SpeakerDecision
  • SPEAKERS by TYPE
    • Passive Bookshelf Speakers
    • Passive Floor-standing Speakers
    • Passive Center Channel Speakers
    • Passive In-wall Speakers
    • All Passive Speakers
    • Powered Subwoofers
    • Powered Stereo Speakers
  • AMPLIFIERS
  • SMART FIND

GoldenEar Aon 3 vs KEF Q150 Comparison

x
Speaker to replace
Change

GoldenEar Aon 3

Passive Bookshelf | 38-35k Hz

GoldenEar Aon 3
CHECK PRICE
Change
    
KEF Q150

Passive Bookshelf | 51-28k Hz

KEF Q150
CHECK PRICE
GoldenEar Aon 3 GoldenEar Aon 3
See at AMAZON
KEF Q150 KEF Q150
See at AMAZON
GoldenEar Aon 3
See at AMAZON
KEF Q150
See at AMAZON
GoldenEar Aon 3 vs KEF Q150 Speaker Comparison

In this review, we will be comparing Aon 3 Bookshelf Monitor and Q150, two Passive Bookshelf speakers from GoldenEar and KEF.

Let's have a brief look at the main features of GoldenEar Aon 3 and KEF Q150 first before getting into our more detailed comparison.

GoldenEar Aon 3 Key Specs

  • 2-way Design
  • " Folded Ribbon Tweeter
  • 7" Polypropylene Woofer
  • 38-35k Hz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:10-250watts
  • Weight:6.82kg
  • Dimensions (H x W x D): 356.0" x 9" x 11-1/16"( 356.0 x 229.0 x 281.0mm )

KEF Q150 Key Specs

  • 2-way Design
  • 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 )

What size room are the GoldenEar Aon 3 and KEF Q150 speakers good for?

The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:

Listening Environment* GoldenEar Aon 3 KEF Q150
Near-field Poor Average
Small Room Poor Good
Mid-size Room Good Average
Large Room Good Poor
Very Large Room Average Bad

(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2. Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)

In the following sections, we will get into more detail in order to better understand how the GoldenEar Aon 3 and KEF Q150 compare 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 Aon 3 Bookshelf Monitor and Q150 are 2-way speakers.

Driver GoldenEar Aon 3 KEF Q150
Driver Setup 2-way 2-way
Tweeter -inch 1-inch
Midrange - -
Woofer 1 x 7-inch 1 x 5.25-inch

Aon 3 Bookshelf Monitor features a " Folded Ribbon Tweeter and 1 x 7" Polypropylene Woofer . On the other hand, the Q150 features a 1" vented aluminum Dome Tweeter and 1 x 5.25" Aluminum Woofer with a Crossover frequency at 2500Hz.

Frequency Response

Aon 3 Bookshelf Monitor has a frequency range of 38-35k Hz whereas Q150 has a frequency range of 51-28k Hz. With a minimum frequency of 38Hz, the Aon 3 Bookshelf Monitor 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 in the Bookshelf class in our database.

Low Frequency

Bookshelf Speakers

Aon 3 Bookshelf Monitor
Q150
Min
Average
Max
High Frequency

Bookshelf Speakers

GoldenEar Aon 3
KEF Q150
Min
Average
Max

None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.

Impedance and Sensitivity

Aon 3 Bookshelf Monitor and Q150 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. Aon 3 Bookshelf Monitor sensitivity is rated at 90 dB and the Q150's is at 86 dB. This 4 dB difference makes the GoldenEar Aon 3 a more sensitive speaker compared to KEF Q150, hence will play louder with the same amount of watts.

Sensitivity

Bookshelf Speakers

Aon 3 Bookshelf Monitor
Q150
Min
Average
Max

Power Range

Power range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.

Aon 3 Bookshelf Monitor can handle a max power of 250 watts RMS from the amp the whereas Q150 has a max power handling value of 100 watts RMS, 150 watts less than the Aon 3 Bookshelf Monitor.

Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters such as Impedance, sensitivity and system efficiencies.

Input Type and Bi-Amping / Bi-Wiring

Aon 3 Bookshelf Monitor features Post type posts and Q150 has a Post type posts. None of these speakers feature bi-amping/bi-wiring.

GoldenEar Aon 3 Terminals
GoldenEar Aon 3's 5-way post terminals

KEF Q150 Terminals
KEF Q150's Post terminals

Cabinet Type and Port Position

Both Aon 3 Bookshelf Monitor and Q150 have rear firing ports. Rear ported speakers generally need more room between the backside of the speaker and the wall compared to sealed and front/bottom ported speakers. Placing the speakers too close to the walls may cause the bass to sound boomy.

If you are limited in space and can't get the speakers away from the backwall, check our Speakers with Front Firing Ports page.

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 GoldenEar Aon 3's and KEF Q150's external dimensions. GoldenEar Aon 3 has external dimensions of 356.0 x 229.0 x 281.0mm ( 14 x 9 x 11-1/16inch) whereas KEF Q150 has external dimensions of 303.0 x 180.0 x 278.0mm ( 11.9 x 7.0 x 10.9inch) .

