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Monitor Audio Bronze 100 vs KEF Q150
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Monitor Audio Bronze 100

Passive Bookshelf | 37-30k Hz

Monitor Audio Bronze 100
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KEF Q150

Passive Bookshelf | 51-28k Hz

KEF Q150
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Monitor Audio Bronze 100 vs KEF Q150 Speaker Comparison

In this review, we will be comparing Bronze 100 and Q150, two Passive Bookshelf speakers from Monitor and KEF. Let's have a brief look at the main features of Monitor Audio Bronze 100 and KEF Q150 first before getting into our more detailed comparison.

Monitor Audio Bronze 100 Key Specs

  • 1" Hard-Dome Tweeter
  • 6.5" C-CAM Woofer
  • 37-30k Hz Frequency Response
  • 87 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:30-100watts
  • Weight:7.80kg
  • Dimensions (H x W x D): 376.0" x 9.0" x 12.7"( 376.0 x 231.0 x 325.0mm )

KEF Q150 Key Specs

  • 11th Generation Uni-Q Driver
  • 1" Dome Tweeter
  • 5.25" Aluminum Woofer
  • 51-28k Hz Frequency Response
  • 86 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:10-100watts
  • Weight:5.60kg
  • Dimensions (H x W x D): 303.0" x 7.0" x 10.9"( 303.0 x 180.0 x 278.0mm )

In the following sections, we will get into details in order to better understand how Monitor Audio Bronze 100 and KEF Q150 compares and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Drivers

Both Bronze 100 and Q150 are 2-way speakers. Bronze 100 features a 1" Hard-Dome Tweeter and 1 x 6.5" C-CAM Woofer with a Crossover frequency at 2200Hz. On the other hand, Q150 features a 1" vented aluminum Dome Tweeter and 1 x 5.25" Aluminum Woofer with a Crossover frequency at 2500Hz.

Frequency Response

Bronze 100 has a frequency range of 37-30k Hz whereas Q150 has a frequency range of 51-28k Hz. With a minimum frequency of 37Hz, the Bronze 100 can go significantly deeper on the low side and provide stronger bass compared to the Q150's min frequency of 51Hz.

Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers under Bookshelf class in our database.

Low Frequency

Bookshelf Speakers

Monitor Audio Bronze 100
KEF Q150
Min
Average
Max
High Frequency

Bookshelf Speakers

Monitor Audio Bronze 100
KEF Q150
Min
Average
Max

Impedance and Sensitivity

Bronze 100 and Q150 has the same Impedance of 8 ohms but where they differ is the sensitivity levels. Bronze 100 sensitivity is rated at 87 dB and Q150's is at 86 dB. This 1 dB difference makes Monitor Audio Bronze 100 a more sensitive speaker compared to KEF Q150, hence will play louder with the same amount of watts.

Sensitivity

Bookshelf Speakers

Monitor Audio Bronze 100
KEF Q150
Min
Average
Max

Power Range

Bronze 100 has a power range of 30-100 watts RMS whereas Q150 has a power range of 10-100 watts.

Input Type and Bi-Amping / Bi-Wiring

Bronze 100 features Post posts which makes bi-amping or bi-wiring possible. Q150 has a Post which doesn't feature bi-amping/bi-wiring.

KEF Q150 Terminals
KEF Q150's Post terminals

Cabinet Type and Port Position

Both Bronze 100 and Q150 have rear firing ports. Rear ported speakers generlly need more room between the backside of the speaker and the wall compared to sealed and front/bottom ported speakers. Placing too close to the walls may cause the bass to sound boomy.

KEF Q150  Port
KEF Q150 Port

Physical Specs

Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, We are going to compare Monitor Audio Bronze 100's and KEF Q150's external dimensions. Monitor Audio Bronze 100 has external dimensions of 376.0 x 231.0 x 325.0mm ( 14.8 x 9.0 x 12.7inch) whereas KEF Q150 has external dimensions of 303.0 x 180.0 x 278.0mm ( 11.9 x 7.0 x 10.9inch) .

Monitor Audio Bronze 100 is clearly the larger of the two speakers. Its body is 51mm wider, 73mm taller and 47mm deeper than KEF Q150.

Below you can see the front view size comparison of Monitor Audio Bronze 100 and KEF Q150 in scale.

Monitor Audio Bronze 100 vs KEF Q150 Size Comparison - Front View
Comparison image of Monitor Audio Bronze 100 and KEF Q150 Size and External Dimensions

Here is an another comparison that shows both speakers on a BDI Octave Media Cabinet, next to a standard size amplifier and turntable in scale:

Monitor Audio Bronze 100 vs KEF Q150 Size Comparison on a Media Console
Size Comparison image of Monitor Audio Bronze 100 and KEF Q150 on a Media Console


Reasons to choose Monitor Audio Bronze 100 over KEF Q150
Sensitivity 87 dB vs 86 dB Play louder with same amount of amplification power
Minimum Impedance 4.5 ohms vs 3.7 ohms Very low impedance levels puts more pressure on amplifier
Woofer Size 6.5 inches vs 5.25 inches Larger woofer
Low Frequency Response 37 Hz vs 51 Hz Generates deeper bass
High Frequency Response 30k Hz vs 28k Hz Generates higher frequency
Bi-Amping and Bi-Wiring Yes vs No Allows bi-amping and bi-wiring connections
Reasons to choose KEF Q150 over Monitor Audio Bronze 100
Height 303mm vs 376mm Easier to fit in smaller spaces
Width 180mm vs 231mm Easier to fit in smaller spaces
Depth 278mm vs 325mm Easier to fit in smaller spaces
Price per pair* 600USD vs 675USD costs less (*prices may change depending on the seller, location and time)

Monitor Audio Bronze 100 vs KEF Q150 Specs Table
Detailed comparison of specifications
General Monitor Audio Bronze 100 KEF Q150
Brand Monitor KEF
Speaker Type Bookshelf speakers Bookshelf speakers
Power Range 30-100 watts 10-100 watts
Sensitivity 87 dB 86 dB
Impedance 8 ohms 8 ohms
Impedance 4.5 ohms 3.7 ohms
Frequency Response 37-30k Hz 51-28k Hz
Drivers
Woofer Quantity 1 1
Woofer Size 6.5" 5.25"
Woofer Composition C-CAM Aluminum
Woofer Surround Material Rubber Rubber
Tweeter Size 1" 1"
Tweeter Type Hard-Dome Dome
Aimable Tweeter No No
Midrange Driver No No
Crossover Frequency 2200Hz 2500Hz
Firing Direction rear rear
Physical Specs
Height 376.0mm (14.8") 303.0mm (11.9")
Width 231.0mm (9.1") 180.0mm (7.1")
Depth 325.0mm (12.8") 278.0mm (10.9")
Weight 7.80kg (17.2lbs) 5.60kg (12.3lbs)
Enclosure Bass Reflex Bass Reflex
Finish MDF/Wood-grain vinyl MDF/Vinyl-wrapped
Available Colors Walnut, Black, White, Urban Grey Black, Walnut, White
Mounting Bracket No No
Recommended Stand Height 22-26" 18-24"
Grille magnetic magnetic
Moisture Resistancy No No
Connections
Biamp Inputs Yes No
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years


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