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KEF Q550 vs Naim Ovator S-400

Comparison and Difference Between

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Brand and Model Specifications

Information about the brand, model release date.

Manufacturer KEF Naim
Model Q550 Ovator S-400
Release Date 2017 2013
HifiSpecs Rating
Amazon Rating

Technical Specs

Technical characteristics of the speakers.

Amplification Type Passive Passive
Crossover Type 2½-way 2-Way
Enclosure type Bass Reflex Bass Reflex
Frequency Range (+/-3 dB)[Hz] 58 - 28000 36 - 35000
Frequency Range (-6dB)[Hz] - -
Maximum SPL [dB] - -
Sensitivity (2,83 V/1 m)[dB] 87 88
Nominal Impedance (Ohms) 8 4
THD (Total Harmonic Distortion) - -
Recommended Amplifier Power [W] 15-130 25-130
Crossover Frequency [Hz] 2500 -
Bass Reflex Tuning Frequency [Hz] - -
Driver Units

Tweeter: 130mm (5.25in.) aluminum Uni-Q
25mm (1in.) vented aluminum dome HF
Mid/Bass Drivers: 130mm (5.25in.) aluminum LF
2x 130mm (5.25in.) aluminum ABR

Tweeter:  Unknown
Mid/Bass Drivers: 165 mm Woofer

Connectivity Wired Wired
Inputs Single Wire Single Wire
Outputs - -
Magnetic Shielding No No

Placements and Distances

Where and how to put them.

Form Factor Floor Floor
Distance from Wall [cm] 15 15

Dimensions and Weight

Physical characteristics of the speakers (without stands).

Length ~7.08 in
~179.83 mm
~17.98 cm
~12.99 in
~329.95 mm
~32.99 cm
Width ~10.94 in
~277.88 mm
~27.79 cm
~13.58 in
~344.93 mm
~34.49 cm
Height ~34.37 in
~873 mm
~87.3 cm
~41.73 in
~1059.94 mm
~105.99 cm
Weight (Single Speaker) ~32 lb
~14514.96 g
~14.51 kg
~68.34 lb
~30998.5 g
~31 kg
Shipping Weight ~41.2 lb
~18688.01 g
~18.69 kg
~82.67 lb
~37498.48 g
~37.5 kg

Colors and Accessories

List of available colors and optional accessories.

  • Satin white
  • Satin black
  • Walnut
  • Rosewood
  • Cherry
  • Black Zebrano

Detachable Grilles Yes No

Price and Warranty

Satisfaction is (not) guaranteed.

Warranty 5 Years 2 Years
Amazon Price

Review Comparison

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

Available Reviews -


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