Sound Delivery System 4.0


Sound Delivery System 4.0 (SDS 4.0)  is the new acoustic coupling portfolio. Designed to support the Marvel hearing aids, SDS 4.0 offers robust, reliable and comfortable acoustic coupling components.

SDS 4.0 Fit and Go Kit

SDS 4.0 has a new Fit and Go box. Filled with all the SDS 4.0 components you need to fit Phonak Marvel hearing aids.


Included in the Kit:

  • Receivers in all power levels and sizes
  • Domes in all sizes
  • Retention in all sizes
  • CeruShield™ Disk
  • Additional tools

SDS 4.0 items



Newly designed receiver with robust housing and cable connection for every day reliability. New M receiver offers hearing performance close to a P receiver, in a size close to a S receiver. Receiver spout designed for «One-Click» connection with new SDS 4.0 domes.

Order Now



New additional Cap dome for narrow canals. Balloon shaped Vented dome offering an acoustic coupling between open and power domes. Open and power dome re-designed for better retention and comfort


Order Now

CeruShield™ Disk


-New Phonak exclusive wax protection system
-Compatible with all SDS 4.0 receivers


Order Now



-New design
-Snap-on to receiver housing for stable positioning
-Available 3 sizes S, M and P


Order Now

Receiver handling tool


-Mounting to accomodate S, M and P receivers
-To assist with inserting receiver into SlimTip


Order Now