Amphony H2500 Frequently Asked Questions
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Amphony H2500, 5.8 GHz DIGITAL Wireless Headphones, Model 2500 Q: What is the difference between the Amphony 5.8 GHz Digital Wireless headphones and current 900 MHz wireless headphones ? A: The main difference is how the audio signal travels from the transmitter to your headphones. Almost all of the current wireless systems on the market use a method called FM (Frequency modulation) which is very similar to the operation of your FM radio. The major drawback ist that this type of modulation is ‘analog’ which is the reason for the poor performance of 900 MHz analog headphones. If you listen carefully to a CD over 900 MHz analog w
Q: Is the technology used in these headphones similar to Bluetooth or MP3 ? A: Even though both our headphones and Bluetooth / MP3 use digital audio, there is a fundamental difference between Bluetooth and how audio is transmitted to our headphones. Bluetooth is only able to transmit audio data at very low data rates reliably (typically up to 200 kbps). Therefore, only comp
Amphony H2500, Q: What does the noise shaping filter of the Model 2500 headphones do ? A: Digital audio, such as audio on a CD and the audio transmitted to the headphones, is represented by numbers that represent voltage levels. When analog audio is converted to digital audio, the voltage of the audio signal is sampled and represented by a number that refers to the voltage that comes closest to the actual voltage. Because there is usually a small difference between that voltage and the actual voltage of the analog audio signal, a certain amount of noise - quantization noise - is introduced. The amount of such quantization noise is, among other things, determined by the amount of
Amphony H2500, Q: What exactly is a RangeBooster transmitter ? A: A RangeBooster transmitter is a secondary transmitter which can be used to extend the opera- ting range of the 5.8 GHz Digital wireless headphones. This is useful if you want to listen to your headphones in areas where the signal may be blocked by walls or other obstacles. Also, the use of RangeBooster transmitters is recommended in areas where there may be strong interference from other transmitters, microwave ovens etc. Please do not use a 2.4 GHz RangeBooster since it will not work with your 5.8 GHz he
Amphony H2500, Contacting Amphony Support For contact details and Local Sales Representatives, visit the Amphony web site at: http://www.amphony.com Amphony has made best efforts to ensure that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without warranty of any kind (express or implied). No responsibility is assumed by Amphony for the use of this information, nor for infringements of patents or other rights of third parties. This document is the property of Amphony and
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