Compare Sennheiser PXC 550-II vs Sennheiser CX 150BT
Connectivity
Ports
Micro-USB
USB-C
Wireless Connectivity
Bluetooth 5
Bluetooth 5.0
Construction
Drivers
Dynamic, 32mm
Form Factor
In-ear wireless headphones
Headphone Type
Dynamic headphones
Dynamic headphones
Material
Biocompatible Silicone Earpads
Microphone
MEMS
MEMS
Dimensions
Size | Depth
63 mm
Size | Height
174 mm
Size | Width
136 mm
Weight
227 g
13 g
Function
Bluetooth Codecs
SBC, aptX, aptX Low Latency, AAC
SBC, AAC, AptX, AptX Low Latency
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Microphone Pickup Pattern
Omnidirectional
Performance
Battery Life
20 h (ANC + A2DP) / 30 h (ANC + wired)
10 h
Frequency Response
17Hz - 23kHz
17Hz - 20kHz (- 10 dB)
Impedance
Active: 490 ohms / Passive: 46 ohms
28 ohms
Max Sound Level
110 dB (1 kHz/0 dB FS)
Microphone Frequency Response
50Hz - 10kHz
Sensitivity
110 dBSPL
Total Harmonic Distortion
0.5% (1 kHz, 100 dB SPL)
Production
Debut
2019 IFA
2020 CES
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