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  4. ATC SCM20ASL
ATC SCM20ASL Review
ATC SCM20ASL - Front View

Compare To

Main Features

  • 55-25k Hz Frequency Response
  • Integrated Amplifier
  • Weight: 59.52 lbs / 27.00 kg
  • Dimensions(HxWxD): 17.72"x9.84"x16.73" / 450.0 x 250.0 x 425.0mm
MSRP: $10,999 (list price)
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ATC SCM20ASL Review
ATC SCM20ASL ATC SCM20ASL
Check price atAmazon›

Made by ATC · United Kingdom · since 1974 · sold through dealers

ATC SCM20ASL is a 2-way Powered Sealed Bookshelf speaker by ATC. It was released in 2018. The built-in power amplifier saves space & eliminates the need to connect ATC SCM20ASL to a stereo receiver or external power amp. It features a Tweeter and 1 x " Woofer. ATC lists the drivers as 1 x 150mm/6”, SB75-150SL 8Ω; 1 x 25mm/1”, SH25-76S 6Ω. The speaker has a frequency range of 55-25k Hz. ATC SCM20ASL has an MSRP of 10999$ per pair.

Frequency Response of the ATC SCM20ASL Speaker

ATC SCM20ASL has a Frequency response range of 55-25k Hz. With a minimum frequency of 55 Hz, SCM20ASL delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.

Here we have a comparison of how SCM20ASL's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
ATC SCM20ASL
Min
Average
Median
Thinking about a subwoofer for the ATC SCM20ASL?
  • Every powered subwoofer we cover, whatever the budget

Crossover frequency of the ATC SCM20ASL?

The crossover frequency of the SCM20ASL is set to 2.2kHz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.

ATC SCM20ASL driver frequency bands55-2.2kWoofer2.2k-25kTweeter20501002005001k2k5k10k20k40kHz, log scale

Inputs and Outputs

  • USB Port:
  • Subwoofer Output
  • Digital Input:
  • HDMI Input:
  • Headphone Jack:
  • Ethernet Port

ATC SCM20ASL External Dimensions and Weight

ATC SCM20ASL has external dimensions of (Height x Width x Depth) 17.72 x 9.84 x 16.73inch (450.0 x 250.0 x 425.0mm ).

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 ATC SCM20ASL is approximately 1062.5cm2 / 164.7inch2.

Find speakers that fit your shelf or alcove →  ·  Work out where they should sit in the room →

Weight

The ATC SCM20ASL weighs 27.00kg / 59.4lbs per piece. Here is a comparison of how SCM20ASL's weight compares with the average, max and min weights in its class.

Weight
All Bookshelf Speakers
ATC SCM20ASL
Min
Average
Median
Weight
Bookshelf Speakers under $20000
ATC SCM20ASL
Min
Average
Max

Cabinet type and Materials

ATC SCM20ASL has a Sealed type cabinet.

Wall Mounting

SCM20ASL doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.

Does the ATC SCM20ASL come with a Grille?

SCM20ASL 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.

Recommended Accessories

Here is a list of accessories that we think you may need for the ATC SCM20ASL.

  • 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.
  • Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.

Official Product Page

Official manufacturer's product page for the ATC SCM20ASL speaker can be found below:
Official Product Page for ATC SCM20ASL

Frequently Asked Questions about ATC SCM20ASL

Does the ATC SCM20ASL need a subwoofer?

The ATC SCM20ASL reaches down to 55Hz (full range 55-25k Hz). That covers most music, though a subwoofer still adds the bottom octave for home theatre.

Is the ATC SCM20ASL sealed or ported?

The ATC SCM20ASL uses a Sealed enclosure. A sealed box trades some output for tighter, more even bass and is the more forgiving choice close to a wall.

Does the ATC SCM20ASL come with grilles?

Yes. The ATC SCM20ASL comes with removable grilles.

How big and heavy is the ATC SCM20ASL?

The ATC SCM20ASL weighs 27.00kg / 59.4lbs each and measures 17.72 x 9.84 x 16.73inch (HxWxD).

How much does the ATC SCM20ASL cost?

The ATC SCM20ASL has a manufacturer's list price (MSRP) of $10,999 per pair.


ATC SCM20ASL Detailed Specifications

General
BrandATC
Full Model NameATC SCM20ASL
Speaker Type2-way Bookshelf
Max SPL108 dB
Frequency Response55-25k Hz
Release Date2018
Amplifier Specs
DAC Specs
DRIVERS
Woofer Size-inch
Woofer Composition
Crossover freq2.2kHz
DIGITAL ECOSYSTEM
Amplifier OutputBass 200W (8Ω), H.F. 50W (8Ω)

CONNECTIONS
Connector Type1 x Rear Panel Mounted Female XLR, pin 2 hot
PHYSICAL SPECS
Height450.0mm ( 17.72-inch)
Width250.0mm ( 9.84-inch)
Depth425.0mm ( 16.73-inch)
Height450.0mm ( 17.72-inch)
Weight27 kg (59.5 lbs)
EnclosureSealed
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty
Labor Warranty
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