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KEF LS50 vs JBL Arena B15 Comparison

Comparison and Difference Between

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Brand and Model Specifications

Information about the brand, model release date.

ModelLS50Arena B15
Release Date20132016
What Hi-Fi? Rating
Amazon Rating

Technical Specs

Technical characteristics of the speakers.

Amplification TypePassivePassive
Crossover Type2-Way2-Way
Enclosure typeBass ReflexBass Reflex
Frequency Range (+/-3 dB)[Hz]79 - 28000100 - 40000
Frequency Range (-6dB)[Hz]47 - 45000-
Maximum SPL [dB]--
Sensitivity (2,83 V/1 m)[dB]8586
Nominal Impedance (Ohms)88
THD (Total Harmonic Distortion)--
Recommended Amplifier Power [W]25-10020-100
Crossover Frequency [Hz]2200-
Bass Reflex Tuning Frequency [Hz]--
Driver Units

Tweeter: Uni-Q driver array with 1″ (25mm) vented aluminum-dome tweeter
Mid/Bass Drivers: 5.25″ (130mm) magnesium/aluminum alloy-cone woofer

Tweeter: 1-inch (25mm) soft dome tweeter
Mid/Bass Drivers: 5.5-inch (140mm) polycellulose woofer

InputsSingle WireSingle Wire
Magnetic ShieldingNoNo

Placements and Distances

Where and how to put them.

Form FactorShelf, StandShelf, Stand
Distance from Wall [cm]1515

Dimensions and Weight

Physical characteristics of the speakers (without stands).

Length~7.9 in
~200.66 mm
~20.07 cm
~8.6 in
~218.44 mm
~21.84 cm
Width~10.9 in
~276.86 mm
~27.69 cm
~16.5 in
~419.1 mm
~41.91 cm
Height~11.9 in
~302.26 mm
~30.23 cm
~18.5 in
~469.9 mm
~46.99 cm
Weight (Single Speaker)~15.8 lb
~7166.76 g
~7.17 kg
~17.42 lb
~7901.58 g
~7.9 kg
Shipping Weight~40.4 lb
~18325.13 g
~18.33 kg
~18.45 lb
~8368.78 g
~8.37 kg

Colors and Accessories

List of available colors and optional accessories.

  • High gloss piano black
  • High gloss piano white
  • Black

Detachable GrillesNoNo

Price and Warranty

Satisfaction is (not) guaranteed.

Warranty5 Years1 Year
Amazon Price


Small print and stuff...

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