A truly powerful, small Form-Factor music Monster packed with Klipsch acoustics with integrated power and Bluetooth wireless technology. With an integrated phono pre-amp, Bluetooth wireless technology, digital optical, analog RCA and USB inputs, your R-51PM is the best performing, most versatile monitor on the planet. As the human ear perceives frequencies differently with variations in output, The R-51PM will dynamically match the ear's ability to hear lower frequencies. Typically, only available with audio/video receivers, dynamic volume is a first for Klipsch powered monitors. What you get is powerful bass whether the listening Volume is low, cranked up or somewhere in between. Forget the expense, clutter and hassle of an external a/V receiver. The R-51PM monitors incorporate individual ultra-low noise amplifiers custom designed to maximize system performance and eliminate the need for external amplification. Allows easy access to system Features like dedicated source selection, track controls, and play/pause. Add a subwoofer to enhance for even more bass.

Wirecutter

These versatile, good-sounding speakers offer the widest variety of connection options, including a phono input for a record player.

TechGearLab

The Klipsch R-51PM Bluetooth wowed us with its incredible sound quality, making it an excellent choice for your bookshelf speaker needs. These speakers put out a well-rounded sound, with low-end bass coming through without compromising the clarity of upper-range frequencies. This versatile model offers several input options, including Bluetooth connectivity, which are easy to switch between. It's simple to use, includes a remote control, and has a sleek, minimalist style that complements most aesthetics. 
One minor drawback in this model is the lack of manual bass and treble equalizer adjustments. The sound quality is so remarkable that our testers did not feel the need for this, but some users may want this feature. Also, the Klipsch R-51PM Bluetooth is quite pricy, but as they boast near studio-quality sound, they may be worth the price for the right user.

The Klipsch R-51PM Bluetooth wowed us with its incredible sound quality, making it an excellent choice for your bookshelf speaker needs. These speakers put out a well-rounded sound, with low-end bass coming through without compromising the clarity of upper-range frequencies. This versatile model offers several input options, including Bluetooth connectivity, which are easy to switch between. It's simple to use, includes a remote control, and has a sleek, minimalist style that complements most aesthetics. 
One minor drawback of this model is the lack of manual bass and treble equalizer adjustments. Though we felt the sound quality was so remarkable that we didn't even miss that feature, we know some users may want it. Also, the Klipsch R-51PM Bluetooth is quite pricy, but as they boast near studio-quality sound, they may be worth the price for the right user.

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The AM3 is a compact home music system that connects to virtually any device, wired or wirelessly, and delivers bold stereo sound for everything you enjoy, from vinyl to music streaming. Constructed with premium components and designed with decades of award-winning acoustics, the AM3 powered speakers deliver full-range sound with zero distortion thanks to their 4” midbass drivers and ¾” aluminium ferrofluid-cooled tweeters for crystal-clear highs. With a built-in phono preamp you can connect a turntable without extra components or gear, while still being able to stream music from any app or device with high-definition Bluetooth

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The Alpha AM5 is a powered two-speaker stereo system that will revolutionize your traditional home audio experience. Featuring trickle-down acoustic technology from PSB’s most iconic speaker designs, the AM5 powered speaker includes a custom designed driver set with a ¾” aluminium ferrofluid-cooled tweeter and a 5 ¼” midbass woofer that together deliver a rich and detailed full-range sound. You can listen to favourites on vinyl with a built-in phono preamp, or stream music and playlists via Bluetooth in true high-definition with Qualcomm aptX HD. It’s PSB legendary sound, for everything you listen to and enjoy

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