M SERIES
General
| Driver (Headphone) | 40mm |
| Frequency Response | 20Hz~20kHz |
| Sensitivity | 101.5dB±4dB (IEC-318 at 1KHz) |
| Impedance | 32±15% Ohm |
| Maximum Input Power | 30mW |
| Noise Attenuation | -20dB |
| Cable lengtd | 1.3m |
| Connector | 3.5/3.5mm |
| Weight | 175g |
| Unit measurement | Piece |
| Document Download | M400 Product Information Sheet Quick Start Guide KEF Headphones Warranty Information |
PORSCHE DESIGN
General
| Model | MOTION ONE Bluetooth Earphones |
| Type | Bluetooth In-ear earphones |
| Driver (Headphone) | 8.6mm neodymium driver |
| Frequency Response | 20-20kHz |
| Bluetooth Version | Bluetooth v4.1 witd aptX codec |
| Sensitivity | 95 dB±4dB (IEC-318 at 1KHz) |
| Impedance | 16±15%Ohm |
| Battery type | 140mAh |
| Usage time | Up to 10 hours (BT) |
| Weight | 45g |
| Unit measurement | Piece |
| Document Download | Quick Start Guide |