DTC Audio TRAmp ST50 User manual
- ST50
PORTABLE WIRELESS AMPLIFIER
ETS LOGISTICS BV
-ST50 Panel
Warranty information
DTC Audio hereby warrants that this product will be free from defects in material and workmanship for a period of one
year from the date of purchase. At our option, we will repair or replace the defective product and promptly return it to
you. You should retain proof of purchase to validate the purchase date and return it with any warranty claim.
If you believe this product is defective within the warranty period, carefully repack the unit, insure it, and return it freight
prepaid to your nearest dealer or authorized service center or direct to us.
This warranty does not apply in case of abuse of the product use contrary to our instructions, or unauthorized repair. All
implied WARRANTIES of MERCHANTABILITY of FITTNESS FOR A PARTICULAR PURPOSE are disclaimed and we hereby disclaim
liability for incidental, special or consequential damages resulting from the use or unavailability of this product.
THIS WARRANTY SUPERSEDES ALL WARRANTIES THAT ARE INCLUDED WITH THIS PRODUCT.
Amplier Specication
Max. Output Power RMS 50-Watt
No. of Mic Input 1 x Wired Microphone (1/4” Phone jack)
1 x UHF Microphone (863~865MHz 16-Preset Frequency)
Operation Approx. 3 ~ 4 hours (Depends on operation)
Volume Control 1 x Wireless Microphone / 1 x Wired Microphone
Tone Control 1 x Treble / Bass
Aux. (3.5mm Jack) 1 x Aux-In / 1 x Aux-Out / with Volume control
Speaker 6.5” Dynamic full range + 2” Tweeter
Battery 12V/3.2A, Rechargeable & Explosion proof
Voice Priority & Echo Acoustic level controlled by volume from 0 ~ 100%
AC/DC Adapter AC 90~264V / DC15-16V-3A CE, UL, FCC …
Weight Approx. 3.5kg-Net
Dimension 245mm(L) x 205mm(W) x 280mm(H) Net
Wireless System Specication
Carrier Frequency UHF 863-865MHz (Other frequencies are option)
Oscillation PLL Synthesized
RF Transmitter Power 10mW (Depends on regulation)
Preset Frequency 16-Frequency selectable
Technical Specication
Operating the System
Using the UHF Wireless Microphone
1. Open the battery compartment of wireless hand-held mic or belt-pack transmitter mic
and insert supplied 2 x AA type batteries in their correct +/- polarity.
2. Set Ch-number of amplier and microphone both to same number by Ch-selector
switch using supplied plastic “I” screw driver. ( Please see the schematic below )
3. Clockwise insert the supplied BNC wireless antenna into it’s socket on the operating panel.
4. Plug your wired microphone into the combination jack on the operating panel.
5. Turn on the main power on/off switch. Power-on LED will be illuminated.
6. Adjust the volume level of wired mic and try while setting treble/bass to proper level.
7. Adjust the volume level of wireless mic on the amplier. Turn on the switch of wireless
mic and try. The on-air LED next to the Ch-selector switch will be illuminated.
8. In the case of frequency interference occurring, try to set Ch to another Ch-number.
9. Use the aux in/out RCA jack to feed out or feed in audio signals to and from another source.
Using the Wired Microphone
1. Turn on the main power on/off switch, the power-on LED will be illuminated
2. Plug 1/4” plug into the wired mic socket and adjust the volume using the wired mic volume knob.
(see number 6 and 9) on the operating panel.
NOTE: Wired microphones are also as sensitive to feedback as wireless microphones, therefore it is advisable to follow the same advice as in the
above information for optimum performance
Using Auxiliary Equipment
1. Use the Aux in/out jack connection to feed in or out audio signals from another source
2. Typical sources to feed into the amplier are MP3 players, DVD players, laptops and palm devices
etc. where you want to amplify the sound to larger audiences.
3. The feed out socket can be used to connect to ampliers and mixers.
NOTE: The information contained in this manual is believed to be correct at the time of going to press. However, DTC Audio
reserves the right to change or modify the specication without notice or obligation to update existing units
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