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ACS Custom USA, LLC 

New York (Head Office)      Los Angeles

@ SIR Studios                   1616 Vista Del Mar Ave.
520 W 25th Street            Hollywood, CA 
New York, NY                  90028

646 559 5642       




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If we have your ear impressions already, all you need to do is place your order.  If you do not have impressions, place your order and we'll help you locate your nearest audiologist.



ACS Encore Studio Custom and Pro Bundle

Whether you are a touring musician, DJ or a home listener then our ACS Encore with the 5 drivers, 3 way crossover, soft comfortable moulds, discreet and reliable cable system is the perfect IEM for you.
Sales price: $1,314.00

Pro Filter Type


The world’s greatest soft silicone in-ear monitor just got even better
The ACS Encore has 5 drivers and a 3 way crossover. Each driver or pair of drivers has been configured using the crossover circuitry to handle the frequency ranges they are best suited to. There is a large dedicated bass driver which handles the sub frequencies and upper bass, the crossover for the ACS Encore gives you plenty of deep punchy bass without any hint of distortion or bloated sound. The pair of mid-range drivers handles the low –high midrange frequencies, working together to present vocals and acoustic in a way that really brings your music to life. The pair of tweeter drivers take care of the high frequency range, by sharing the load across two drivers there is more headroom for the hard to reproduce high frequencies. The pair delivers crystal clear highs and adds to the sound to give a wider soundstage.

You are only a few simple steps away from owning a custom-made product...

Please note, if you're placing an order with ACS USA for the first time you will need to supply ear impressions. Once you've placed your order, please call our office and we'll help locate your nearest audiologist. If you're in New York or Los Angeles you can take advantage of our free ear impression service at ACS offices. If you're outside of New York or Los Angeles don't panic, we'll make sure we find you a great audiologist nearby (expect to pay between $30-$70 for ear impressions).

If you've had a custom product from us within the last 4 years, we'll have your ears on file. If you want us to use those impressions, just reply to the confirmation/invoice email after your purchase has been completed and let us know.


The PRO filter series has been designed anew with the wearer in mind. For starters, it’s smaller than many competing filters, meaning that it can fit into smaller ears without any protrusion – which is great for both comfort and aesthetics. The filters are also user-swappable so you can chop and change as your environment demands to any other filter in the PRO range, giving you complete control over your protection with just a single set of earmoulds. In addition, the PRO series are water resistant so they can be used outside or in high moisture environments and can withstand perspiration without it damaging the filter membrane.