|Speaker type||Dynamic, 32 mm|
|Frequency range||Speaker: 17 – 23,000 Hz (-10db)|
|Ear coupling||Around-ear headphone|
|Impedance||Active: 490 ohm / Passive: 46 ohm|
|Sensitivity||110 dbSPL (passive : 1 kHz/1V RMS)|
|THD + N, total harmonic distortion and noise||<0,5% @ 100 dBSPL / 1kHz|
|Frequency response (Microphone)||50 – 10,000 Hz|
|Microphone sensitivity||-34 dBV/Pa|
|Pick-up pattern||3 mic beamforming|
|Bluetooth||Bluetooth 5.0 compliant|
|Transmission frequency||2400 MHz – 2483.5 MHz / GFSK, Pi/4DQPSK, 8DQPSK|
|Supported operating systems||A2DP, AVRCP, HSP, HFP|
|Codecs||SBC, aptX™, aptX™ Low Latency, AAC|
|Power supply||5.0 V DC, 330 mA|
|Battery Specification||Built-in Lithium rechargeable battery|
|Charging time||3 hrs|
|Battery time||20 hrs (ANC + A2DP) 30 hrs (ANC + wired)|
|App support||Sennheiser Smart Control APP for iOS™ and Android™|
|Operating temperature||0°C – 55°C temp. / 10% - 80% humidity, non condensing|
|Dimensions||Unfolded: 63 x 136 x 174 mm (L x W x H)|
Sennheiser pxc550II here, refurbished. Overall very good condition, just a little bit worn earpad.
Too bad their replacement parts store doesn't work, I can't buy new earpads...
Extremely comfortable, very good Bluetooth connectivity and excellent noise cancelling. What is really outstanding, however, is the sound quality. These compare very well with other high end products like Bang & Olufsen H9is (which I also own). The sound quality is very good in wireless mode but does improve when cable connected. I would be curious to try these with a portable dac to reach audiophile levels of quality.
Great headphones, super comfy (even while wearing glasses), good noise cancelling and Sennheiser sounds quality.
Highly recommend buying refurbished items from certified stores. Not only are you saving money, but you’re also saving the planet. The headphones feel snug to my ears. Noise cancellation is superb. Doesn’t give me headaches after wearing it for more than an hour. 10/10 would recommend!
Great audio and slick touch controls.
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