Transmission frequency | 2.402 to 2.480 MHz |
Wireless technology | Bluetooth LE Audio |
Bluetooth version | Bluetooth 5.2 compliant, class 1 |
Modulation | GFSK |
Signal-to-noise ratio | typ. 85 dB(A) at 1 Vrms |
RF Output power | 10 mW (max.) |
Range | up to 60 m (free line of sight) |
Number of headphones that can be simultaneously connected to the transmitter | no limitation |
Temperature range | operation: 0 °C to +40 °C storage: -20 °C to +60 °C |
Relative humidity | operation: 10 to 80 %, non condensing storage: 10 to 90 % |
Type | on-ear |
Transducer principle | open, dynamic |
Frequency response | 22 Hz to 19.5 kHz |
Max. SPL | max. 106 dB at 1 kHz, 1 Vrms |
THD | < 0.7 % at 1 kHz, 100 dB SPL |
Operating time | up to 18 hours |
Charging time of rechargeable batteries | up to 8.5 hours |
Power supply | 2 NiMH rechargeable batteries, input: 5 V , max. 44 mA |
Magnetic field strength | ear cups: 7 mT headband: > 90 mT |
Weight (incl. batteries) | approx. 340 g |
Dimensions (W x H x D) | approx. 197 mm x 212 mm x 80 mm |
Audio connections | stereo RCA plugs |
Power supply | 9 V , 300 mA |
Power consumption | operation: typ. 4 W standby: ≤ 0.3 W (without charging) |
Dimensions (W x H x D) | approx. 85 mm x 221 mm x 134 mm |
Nominal input voltage/current | 100–240 V~/100 mA |
Power frequency | 50–60 Hz |
Nominal output voltage | 9 V |
Nominal output current | 300 mA |
Temperature range | operation: 0 °C to +40 °C storage: –40 °C to +85 °C |
Relative humidity | operation: 0 to 90 %, non condensing storage: 0 to 90 % |