Page 5
VA20WB VoiceAmp® REVEL
™ Troubleshooting Guide
A. Thoroughly read the operation manual carefully to verify proper setup and installation of your system
before using.
B. If feedback (a high pitch squealing sound) occurs:
Immediately move the microphone away from the speaker
Reduce the master volume level on the speaker
Reduce audio level of input device/s
Reduce the microphone gain setting on the transmitter
Move the microphone to the side and behind the speaker. NEVER use it directly in front of the
speaker
Point the microphone away from the speaker
C. No Sound and Green Power LED indicator is OFF:
Turn the ON/OFF/Volume knob clockwise and the green LED should illuminate.
Batteries are very low or dead. Connect the battery charger to recharge the batteries.
D. No Sound and the Green Power LED Light is ON:
Turn up the volume control.
Check to make sure the microphone cable is plugged in properly.
E. LED battery status indicator flashing RED:
Battery needs to be charged.
Connect battery charger.
F. Shortened Battery Life:
Batteries are not fully charged and need to be completely charged.
If battery life continues to diminish prematurely, the speaker needs to be returned to the factory
for battery replacement.
G. Noisy and/or Distorted Sound:
Volume level is too high.
Batteries may be weak and need to be changed or charged.
Microphone dirty or damaged.
ARG-VA20WB VoiceAmp® Revel
™ Technical Specifications
Rated Power Output
20 Watts CLASS AB
Max SPL @ Rated Power
78dB @ 1 meter
Frequency Response
60 Hz
– 18 kHz
Switch Power Supply/Battery Charger
INPUT 100Vac-240Vac, 50/60Hz 1.5A-0.9A
OUTPUT: 16V
– 3.36A
Built-In Battery
14.8V 3000mAh Polymer
Lithium Battery Pack
Dimensions
6-1/2
” (W) x 4-3/4” (H) x 3 (D)
Weight
3 lbs.
Inputs:
Mic-In/Line-IN:
Mono 3.5mm jack accepts wired low impedance dynamic microphones. Jack
also accepts audio devices that have a line-level output including MP3 players, IPODS and CD
players.
NOTE:
Specifications subject to change without notice.
