SENNHEISER HD-250-BT Ακουστικά με Μικρόφωνο Bluetooth

Γενικά χαρακτηριστικά :
 

• High-quality sound with dynamic bass – inspired by DJs
• Superior audio with AAC, aptX™ codec support and aptX™ Low Latency
• 25-hours of battery life
• Smart Control App with equalizer function
• Advanced wireless Bluetooth 5.0 technology with seamless connectivity
• Built-in microphone for phone calls
• 2-year warranty

Tεχνικά χαρακτηριστικά :
 

• Wearing style Bluetooth® on-ear
• Ear coupling Supra-aural
• Transducer principle dynamic, closed-back
• Transducer 32 mm
• Frequency response 20 Hz to 22,000 Hz (-10 dB)
• Sound pressure level (SPL) 110 dB (1 kHz/0 dBFS)
• THD (1 kHz, 100 dB SPL) < 0.3 % (1 kHz, 100 dB SPL)
• Microphone principle Electret Condenser
• Microphone frequency response 100 Hz to 10,000 Hz
• Microphone pick-up pattern (speech audio) omni-directional microphone , Single mic
• Power supply built-in rechargeable lithium-polymer battery: 3.7  V ?, 190 mAh ,  USB charging: 5 V ?, 100 mA max.
• Charging time of rechargeable battery up to 3 hrs
• Operating time 25 hrs (music playback via SBC) with headphones’ ,rechargeable battery
• Temperature range operation: 0°C to +40°C
• charging: +10°C to +40°C
• storage: –20°C to +60 °C
• Relative humidity operation: 10 to 80%, non-condensing
• storage: 10 to 90%
• Weight (headphones) approx. 125 g
• App support Sennheiser Smart Control App for iOS™ and Android™

Bluetooth

• Version Bluetooth 5.0 compatible, class 1, BLE
• Transmission frequency 2,402 MHz to 2,480 MHz
• Modulation GFSK, π/4 DQPSK, 8DPSK
• Output power 10.0 mW (max)
• Profiles HSP, HFP, AVRCP, A2DP
• Codec aptX™, aptX™ Low Latency, AAC, SBC