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
  1. Home
  2. Acoustic-Energy Speakers
  3. Passive Floor-standing Speakers
Acoustic Energy AE120 MII Review
Acoustic Energy AE120 Mark II

Main Features

  • 1" dome with waveguide Tweeter
  • 5.2" paper cone Midrange
  • 2 x 5.2" paper cone Woofer
  • 39Hz - 26kHz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 6ohms
  • Power Range: up to 200watts
  • Weight:41.80 lbs / 19.00 kg
  • Dimensions(HxWxD): 37.4"x6.5"x9.8" / 950.0 x 165.0 x 250.0mm
CHECK PRICE

Compare To

x
Add a Speaker for comparison
AE120 Mark II Review
AE120 Mark II AE120 Mark II
See at AMAZON

Acoustic Energy AE120 Mark II is a 3-way Passive Bass Reflex Floor-standing speaker by Acoustic Energy. It features a 1" dome with waveguide Tweeter, 1 x 5.2" Midrange and 2 x 5.2" paper cone Woofer. The speaker has a frequency range of 39Hz - 26kHz and a sensitivity of 90 dB. AE120 Mark II has an MSRP of 1499$ per pair.

Room Size Suitability

The size of the room where you plan to use the AE120 Mark II is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:

Listening Environment* Suitability
Near-fieldBad
Small RoomPoor
Mid-size RoomGood
Large RoomGood
Very Large RoomPoor

(* 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.)

Acoustic Energy's AE100 Series of Loudspeakers

AE120 MII is a member of Acoustic Energy's AE100 series of Passive speakers. Below you can see the main specs of these speakers.

Acoustic Energy AE100 Series Speakers
Model Frequency SensitivityImpedance Woofer
AE109 Mark II
Compare
41-26k Hz 89 dB6Ω 1 x 5.2"
AE100 Mark II
Compare
51-26k Hz 87 dB6Ω 1 x 5.2"
AE120 Mark II
39-26k Hz 90 dB6Ω 2 x 5.2"
AE107 Mark II
Compare
55-26k Hz 90 dB6Ω 2 x 5.2"
Acoustic Energy AE100 Series Speakers
Acoustic Energy AE100 Series Speakers


**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.

Frequency Response of the AE120 Mark II Speaker

AE120 Mark II has a Frequency response range of 39Hz - 26kHz at ±3dB and Power Range of up to 200 watts. With a minimum frequency of 39 Hz, AE120 MII delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.

To focus on the subwoofers that are in a similar price range with AE120 Mark II, check out the Powered Subwoofers under $1500. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how AE120 MII's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Floor-standing Speakers
AE120 Mark II
Min
Average
Max
High Frequency
Floor-standing Speakers
AE120 Mark II
Min
Average
Max

Among the speakers in our database with a max MSRP price of 1500$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the AE120 Mark II's 39Hz:

  • KLH Concord with Low Frequency of 28 Hz (Compare w/ AE120 MII)
  • SVS Prime Tower with Low Frequency of 30 Hz (Compare w/ AE120 MII)
  • Klipsch RP-280F with Low Frequency of 32 Hz (Compare w/ AE120 MII)
  • Jamo C 97 II with Low Frequency of 32 Hz (Compare w/ AE120 MII)
  • Monitor Audio Bronze 500 with Low Frequency of 32 Hz (Compare w/ AE120 MII)

Crossover frequency of the AE120 Mark II?

AE120 MII is a 3-way speaker and its crossover frequency between the woofer and the midrange set to 300Hz and the Crossover frequency between the midrange and the tweeter is set to 2700Hz.

Impedance and Sensitivity

AE120 Mark II's nominal impedance level is 6 ohms and has a sensitivity of 90 dB.

Sensitivity
Floor-standing Speakers
AE120 Mark II
Min
Average
Max

Nominal Impedance of the 6 Ohms makes the Acoustic Energy AE120 Mark II a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.

Sensitivity

90dB of the Acoustic Energy AE120 Mark II is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.

Check the amplifiers that are in a similar price range to the AE120 Mark II:

  • Integrated Amps under 1000 USD
  • Integrated Amps under 1500 USD
  • Integrated Amps under 2000 USD
  • All Integrated Amplifiers

Input Type

AE120 MII features type connectors. Bi-amping and Bi-wiring are not possible.

AE120 Mark II External Dimensions and Weight

AE120 Mark II has external dimensions of (Height x Width x Depth) 37.4 x 6.5 x 9.8inch (950.0 x 165.0 x 250.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of AE120 Mark II is approximately 412.5cm2 / 63.9inch2.

Weight

The AE120 Mark II weighs 19.00kg / 41.8lbs per piece. Here is a comparison of how AE120 MII's weight compares with the average, max and min weights in its class.

Weight
All Floor-standing Speakers
AE120 Mark II
Min
Average
Max
Weight
Floor-standing Speakers under $1500
AE120 Mark II
Min
Average
Max

Cabinet type and Materials

AE120 Mark II has a Bass Reflex type cabinet and a HDF finish. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.

Port Position

AE120 Mark II is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.

Available colors

AE120 Mark II is available in Walnut and Satin Black.

