- Bore size: 5.5mm, for earphones nozzle diameter from 6-7mm.
- Specially designed for wider and long earphone nozzle.
- The umbrella and the inner tube are lengthened which is perfect for long and wider earphone nozzles.
- In terms of sound performance, CP155 gives heavy bass, stable mids, and clearer treble.
- CP155 and CP500 both are designed for wider earphone nozzles. The difference is that CP500 has a special groove to keep the ear tip on better. On the other hand, CP155 doesn’t have the groove but has a longer tube, which is perfect for long and wide earphone nozzles.
