Polk Audio Reserve R100 Bookshelf Speaker Review

4.39 Mixed Usages
4.4 Dialogue & Vocal Accuracy:
4.4 Treble Accuracy:
4.4 Bass Accuracy:
4.4 Imaging & Soundstage:
4.4 Dynamic Range:
Release year: 2021 Rating: 4.8 Warranty: 5 years 1” Pinnacle Ring Radiator tweeter 5.25” Turbine Cone woofer Rear X-Port usage: music stereo speakers desktop speakers home theater

Polk Audio Reserve R100 is a Hi-Res Certified bookshelf speaker. They are best for compact spaces and has impressive soundstage. Place them in desktop table and connect with your PC to watch series or play games. Mids and highs are excellent and doesn’t lack detail. Bass is perfect for its compact size. You can listen to them for long hours without any ear fatigue. Play them for hours to go through break-in so that they can play with full potential. It produces solid sound for its price.

Our Verdict

Polk Audio Reserve R100 is packed with Polk patented technologies and advanced engineering. Although they wont sound as powerful as floorstanding speakers, the sound is still satisfying and well controlled. Make sure you leave enough breathing room behind the speakers from the wall. When we paired them with other speakers to create a home theater, the overall sound was crisp and clear. We used them as surrounds and they were immersive. Movies sound cinematic with impactful effects.

  • Balanced tones
  • Decent bass for small spaces
  • Good separation
  • Well-designed drivers
  • Sturdy built
  • Unique-engineered port
  • Not for large rooms
Where to buy



Speaker Type Bookshelf Speaker
Number Of Channels 2.0 way speaker
Amplification Type Passive Speaker (External Amp)
Power Source AC Powered


Drive Unit 2x2
Tweeter Type Pinnacle Ring Radiator
Tweeter Size (inches) 1
Midrange Size (inches) N/A
Midrange Type N/A
Woofer Size (inches) 5.25
Woofer Type Turbine Cone


Power Range 30 - 150W
Sensitivity 86dB
Impedance 8Ω / 6Ω / 4Ω
Frequency Range 58Hz - 39kHz
Crossover Frequencies 2700Hz


Speaker Level Input N/A
Speaker Wire Input: Yes
Line Level Input N/A
Digital Input (Optical) N/A
Digital Input (Coaxial) N/A
RCA Input N/A
3.5mm Stereo Analog Input N/A
Aux Input N/A
HDMI Input N/A
Bi-amp Input: N/A
USB Port N/A
Subwoofer Output N/A


Bluetooth N/A
Wi-Fi N/A


Connector Type Nickel-plated 5-Way
Compatible Connector Types bare wire, pin-connectors, spade-lugs, and banana-plugs (single only).
Speaker Wire Compatibility 16AWG


Bass Accuracy: Decent bass for small spaces
Dialogue & Vocal Accuracy: clear and intelligible dialogues
Treble Accuracy Impressive highs
Imaging & Soundstage: Good imaging
Dynamic Range: Decent dynamic range
Power Handling: Good power handling
Frequency Response: Broad frequency response
Transient Response: It has smooth transient response.


Enclosure Ported
Finish MDF
Color black, white, brown


Height (inches) 12.8
Width (inches) 6.5
Depth (inches) 10.2
Weight (pounds) 12.2lbs
Recommended Stand Height (inches) 24-28


Handheld Remote N/A
Control by app N/A
Amazon Alexa N/A
Google Assistant N/A


Accessories: 1 pair of Bookshelf loudspeakers, 2 Grilles, Owner's Manual, Online Registration
User manual: Yes
Where to buy

Details Review


Polk R100 is a small and compact speaker. In fact, it is the smallest in the Polk Reserve series. It sits on rubber pads that confirms stability. The design and engineering are similar to that of other Polk models. It is well built that has cross-bracing to minimize internal resonance. On the outside, it has rounded edges in order to produce dispersed sound. In case you have pets or kids at home, use the included clothe grille. You can also remove it if you want as it attaches to the speaker magnetically.


Polk Audio Reserve R100 is a 2-way passive bookshelf speaker that has 1” tweeter and 5.25” woofer. It has smooth and natural mids. The driver materials are similar to that seen in Polk flagship Legend series like Polk L200. The tweeter with waveguide ensures sound is dispersed throughout the room. These speakers can deliver room-filling sound and the quality remains consistent throughout the room.

On the rear side, Polk has X-Port 2.0 that consists of ‘tubular absorbers’. This design is suitable to take in any resonance or vibration that may color the sound. Instrumental sounds like guitar and drums sound accurate and lively. Play the speakers at high volume to enjoy clear and undistorted sound. We don’t expect room shaking or punchier from 5.25” woofer in this small cabinet. We highly recommend a subwoofer for bass heads.

That said, the low ends are clean, deep and not muffled. In compact spaces, you can survive without a subwoofer. When you pair it with other speakers from the Reserve series, you can listen to Atmos and DTS:X compatible contents. In case you want bigger speakers with better sound, check the Polk Reserve R200. They are also suitable for medium sized spaces.

Just like with R200, set the bass management to small for the R100 model. For placing them follow the general rules that includes elevating the speakers at user ear level. In a 2.0 setup, create equilateral triangle with the user and toe-in them.

Connectivity and control:

The connectivity and control options of Polk Audio Reserve R100 depends on the amplifier or AVR you choose.

Use case:

They can handle music genre like rock, metal, etc. It is good for music and movies. While movies wont sound immersive or cinematic with a 2.0 setup, we suggest to go for 3.1 or 5.1 setups for that. It is best for small rooms.

Compatible devices:


Choose one amp/receiver from the following: Sonos Amp, Dayton Audio HTA200 Hybrid tube amp, Cambridge AXR85, Onkyo TX-NR696 receiver, Parasound 2250 v2 amp, Yamaha RX-385, etc. We provided some specific models so that you don’t need to go through the hassle of serching one. You are allowed to select one as per your own preference.

You can pair speakers from the following: Polk floorstanding loudspeakers (R700/R600/R500), bookshelf loudspeakers (R200), center-channel speakers (R400/R300), LCR loudspeaker (R350), and Dolby Atmos height speaker module (R900). Also include a powered Polk subwoofer as per your own preference. Typically, the rules is to choose 6” subwoofers for small, 8” for mid sized and 12” for large rooms.


Polk Audio Reserve R100 is a reasonably priced bookshelf speaker. There are other speakers that are even cheaper like the Polk ES20.



Does Polk Audio Reserve R100 supports bi-amp or bi-wiring?

Polk Reserve R100 doesn’t support Bi-wiring or bi-amping. Even without this connection, the speakers produce clear performance. If you want one with those, check the Polk L200.

Is Polk Audio Reserve R100 worth buying?

If you have space limitation, then Polk R100 is best for you. In case you already have an amp, you won’t need to spend extra for that. We suggest to upgrade it to 2.1 system when you have the budget.

Where to buy


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