Does the AE120 Mark II come with a Grille?

AE120 MII comes with magnetic grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible. Since the included grille of the AE120 MII is magnetic type, it is very easy to put it on and off.

AE120 Mark II  with Grille
AE120 Mark II with Grille

Recommended Accessories

Here is a list of accessories that we think you may need for the Acoustic Energy AE120 Mark II.

  • Speaker Cable and Connectors
    • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
    • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
    • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
  • Vibration Isolators: IsoAcoustics isolators more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

User's Manual

For more information about how to setup, use and maintain the Acoustic Energy AE120 Mark II, use the direct link below to download the official manual document:
Download User Manual for AE120 Mark II

Official Brochure

Here is a link to download the official brochure for the Acoustic Energy AE120 Mark II speaker:
Official Brochure for AE120 Mark II

Official Product Page

Official manufacturer's product page for the Acoustic Energy AE120 Mark II speaker can be found below:
Official Product Page for AE120 Mark II

Acoustic Energy AE120 Mark II Alternatives in Passive Floor-standing Speakers
Model Type Sensitivity Impedance Frequency
AE109 Mark II
Compare
3-way 89 dB 6 ohms 41Hz - 26kHz
AE100 Mark II
Compare
2-way 87 dB 6 ohms 51Hz - 26kHz
AE107 Mark II
Compare
2-way 90 dB 6 ohms 55Hz - 26kHz
Triangle Borea BR07
Compare
3-way 91 dB 8 ohms 44 - 22k Hz
Wharfedale EVO4.4
Compare
3-way 89 dB 8 ohms 44-22k Hz
Klipsch R-625FA
Compare
2-way 96 dB 8 ohms 38-21k Hz
B&W 603
Compare
3-way 88.5 dB 8 ohms 48-28k Hz
Klipsch R-620F
Compare
2-way 96 dB 8 ohms 38-21k Hz
Frequently Asked Questions about Acoustic Energy AE120 Mark II
What is the External Dimensions of Acoustic Energy AE120 Mark II
What is the Speaker Sensitivity of Acoustic Energy AE120 Mark II
is the Acoustic Energy AE120 Mark II an easy to drive speaker?

AE120 Mark II Detailed Specifications

General
BrandAcoustic Energy
Full Model NameAcoustic Energy AE120 Mark II
Speaker Type3-way Floor-standing
Power Rangeup to 200 watts
Sensitivity90 dB
Impedance6 ohms
Max SPL116 dB
Frequency Response39Hz - 26kHz
DRIVERS
Woofer Size5.2-inch
Woofer Compositionpaper cone
Tweeter Size1-inch
Tweeter Typedome with waveguide
Midrange Size5.2-inch
Crossover freq300Hz and 2.7kHz
Port Positionrear

CONNECTIONS
Port Positionrear
PHYSICAL SPECS
Height950.0mm ( 37.4-inch)
Width165.0mm ( 6.5-inch)
Depth250.0mm ( 9.8-inch)
Height950.0mm ( 37.4-inch)
Weight19.00kg ( 41.80 lbs)
EnclosureBass Reflex
FinishHDF
Available ColorsWalnut, Satin Black
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty
Labor Warranty
LATEST BLOG POSTS

Klipsch La Scala AL6 and Klipschorn AK7 Speakers are Unveiled
New Audiolab 6000A MkII with upgraded DAC and new HDMI ARC connection
Q Acoustics 3000c Series Loudspeakers added to the database
WiiM VibeLink Amp: A Game-Changer for Budget Hi-Fi in 2025
KEF Meta and Reference Meta Floorstanding Speaker Size and Specs Comparison
Triangle Borea Bookshelf and Floorstanding Speaker Size and Specs Comparison


Latest Passive Floor-standing Speakers
Klipsch Heritage La Scala AL6
Klipsch La Scala AL6
3-way Floor-standing | 103 dB | 8 ohms
Klipsch Heritage Klipschorn AK7
Klipsch Klipschorn AK7
3-way Floor-standing | 103 dB | 8 ohms
Q Acoustics 3050c
Q Acoustics 3050c
2-way Floor-standing | 90 dB | 6 ohms
Q Acoustics 3050i
Q Acoustics 3050i
2-way Floor-standing | 91 dB | 6 ohms
Triangle Borea BR10
Triangle Borea BR10
3-way Floor-standing | 92 dB | 8 ohms
ELAC Debut 3.0 DF63
ELAC Debut 3.0 DF63
3-way Floor-standing | 87.5 dB | 4 ohms
ELAC Debut 3.0 DF53
ELAC Debut 3.0 DF53
3-way Floor-standing | 87.5 dB | 4 ohms
Monitor Audio Gold 500 6G
Monitor Audio Gold 500 6G
3-way Floor-standing | 88.5 dB | 4 ohms
Monitor Audio Gold 300 6G
Monitor Audio Gold 300 6G
3-way Floor-standing | 87 dB | 4 ohms
JBL Stage 280F
JBL Stage 280F
3-way Floor-standing | 91 dB | 6 ohms


Copyright © 2025 by SpeakerDecision
About Privacy Contact US Camera Decision
Compare List

    Add a speaker to the List