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  1. Home
  2. Monitor Audio Speakers
  3. Passive Center Channel Speakers
  4. Monitor Audio Apex A40
Monitor Audio Apex A40 Review
Monitor Audio Apex A40 - Front View

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Main Features

  • 1" gold dome C-CAM Tweeter
  • 2 x 5.5" C-CAM with RST® (Rigid Surface Technology) Woofer
  • 50-35k Hz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: 50-200 watts
  • Weight: 15.20 lbs / 6.91 kg
  • Dimensions(HxWxD): 5-1/2"x24"x4-3/4" / 140.0 x 610.0 x 121.0mm
MSRP: $1,125 (list price)
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Monitor Audio Apex A40 Review
Monitor Audio Apex A40 Monitor Audio Apex A...
Check price atAmazon›

Made by Monitor Audio · United Kingdom · since 1972 · sold through dealers

Monitor Audio Apex A40 is a 2-way Passive Bass Reflex Center Channel speaker by Monitor Audio. It was released in 2011. Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television. It features a 1" gold dome C-CAM Tweeter and 2 x 5.5" C-CAM with RST® (Rigid Surface Technology) Woofer. The speaker has a frequency range of 50-35k Hz and a sensitivity of 90 dB. Monitor Audio Apex A40 has an MSRP of 1125$.

Room Size Suitability

The size of the room where you plan to use the Monitor Audio Apex A40 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-fieldPoor
Small RoomAverage
Mid-size RoomGood
Large RoomAverage
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.)

Monitor Audio's Apex Series of Loudspeakers

Apex A40 is a member of Monitor Audio's Apex series of Passive speakers. The Apex range are Monitor Audio's premium compact speakers for high-end surround systems. Below you can see the main specs of these speakers.

Monitor Audio Apex Series Speakers
Model Frequency SensitivityImpedance Woofer
Monitor Audio Apex A40
50-35k Hz 90 dB8Ω 2 x 5.5"
Monitor Audio Apex A10
Compare
60-35k Hz 87 dB8Ω 1 x 5.5"

Frequency Response of the Monitor Audio Apex A40 Speaker

Monitor Audio Apex A40 has a Frequency response range of 50-35k Hz and Power Range of 50-200 watts.

Here we have a comparison of how Apex A40's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Center Channel Speakers
Monitor Audio Apex A40
Min
Average
Median

Impedance and Sensitivity

Monitor Audio Apex A40's nominal impedance level is 8 ohms and has a sensitivity of 90 dB.

Sensitivity
Center Channel Speakers
Monitor Audio Apex A40
Min
Average
Median

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Monitor Audio Apex A40 is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

90dB of the Monitor Audio Apex A40 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Monitor Audio Apex A40 plays in your room →

What amplifier does the Monitor Audio Apex A40 need?

At normal listening levels in a medium room, about 7.5–120 W per channel into 8 ohms. Set your own conditions and we will rank every amplifier we cover.

We check power, impedance safety and current delivery - not just watts.

Prefer to browse? Integrated amplifiers under $1,500, or every amplifier we cover.

Input Type

Apex A40 features 5-Way post type connectors.

Work out what gauge speaker cable this run needs →

Monitor Audio Apex A40 External Dimensions and Weight

Monitor Audio Apex A40 has external dimensions of (Height x Width x Depth) 5-1/2 x 24 x 4-3/4inch (140.0 x 610.0 x 121.0mm ).

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 Monitor Audio Apex A40 is approximately 738.1cm2 / 114.4inch2.

Find speakers that fit your shelf or alcove →

Weight

The Monitor Audio Apex A40 weighs 6.91kg / 15.2lbs per piece. Here is a comparison of how Apex A40's weight compares with the average, max and min weights in its class.

Weight
All Center Channel Speakers
Monitor Audio Apex A40
Min
Average
Median
Weight
Center Channel Speakers under $1500
Monitor Audio Apex A40
Min
Average
Max

Cabinet type and Materials

Monitor Audio Apex A40 has a Bass Reflex type cabinet. 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.

Available colors

Monitor Audio Apex A40 is available in Gloss White.

Does the Monitor Audio Apex A40 come with a Grille?

Apex A40 comes with 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.

Monitor Audio Apex A40  with Grille
Monitor Audio Apex A40 with Grille

What's in the Box of Monitor Audio Apex A40?