GoldenEar Aon 3 is clearly the larger of the two speakers. Its body is 49mm wider, 53mm taller and 3mm deeper than KEF Q150.

Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base surface area of the GoldenEar Aon 3 is approximately 643.5cm2 / 99.7inch2 and base area of the KEF Q150 is approximately 500.4cm2 / 77.6inch2. The Aon 3 Bookshelf Monitor requires 29% more surface area than the Q150 which gives it a small disadvantage on placement in tight spaces.

Weight Comparison

The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The GoldenEar Aon 3 weighs 6.82kg / 15lbs and the KEF Q150 weighs 5.60kg / 12.3lbs. This makes the Aon 3 Bookshelf Monitor 22% heavier than the Q150.

Here is a comparison of how Aon 3 Bookshelf Monitor and Q150's weights compare with the average, max and min weights in Passive Bookshelf class.

Weight
All Bookshelf Speakers
GoldenEar Aon 3
KEF Q150
Min
Average
Max

What's in the Box of GoldenEar Aon 3?

Here are the items that are included inside the box of Aon 3 Bookshelf Monitor:
  • Bookshelf loudspeaker Key-hole hanger 2 Screws Owner's Manual
  • What's in the Box of KEF Q150?

    Here are the items that come with the Q150:
  • 2 Bookshelf loudspeakers
  • 2 Foam port plugs
  • 8 Self-adhesive rubber feet
  • Owner's Manual
  • Warranty Registration Card

  • Reasons to choose GoldenEar Aon 3 over KEF Q150
    Max Input Power 250 watts vs 100 watts Handle more power from your amplifier
    Sensitivity 90 dB vs 86 dB Play louder with same amount of amplification power
    Woofer Size 7 inches vs 5.25 inches Larger woofer
    Low Frequency Response 38 Hz vs 51 Hz Generates deeper bass
    High Frequency Response 35k Hz vs 28k Hz Generates higher frequency
    Mounting Bracket Yes vs No Allows mounting on walls
    Passive Radiator two 8-inch side-mounted vs None Increases the bass performance

    Reasons to choose KEF Q150 over GoldenEar Aon 3

    Height 303mm vs 356mm Easier to fit in smaller spaces
    Base Surface Area 500cm2 vs 643cm2 Takes less floor space
    GoldenEar Aon 3 vs KEF Q150 Specs Table
    Detailed comparison of specifications
    General GoldenEar Aon 3 KEF Q150
    Brand GoldenEar KEF
    Speaker Type Bookshelf speakers Bookshelf speakers
    Power Range 10-250 watts 10-100 watts
    Sensitivity 90 dB 86 dB
    Impedance 8 ohms 8 ohms
    Impedance n/a 3.7 ohms
    Frequency Response 38-35k Hz 51-28k Hz
    Drivers
    Woofer Quantity 1 1
    Woofer Size 7" 5.25"
    Woofer Composition Polypropylene Aluminum
    Woofer Surround Material Rubber Rubber
    Tweeter Size - 1"
    Tweeter Type Folded Ribbon Dome
    Aimable Tweeter No No
    Midrange Driver No No
    Crossover Frequency n/a 2500Hz
    Firing Direction rear rear
    Physical Specs
    Height 356.0mm (14") 303.0mm (11.9")
    Width 229.0mm (9") 180.0mm (7.1")
    Depth 281.0mm (11.1") 278.0mm (10.9")
    Weight 6.82kg (15lbs) 5.60kg (12.3lbs)
    Enclosure Acoustic Suspension Bass Reflex
    Finish MDF/Lacquer MDF/Vinyl-wrapped
    Available Colors Black Black, Walnut, White
    Mounting Bracket Yes No
    Recommended Stand Height 24-26" 18-24"
    Grille n/a Yes
    Moisture Resistancy No No
    Connections
    Biamp Inputs No No
    Other
    Parts Warranty 5 Years 5 Years
    Labor Warranty 5 Years 5 Years

    Most Popular Speakers
    Klipsch Reference R-51M
    Klipsch R-51M
    2-way | 93 dB | 8 ohms
    Wharfedale Elysian 2
    Wharfedale Elysian 2
    3-way | 89 dB | 4 ohms
    ELAC Debut 2.0 B6.2
    ELAC Debut 2.0 B6.2
    2-way | 87 dB | 6 ohms
    Bowers & Wilkins 606 S2 Anniversary Edition
    B&W 606 S2
    2-way | 88 dB | 8 ohms
    KEF Q150
    KEF Q150
    2-way | 86 dB | 8 ohms
    Klipsch Reference Premiere RP-500M
    Klipsch RP-500M
    2-way | 93 dB | 8 ohms
    Wharfedale EVO4.1
    Wharfedale EVO4.1
    2-way | 87 dB | 8 ohms
    Bowers & Wilkins 606
    B&W 606
    2-way | 88 dB | 8 ohms
    Copyright © 2025 by SpeakerDecision
    About Privacy Contact US Camera Decision

    Report a Correction