2.4 GHz Wireless Digital
Audio Sender
8CH Selectable, Auto-Scan
Model:DAS-200
Introduction
Internet Radio, on-line MP3 concert and internet audio programs are popular
these days. In order to enjoy this kind of entertainment or program, user need
to hook their computer to internet and listen the audio from multimedia
speaker! If you want to listen to this kind of audio everywhere you need to take
you notebook or PC to the place you want to go!
DAS-200 can provide you a different experience of listening. With state of art
RF and digital processing technology, and with 8 CH selectable bands, it can
provide crystal clear audio to your audio amplifier.
Feature
2.4GHz
8 CH selectable channels
Auto Scan channel ---Receiver
1 Tx to 1 Rx or 1 to many Rx
FEC coding
last channel recall
Package of content
Before your installation, please check the content of package
Transmitter(Tx) X1
Receiver(Rx) X1
AC/DC Adaptor X1
3.5 mm to 3.5 mm stereo audio cable X1
3.5 mm to RCA R L audio cable X1
Transmitter Receiver Audio cable Audio cable Adaptor
1
Installation
Audio Cable
AC/DC Adaptor
TX
Listen to the internet radio or MP3 files
on Computer.
DAS-200 Transmitter is used as a external
speaker of your PC or Notebook, the audio
from PC will transmit by 2.4GHz signal to
Receiver.
RX
Connect 3.5mm to RCA RL audio cables, 3.5mm end to the audio output on the
back panel of DAS-200 Rx, RCA RL to the audio input of your audio amplifier.
Connect the barrel end of AC/DC adaptor to the DC input of the back panel of
DAS-200, AC end to your AC outlet
Receiver
Operation
Step 1. Please check the power is ok in either
Tx( the blue-ray LED will lighted on when
Plug into USB port )or Rx.
Step 2.Push the button on the Tx (as figure 1)
to select desired channel(the Receiver
can auto scan the channel that Tx has)
Step3. Turn on the audio amplifier at the Rx site
to check the audio quality, if there is some
interference occurred, the sound will has
some zigzag and buzz. At this time, you
need to choose another channel as Step2
to make sure that the audio quality is crystal clear.
Step4: open your mind to enjoy.
Stereo speaker
figure 1
2
Safety
Indoor use only
Clean with dry and soft cloth
No serviceable part for customer
Digital Audio Sender Specifications
Model NO. Transmitter (R/L) Receiver
Description Transmitter Receiver
Supply voltage 5VDC via USB port AC120V, 60Hz
DC 9V,200mA
Current consumption 100 mA (Typical) 130 mA (Typical)
Operating
temperatures
Frequency range 2400 ~ 2483.5 MHz 2400 ~ 2483.5 MHz
Modulation FSK (Modulation Index 0.5)
Channel number 8 8
Channel spacing 9 MHz 9 MHz
Channel frequency 2410, 2419 ~ 2473 MHz 2410, 2419~ 2473 MHz
Frequency stability ±100 KHz ±100 KHz
TX Power +10 dBm for CE (Typical),
Input impedance >10K Ohm
Input level 4Vp-p (Max)
RX Sensitivity -85 dBm (Min.)
Adjacent channel
rejection
Image rejection >25dB @ the image
Output impedance < 1KOhm
Output level 3.4Vp-p (Max)
Response
Dynamic range
Separation
SN ratio
THD
-10 ~ +60 (degrees Celsius) -10 ~ +60 (degrees
Celsius)
+10 dBm for FCC (Typical)
>45dB @ +/-5MHz offset
the central frequency
frequency
20 ~ 20 KHz, -2dB(Max)
45dB (Min)
45dB (Min)
45dB (Min)
0.6% (Min)
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FCC INFORMATION
The Federal Communication Commission Radio Frequency Interference
Statement includes the following paragraph:
The equipment has been tested and found to comply with the limits for a Class B
Digital Device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instruction, may cause harmful interference to radio
communication. However, there is no grantee that interference will not occur in a particular
installation. If this equipment dose cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on , the user is
encouraged to try to correct the interference by one or more of the following measures:
--Reorient or relocate the receiving antenna.
--Increase the separation between the equipment and receiver.
--Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
--Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the fcc rules. Operation is subject 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
NOTE:
compliance could void the user’s authority to operate the equipment.
To comply with the FCC RF exposure compliance requirements, this device and its antenna
must not be co-located or operating to conjunction with any other antenna or transmitter.
The changes or modifications not expressly approved by the party responsible for
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