Amphony h2500 ユーザーガイド

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User and Installation Guide
Page 10
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Copyright (C) 2004 Amphony. All rights reserved.
The information contained herein is subject to change without notice. 
Revisions may be issued to advise of such changes and/or additions.
All product names, trade names, or corporate names mentioned in this 
document are acknowledged to be the proprietary property of the registered 
owners.
FCC ID PMJT2500
This device complies with part 15 of the FCC Rules. Operation is subjected 
to the following two conditions: 1) This device may not cause harmful 
interference and 2) this device must accept any interference received, 
including interference that may cause undesired operation.
Caution: Any changes or modifications not expressly approved by the party 
responsible for compliance could void the user's authority to operate the 
equipment.
Made in China.
Technical Specifications
 
Transmitter:
 
Audio transmission method: Digital
Transmitter frequency: 5.8 GHz
1)
Signal-to-Noise ratio (A-weighted): typ. 100 dB 
Dynamic range: typ. 100 dB 
Channel separation: typ. 100 dB 
Harmonic distortion: typ. -90 dB 
Error correction: 1/2 rate FEC
Audio sampling method: 64 times oversampling
Transmitted data rate: > 3 Mbps
Data available at high-speed data port
Transmitter operating range (without RangeBooster modules):
   max. 200 ft. line of sight, max. 50 ft. through walls and ceilings
 
Headphones:
 
Type: dynamic, closed
Operating time: max. 100 hours with two AA batteries
Frequency response: 10 Hz ... 23 kHz
Maximum sound pressure level: 115 dB
Note: 1) Performance is given for operation with a digital audio interface
1)
1)
1)
Audio latency: < 1 ms