Phonak's newest in-ear offering in the Audéo line of products is the PFE232. These in-ears feature a dual driver setup and a lot of customization options. Phonak continues using their unique filter system that allows you to control the frequency response of the in-ears easily and with surprising precision. The PFE232s is a true two way design with two drivers per earpiece hooked up to a two way cross-over.
In a world filled with three and four way universal in-ears it seems slightly odd to find a set of über high-end in-ears with just two drivers, however, there are quite a few advantages to this more minimalistic approach.
For one it is easier to phase align two drivers, and the complexity of the cross-over is also reduced significantly, both of these things theoretically help the sound quality. A side effect of this simpler approach is that the earphones' internals take up much less space; this allows the earphone's shell size to be very small. The Phonak Audéo PFE232s are approximately half the volume of its similarly priced competitor the recently reviewed Westone 4Rs.
- Driver: Dual balanced armature
- Frequency response: 5 Hz–17 kHz
- Sensitivity: Gray filter 109 dBSPL/mW, Black filter 107 dBSPL/mW, Green filter 104 dBSPL/mW @ 1k Hz
- Nominal impedance: 47 ohm
- Weight: 16 g, 0.5oz
- Plug: 3.5 mm 4 pole jack
- Cable length: 120 cm, 3.9 ft