Sennheiser Supplemental RS180 Wireless Headphones - 615104168701

Sennheiser Supplemental RS180 Wireless Headphones, Model HDR180

The HDR-180 is a supplemental wireless headphone receiver for the RS 180 system.

Key Features:

• KLEER Digital wireless headphone
• Open-Aire speaker system for hyper-realism
• Automatic Level Control enhances speech intelligibility
  

Specifications:

• Transducer principle (Headphones) open, dynamic
• Ear coupling circumaural
• Sound pressure level (SPL) 110 dB
• THD, total harmonic distortion <0.5 % a 1 kHz, 100 dB SPL
• Frequency response 18 Hz - 21000 Hz
• Impedance 32 O
• Charging time approx. 16 hours
• Power supply 2 NiMH-Akkus Typ AAA, 1,2 V, 600 mAh
• Operating time approx. 24 hours

Approximate Weight:

• Unit: .45 lbs (without batteries)
• Shipping: 3 lbs