Phonak Sky B-M BTE Accessories & Compatibility Guide | Japebo
Looking for the right Phonak Sky B-M BTE accessories? This guide helps you confirm compatibility and choose the correct parts so your hearing aid stays comfortable, secure, and reliable. The Sky B-M is a behind-the-ear (BTE) model, which means fit and compatibility usually depend on whether you use an earmould or an open fitting (thin tube), and on the exact connector size your setup uses.
What this page covers (and who it’s for)
This page is for anyone using a Phonak Sky B-M BTE who needs replacement or spare parts—typically earhooks, tubing, cleaning items, or retention accessories. If you’re unsure what you currently wear, you can still use the checks below to identify your setup before you buy.
Understanding Sky B-M BTE fittings: earmould vs thin-tube
Most Phonak Sky B-M BTE users will have one of these two configurations:
Earmould fitting: The hearing aid connects to a custom earmould via an earhook and a length of tubing. This is common for children and for users who need a secure, stable fit.
Thin-tube / open fitting: Some BTE configurations use a slimmer tube that ends in a small tip in the ear canal (more “open” feeling). This setup depends on the exact tube system used.
If you’re not sure which you have, look at the part that leaves the hearing aid: a curved plastic hook + thicker clear tube usually means an earmould setup. A slim, more flexible tube usually indicates a thin-tube style fitting.
Which accessories are typically compatible with Phonak Sky B-M BTE?
The Sky B-M BTE commonly uses these accessory types (depending on your fitting):
Earhooks (BTE hooks)
The earhook is the plastic hook that routes sound into the tube. If it’s cracked, loose, discoloured, or won’t lock firmly, replacing it can restore stability and reduce feedback. Compatibility depends on the exact hook type used on your Sky B-M shell variant.
Tubing (for earmould fittings)
Tubes connect the earhook to your earmould. Over time they harden, shrink, or get blocked by moisture and debris—often causing weaker sound or whistling. To choose correctly, match:
Inner/outer diameter (tube size)
Tube stiffness (standard vs more rigid options)
Length (you can trim to fit, but start close to your current length)
Ear tips / thin-tube parts (if you use an open fitting)
If your Sky B-M is configured with a thin-tube type fitting, the consumables may include small ear tips and tube-specific parts. These vary a lot between systems, so the safest approach is to match the name/marking on your current tube or compare your current part visually before ordering.
Cleaning & care items
Regular care helps prevent downtime and improves sound quality. Useful items for Sky B-M BTE users include:
Cleaning wipes or spray for the hearing aid exterior (never use water directly)
Tube cleaners / wire tools for earmould tubing (if applicable)
Drying solutions to reduce moisture-related issues
How to choose the correct Phonak Sky B-M BTE accessory
Use these quick checks to reduce the risk of ordering the wrong part:
Identify your fitting: earmould + tube, or thin-tube/open fitting.
Check your current part: many earhooks/tubes have a known shape or size; compare photos and dimensions.
Look for wear symptoms: whistling, weak sound, intermittent audio, discomfort, or loose fit often indicates the accessory—not the hearing aid—is the problem.
If in doubt, match what you already have: ordering the same type/size as your current setup is the most reliable path.
Common problems (and the accessory fix)
Whistling / feedback
Often caused by a poor seal (earmould no longer fits well), hardened tubing, or a loose earhook. Try replacing tubing/earhook first if they’re old or damaged.
Sound is weaker or muffled
Commonly due to blocked tubing, moisture, or debris in the sound path. Cleaning and replacing tubing can make a noticeable difference.
Fit feels unstable
A cracked earhook, worn tube, or poorly seated earmould can reduce stability. Replacing the worn part usually restores a secure fit.
Buying Phonak Sky B-M BTE accessories online
When you buy accessories for your Phonak Sky B-M BTE, prioritize exact compatibility over “universal” descriptions. If you can, compare the shape of the earhook and any tube size details to your current parts before ordering. If your child uses Sky B-M, keeping a spare tube/earhook set at home can help avoid interruptions.
FAQ: Phonak Sky B-M BTE accessories
Does Phonak Sky B-M BTE use domes?
Sky B-M is a BTE model and is commonly used with an earmould and tubing. Some BTE fittings can use thin-tube style tips, but it depends on your specific configuration. If you currently have a custom mould, you typically won’t use domes.
How often should I replace the tube?
Replace when it hardens, discolours, shrinks, or causes feedback/weak sound. Many users benefit from changing tubing regularly, especially with heavy daily use or moisture exposure.
How do I know if I need a new earhook?
If the hook feels loose, shows cracks, has changed colour, or no longer holds the tube securely, it’s a good candidate for replacement.
I’m not sure what fits my Sky B-M—what should I check?
Check whether you use an earmould (thicker tube + earhook) or a thin-tube style fitting (slimmer tube). Then match the current part’s shape and size details when selecting replacements.