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Klipsch R-120SW Subwoofer vs Klipsch R-51PM Powered Bluetooth

Comparison and Difference Between

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Brand and Model Specifications

Information about the brand, model release date.

Manufacturer Klipsch Klipsch
Model R-120SW R-51PM
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Release Date 2018 2019
HifiSpecs Rating
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Technical Specs

Technical characteristics of the speakers.

Amplification Type Active Active
Crossover Type None (Low-Pass Crossover) 2-Way
Enclosure type Bass Reflex Bass Reflex
Frequency Range (+/-3 dB)[Hz] 29 - 120 68 - 21000
Frequency Range (-6dB)[Hz] 29 - 120 68 - 21000
Maximum SPL [dB] 116 107
Sensitivity (2,83 V/1 m)[dB] Not Applicable 107
Nominal Impedance (Ohms) Not Applicable 8
THD (Total Harmonic Distortion) Not Specified Less than 0.1%
Recommended Amplifier Power [W] 300 Not required (powered speakers)
Crossover Frequency [Hz] 160 1800
Bass Reflex Tuning Frequency [Hz] Not Specified Unknown
Driver Units

Woofer: 12″ Copper Spun IMG

Tweeter: 1″ Aluminum LTS tweeter with Tractrix Horn
Mid/Bass Drivers: 5.25″ Spun-Copper IMG Woofer
Connectivity Wired Wireless
Inputs Line Level/LFE RCA Bluetooth, RCA, USB, Optical, 3.5mm
Outputs Not Applicable RCA Sub Out
Magnetic Shielding No No

Placements and Distances

Where and how to put them.

Form Factor Floor Shelf, Stand
Distance from Wall [cm] 15 15

Dimensions and Weight

Physical characteristics of the speakers (without stands).

Length ~19.2 in
~487.68 mm
~48.77 cm		 ~11.5 in
~292.1 mm
~29.21 cm
Width ~14 in
~355.6 mm
~35.56 cm		 ~7 in
~177.8 mm
~17.78 cm
Height ~16.5 in
~419.1 mm
~41.91 cm		 ~13.3 in
~337.82 mm
~33.78 cm
Weight (Single Speaker) ~31 lb
~14061.36 g
~14.06 kg		 ~10.6 lb
~4808.08 g
~4.81 kg
Shipping Weight ~31 lbs (14.06 kg) lb
~14061.36 g
~14.06 kg		 ~24 lb
~10886.22 g
~10.89 kg

Colors and Accessories

List of available colors and optional accessories.

Colors
  • Black
  • Black
Accessories
  • Manual
  • Remote Control
  • Power Cord
  • Speaker Wire
  • Manual
Detachable Grilles Yes Yes

Price and Warranty

Satisfaction is (not) guaranteed.

Warranty 5 Years 2 Years
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Review Comparison

Hifispecs' professional customer-reviews can help make up your mind.

Available Reviews
Klipsch R-120SW Subwoofer Review
Klipsch R-51PM Powered Bluetooth Review

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