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![Blightsteel Colossus [Double Masters]](https://cdn.shopify.com/s/files/1/0265/9195/2951/products/be6d6dc3-1a0a-5574-a97b-c80a9073568b.jpg?v=1616358767 "Blightsteel Colossus [Double Masters]")
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Description
Ebike Battery 48V 20Ah Lithium Triangle Battery Pack for 200~2000W MotorSpecification: 48V 20AH with 50A BMS Apply for: 48V 200 1800W Motor Nominal Voltage: 48V Rated Capacity: 20Ah Watt Hours: 960Wh Configuration: 13S8P (104 cells) Battery Cell: Top A grade 18650 2500mah Max Continuous Charge Current: 5A Max Constant Discharge Current: 50A( BMS) Peak Discharge Current: 150A Charge Cut off Voltage : 54. 6V Discharge Cut off Voltage : 36. 4V~39V Battery Dimensions : 364*232*64*343*85mm (14. 33*9. 13*2. 52*13. 5*3. 35inch )
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 737 reviews
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Product Reviews
★★★★★ 5
Awesome speakers.
Size: Pair
Love Klipsh speakers. Beautiful, full, rich, clear sound. Combine with a sub for best sound. Very loud. Love these.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Love it
Size: Pair
These are nice for any audiophile. They look and sound amazing.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Great Sound
Size: Pair
Great things sometimes come in little packages. Powerhouse sound with virtually no input at all. Tight, crisp, and well-made as usual from Klipsch. If you are looking for a powerhouse monitor these are what you want.
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Reviewed in the United States on April 22, 2026
★★★★★ 4
Great starter speakers - for the right price.
Size: Pair
A good all-around pair of starter speakers if you're planning on using them as standalones. These will have zero trouble filling a small to medium sized space with rich and detailed sound at low to mid volumes. The bass is adequate for their size. They're not going to knock your socks off on more thumpy genres. I would imagine pairing them with a subwoofer would make quite the difference but for rock and some synth pop, they're pretty sweet. Plus the copper woofers look very striking without the faceplates.
That said, I say these are best suited at low to mid volumes because cranked, the higher frequencies can be awfully fatiguing coming out of these speakers. I would not pay anywhere close to the $349 MSRP for these (you can probably find a pair of far superior RP-600Ms for around that price nowadays). Around $150 seems like a sweet spot for the R-51Ms, but the Sony SSCS5s and Fluance Signature bookshelfs are very comparable, if not better sounding for around the same price. Still, these will probably more than satisfactory if you're not expecting to be blown away by them.
UPDATE 5/20/25:
Can confirm that the subwoofer made a big difference. I was going to retire these since I replaced them with some bigger floor speakers on my main setup but I decided to try them out in place of the factory speakers on the Klipsch ProMedia 2.1 I have hooked up to my computer. Not only does the onboard amp seem to drive them okay at not-insane levels of volume - they sound really sweet paired with the 6.5-inch subwoofer. While I won't change my rating, I do highly recommend getting a sub along with these speakers.
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Reviewed in the United States on April 11, 2025
★★★★★ 5
Great speakers, rich full sound
Size: Pair
These are really great speakers. I got them to go with my husband's new record player for Christmas. These really sound fantastic. A rich range, with a nice bass that's not too much. They were easy to connect to the player. I like a rich sound better then bright (I think if it's too bright it doesn't have enough bass), and these definitely fit the bill. I got these on a black Friday deal which was even better. They are a good value for the quality.
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Reviewed in the United States on January 9, 2026
