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7.4 Receiver, Earphones, Battery Pack,
Charging Case and Storage Case
7.4.1 Receiver (HCS-5100R/RA)
Physical characteristics
Dimensions (H×W×D)
155×46×24 mm
Weight
80 g (excl. batteries/battery pack)
135 g (incl. batteries/battery pack)
Color Black
Electrical and optical characteristics
IR irradiance level
4 mW/m2 per carrier
Angle of sensitivity
270°
Headphone output level at 2.4V
450 mVrms (speech at
maximum volume, 32 Ohm
headphone)
Headphone output freq. Range
20 Hz to 20 kHz
Headphone output impedance
32 Ohm to 2 kOhm
Max. signal-to-noise ratio
> 80 dB(A)
Supply voltage
1.8 V to 3.6 V, nominal 2.4 V
Power consumption
- normal(at 2.4 V)
38 mA (32 Ohm headphone)
- unplug headphone jack
0 mA
Battery life
-2×AA alkaline cells
70 h
-rechargeable battery pack
42 h
7.4.2 Earphones
EP-820AS Single Earphone
Used with the receiver/conference unit
Hi-Fi sound quality
Ø 3.5 mm stereo plug
32 Ohm (Tip and Sleeve, Ring: NC)
Frequency response: 50 Hz to 20 kHz
Sensitivity:
≥
102 dBA/1 mW
EP-829 Single Earphone
Used with the receiver/conference unit
Hi-Fi sound quality
Ø 3.5 mm stereo plug
32 Ohm (Tip and Sleeve, Ring: NC)
Frequency response: 20 Hz to 20 kHz
Sensitivity:
≥
108 dBA/1 mW
EP-829SW Single Earphone
Used with the receiver/conference unit
Hi-Fi sound quality
Ø 3.5 mm stereo plug
32 Ohm (Tip and Sleeve, Ring: NC)
Frequency response: 20 Hz to 20 kHz
Sensitivity:
≥
108 dBA/1 mW
Built-in magnetic control switch
HCS-5100PA headphone
Used with the receiver/conference unit
Hi-Fi sound quality
32 Ohm×2, Ø 3.5 mm stereo jack
Frequency response: 20 Hz to 20 kHz
Sensitivity:
≥
108 dBA/1 mW
EP-960BH headphone
Used with the receiver/conference unit
Hi-Fi sound quality
150 Ohm×2, Ø 3.5 mm stereo jack
Frequency response: 20 Hz to 20 kHz
Sensitivity:
≥
108 dBA/1 mW
One
sided
wire