Here are the items that are included inside the box of Apex A40:
  • LCR loudspeaker
  • Grille
  • Bracket (pre-installed)
  • 4 Self-adhesive rubber feet
  • 2 Rubber inserts
  • Hex-key
  • Set Up Guide
  • Important Safety Instructions
  • Important Information
  • Mounting Template

Recommended Accessories

Here is a list of accessories that we think you may need for the Monitor Audio Apex A40.

  • 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 are our favorite isolators but you may find 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.

Warranty

5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

Monitor Audio Apex A40 Alternatives in Passive Center Channel Speakers
Model Type Sensitivity Impedance Frequency
Monitor Audio Silver C250 7G
Compare
3-way 88.5 dB 8 ohms 65-35k Hz
KEF R2c
Compare
3-way 87 dB 8 ohms 74-28k Hz
Polk ES35
Compare
2-way 89 dB 8 ohms 66-40k Hz
Klipsch R-34C
Compare
2-way 96 dB 8 ohms 82-21k Hz
SVS Ultra Center
Compare
3-way 87 dB 8 ohms 45-32k Hz
Sony SS-CS8
Compare
2-way 86 dB 6 ohms 55-25k Hz
Klipsch RP-504C II
Compare
2-way 96 dB 8 ohms 50-25k Hz
Polk R400
Compare
2-way 89 dB 8 ohms 48-39K Hz
Frequently Asked Questions about Monitor Audio Apex A40

What amplifier do you need for the Monitor Audio Apex A40?

Monitor Audio rates the Monitor Audio Apex A40 for 50-200 watts of amplifier power. It is an 8-ohm speaker, the usual nominal load, so almost any amplifier or receiver can drive it.

Is the Monitor Audio Apex A40 easy to drive?

The Monitor Audio Apex A40 has a sensitivity of 90 dB. That is high: it goes loud on modest power, so it suits low-powered amplifiers, including valve/tube designs.

Does the Monitor Audio Apex A40 need a subwoofer?

The Monitor Audio Apex A40 reaches down to 50Hz (full range 50-35k Hz). That covers most music, though a subwoofer still adds the bottom octave for home theatre.

What drivers does the Monitor Audio Apex A40 use?

The Monitor Audio Apex A40 is a 2-way design using a 1" gold dome C-CAM tweeter and 2 x 5.5" C-CAM with RST® (Rigid Surface Technology) woofers.

Is the Monitor Audio Apex A40 sealed or ported?

The Monitor Audio Apex A40 uses a Ported enclosure. A ported design uses a tuned vent to get more low-end output from the same driver, but it wants some breathing room behind it.

Can the Monitor Audio Apex A40 be wall mounted?

The Monitor Audio Apex A40 does not include a wall-mount bracket or keyhole, so it is designed to sit on a stand, shelf or the floor.

Does the Monitor Audio Apex A40 come with grilles?

Yes. The Monitor Audio Apex A40 comes with removable grilles.

How big and heavy is the Monitor Audio Apex A40?

The Monitor Audio Apex A40 weighs 6.91kg / 15.2lbs each and measures 5-1/2 x 24 x 4-3/4inch (HxWxD).

How much does the Monitor Audio Apex A40 cost?

The Monitor Audio Apex A40 has a manufacturer's list price (MSRP) of $1,125 per pair.


Monitor Audio Apex A40 Detailed Specifications

General
BrandMonitor Audio
Full Model NameMonitor Audio Apex A40
Speaker Type2-way Center Channel
Power Range50-200 watts
Sensitivity90 dB
Impedance8 ohms
Frequency Response50-35k Hz
Release Date2011
DRIVERS
Woofer Size5.5-inch
Woofer CompositionC-CAM with RST® (Rigid Surface Technology)
Tweeter Size1-inch
Tweeter Typegold dome C-CAM

CONNECTIONS
Connector Type5-Way post
PHYSICAL SPECS
Height140.0mm ( 5-1/2-inch)
Width610.0mm ( 24-inch)
Depth121.0mm ( 4-3/4-inch)
Height140.0mm ( 5-1/2-inch)
Weight6.91 kg (15.2 lbs)
EnclosureBass Reflex
Available ColorsGloss White
Mounting BracketNo
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
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