Klipsch RP-400M vs R-51M which is a better choice?

Are you looking for a new pair of speakers? Or maybe something to upgrade your existing ones? If so, you probably already know that there are tons of options out there. The problem is, choosing the right speaker for your needs can be a challenge.

A good pair of speakers can bring home the party or provide background music at parties and other events. In addition, they can enhance the sound quality of your mobile phone, television, tablet, and computer. Some people prefer using portable speakers that are smaller and usually less expensive, instead of fixed loudspeakers because they don’t have to worry about positioning them in specific locations.

The first thing you need to do when purchasing a pair of speakers is to decide what type of audio equipment you want to use them with. You can choose between bookshelf speakers, floor-standing speakers, center channel speakers, and satellite speakers. Each one has its own advantages and disadvantages.

If you’re planning to buy a pair of speakers, then you may find it difficult to determine which model is suitable for you. This is due to the fact that not all models are made equal. There are many factors that you must take into consideration before making a purchase. For example, you should consider whether you want to spend more money or save money.

You should also think about how much space you have available for your speakers. If you plan to place your speakers in a small room, then you will have to make sure that they won’t block any windows or doors. It’s important to remember that if you want to enjoy high-quality sound, then you’ll need to invest in a decent set of speakers.

To get the best performance from your speakers, you should consider some important things such as size, price, wattage, and features. In this article, we’ll discuss these key points for you. We will also help you make an informed decision by providing you with helpful information on the comparison between Klipsch RP-400 M and R-51M.

The Klipsch RP-400M Speaker

The Klipsch RP-400M is a two-way speaker system that comes equipped with an excellent subwoofer. The main advantage of the Klipsch RP 400M is that it provides a great bass response. In addition, it offers excellent sound clarity and volume levels, perfect for a home theater setup. However, it doesn’t come that cheap.

This speaker is designed to deliver powerful bass and clear mid-range tones. It has a built-in amplifier that delivers pristine and crisp sounds. The Klipsch RP-400M is powered by a 4 x 10W amplifier. It has a frequency range of 52 Hz – 25 kHz. With a sensitivity of 93 dB at 2.83V for 1m.

The Klipsch RP-400M has a peak power output of 200 watts, while the constant is 50 watts. Its dimensions are 11.7 inches in height,  5.6 inches in width, and 7.5 inches in depth while weighing only at around 9 pounds. The speaker is powered by a 2 x 15W amp which is great and it’s a 2018 model making it a relatively good choice and not so old. 

The Klipsch RP-400M speaker has a nominal impedance rating of 8 ohms. It has a minimum SPL of 90dB at 1 meter. It has a maximum SPL of 140 dB at 1 meter. As far as connectivity goes, it uses a 3.5mm stereo aux connector. The speaker has four pre-set modes. These include Music, Movie, Home Theater, and Games. 

Horn Loading: Maximizing efficiency and increasing detail while focusing high frequencies towards the ear canal. Proprietary Tractor® geometry provides the most efficient transfer of high frequencies into the listening area. The phase plug and compressed molded silicon ear tips ensure smooth frequency response, and when combined, the cleanest and most natural sound possible is achieved.

The exclusive Linear Travel suspension reduces distortion and enhances tonal accuracy to deliver superior detail and soundstage definition. The new ventilated tweeters eliminate standing waves that create unwanted frequencies and enhance detail and clarity in high frequencies. These amazing speakers cost starting at $550, and they can go up a few hundred more depending on the options you choose. 


  • It has Good Bass Response
  • Also has Clear Mid Range Tones
  • It has the Linear Travel Suspension LTS technology
  • Features Durable, Adjustable, Removable Grills
  • Great MDF material it’s used on its build


  • It’s the more expensive choice of these two options

Check price on Amazon


The Klipsch R-51M Speaker

The Klipsch R-51M is a compact portable speaker system that comes equipped with a subwoofer. It has a built-in amplifier that delivers clean and crispy sounds. The Klipsch R-51M is powered by a single channel amplifier that delivers a maximum power output of 250 watts. The main difference over the other options on this article for me it’s going to be the design and style. This speaker it’s way more stylish and well made, it’s definitively going to spark up your setup. 

It has a frequency response of 65 Hz – 22 kHz. It has a maximum acoustic output of 97 dB at a 0.5m distance. It has a dimension of 5 inches in height, 6 inches in width, and lastly 2.6 inches in depth. It weighs only around 2.2 pounds. The Klipsch-51M is powered with a 1 x 15W amp. Its frequency response is 50Hz – 25kHz.

The Klip sh R-51M has three pre-set modes that will have optimized settings for specific use. They include Music, Movies, and Sports. It has a battery time of up to 8 hours using Rechargeable Lithium 7.4V 2 cells 2200mAh. The rechargeable lithium batteries make it a great choice of power source since you don’t have to waste money buying new pair of batteries each time they run out.  They also come with an AC power adaptor and a micro USB charging cable.

Incorporating high-quality components such as real wood vinyles and tactile switches, the Klipsch R-51 M speaker wireless series combines the acoustic legacy of Paul W.Klipsch with the newest technologies available today. It would be an understatement to say that the Heritage Groove speaker brings a big sound wherever life takes us. It leverages 70 years of experience in audio technology to create a powerful, versatile, and easy-to-use wireless speaker.

If you want to take a call while doing something that’s going to require you to use your hand then don’t worry, this speaker has you covered. The built-in microphone is one of the best features and it’s going to be extremely useful, especially when taking business calls or anything related to it.

This speaker offers lifelike, dynamic sounds from quiet to loud, no matter your volume setting. The device has Bluetooth wireless technology so you can listen to music online, stream video from Netflix, and store content on your device. This speaker it’s going to cost you only around $170 and it’s a fairly un-expensive option.


  • It has a Compact Size
  • Offers Clean & Crisp Sound
  • It comes at an affordable price
  • It’s lightweight.
  • It has a built-in microphone.


  • Not a great bass

Check price on Amazon


The Verdict

If you want a good quality speaker that can provide you with amazing sound quality then the Klipsch RP-400M would be a good option. This speaker is perfect for home use and it will elevate your home theater experience. You don’t have to worry about its cost because from what you are getting in return it’s going to be worth it.

However, if you’re looking for something more portable then the Klipsch R-51M would be your best bet. It’s small enough to fit into any room without taking up too much space and it’s stylish enough that it will blend well with everything. If you’re looking for a speaker that will give you great sound quality but won’t break the bank then this speaker might be what you need.

Make sure you’ve read both speakers’ features carefully and that you understand what each of them has to offer. Before making a choice you should have already figured out what your needs are in the first place. If those needs align correctly with what the speaker has to offer then you already know the answer to this question. 

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