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Description
Eibach Springs Coil Spring (1300.500.0450)Your performance car built in the United States, Germany, or Asia was designed to provide good handling with a comfortable ride. Manufacturers fit softer springs as a compromise to please the majority of their customers who commute every day over potholes, not the driver that wants to wring the maximum out of their vehicle's built in responsiveness. For those that do want crisper, sharper handling Eibach offers the Pro Kit Lowering Kit. It drops your
Your performance car built in the United States, Germany, or Asia was designed to provide good handling with a comfortable ride.Manufacturers fit softer springs as a compromise to please the majority of their customers who commute every day over potholes, not the driver that wants to wring the maximum out of their vehicle's built-in responsiveness.For those that do want crisper, sharper handling Eibach offers the Pro-Kit Lowering Kit.It drops your ride height and boosts handling from good to great without the punishing ride that comes from kits offered by competitors.Your vehicle was built with a sophisticated suspension, so don't compromise it with a kit that causes your car to ride rough.Riding rough is for amateurs.
Dropping the ride height lowers your vehicle's center of gravity - reducing body roll and any tendencies to lean over.Then, the progressive rate of these Eibach front springs goes to work.Unlike original equipment and some low-height springs on the market, these feature a spring rate that varies as needs demand.The top of the coil is softer for more give under everyday operation when things are not pushed hard.But just as the vehicle starts to lean when more demanding conditions arise, a stiffer and stiffer rate kicks in as the springs compress.The result is less body roll for more stable handling, faster cornering speeds, and reduced nose dive that can shorten your stopping distance.All with an uncompromised, premium ride. Founded in 1949 in Germany by Heinrich Eibach, Eibach has grown from a small workshop-based manufacturer into a global leader and manufacturer of springs and related products.You'll find Eibach springs as the chosen brand in a wide variety of industries and automotive applications.From miniscule springs for incredibly small pressure valves to large industrial tension coils, Eibach's growth and success has always been attributed to a company spirit that drives them to be the best.Eibach automotive springs have been instrumental in vehicles achieving victories in NASCAR, Formula 1, ARCA, GT3, FIA World Rallye, and V8 Supercar championship racing series among others and have been used as original equipment by AMG and other respected vehicle tuners since the 1970s.Today, Eibach also has world headquarters for North America in California where they manufacture all products sold on these shores.Features:
- Each Spring Individually Tested and Rated
- Lowest Side Loads with Load Center Ideally Located Relative to the Spring Axis
- Maximum Travel in Combination with Smallest Block Heights
- Precision Tolerances - The Tightest in the Industry
- Ultra Lightweight for Reduced Unsprung Mass
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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]
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4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great value speakers for a beginner audiophile
Size: 4” Woofer
Fantastic sound quality to my ears, got these used “mint” for 179 and that was a steal, they were never even opened. They feel solid and well made, they’re heavy for the size which makes them feel of a higher quality. Very happy with my purchase
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Great little speakers
Size: 5.25” Woofer, Size: 5.25” Woofer
These make great surround speakers, and they just sound good
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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