so you need to spend a little time balancing your levels. Once I bumped their channel trim a bit and adjusted the distance settings, the rear soundstage locked in nicely and felt much more even.
They won’t deliver the same fullness or dynamic punch as the larger models, but for rear channels that’s usually not a deal breaker. What matters is clarity and consistency, and the R‑40M handles both well. Movies with active surround mixes feel immersive, and ambient effects wrap around the room without calling attention to the speakers themselves.
If you’re building a system where space is limited in the back, the R‑40M is a practical and capable choice. Just be prepared to fine tune your calibration so they match the output of the bigger speakers up front. Once dialed in, they round out a 5.1 setup very effectively.
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Great Bang for the Buck!
Size: 5.25” Woofer
These R50 Studio Monitors are worth every penny. One could easily spend a heck of a lot more to get less. Have been a pro audio engineer my entire life. These monitors kick out clean, solid bass and accurate highs. Klipsch did a excellent job designing these monitors. Perfect for smail spaces where fidelity is critical. If you wall mount these, make sure you leave at least a 1.5 inch air gap between the back of the monitor and the wall. These units are sweet.
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Reviewed in the United States on July 22, 2025
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