Product Line

Portable PA System
60W Wireless Personal Sound System


60W Wireless Personal Sound System

Being the pioneer of fashionable design and versatile performance, OKAYO Portable Sound System, GPA-500 is perfect for building your own personal sound field. It can be hand-carried, mounted on a stand or on the wall, ideal for the application in schools, worship places, seminars, tours, small concerts, auctions, or any event indoors / outdoors when good quality of announcement or a public speech is required.
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  • Features
  • Specifications
  • Transmitters & Receivers
  • Chargers
  • Accessories
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  • 60W power output (max)
  • High-fidelity of 5” full-range speaker to achieve excellent sound quality
  • Plug-and-play dual receiver modules with up to 96 selectable channels
  • Built-in rechargeable 12 V/2.9 Ah Lead-Acid battery providing up to 6 hours (2 microphones, in speech) continuous use when fully charged
  • With Mic in, Aux out/ in, able to connect with other external audio source. Such as CD player, iPod, instruments and etc
  • External audio sources can be mixed simultaneously to the input
  • Installed UM-501 MP3 player modules with USB / SD card reader and remote control
  • Bluetooth receiver for option
  • Supports 2 wireless microphones and 1 wired microphone
Overall Specifications
Oscillation type
PLL synthesized control OSC
Carrier frequency range
514-865 MHz (16 / 96 ch., country dependent)
Adjustable frequency
pre-programmed max. 96 switchable channels
Display status
LCD indicator displays channel or frequency
Switching bandwidth
max. 12 MHz
Ambient temperature
-10 °C ~ 50 °C
Maximum deviation
80 kHz, with level limiting
tone key and noise lock dual-squelch
Frequency response
70 Hz - 17 kHz
Operating range
50 - 70 M (opening field)
Wireless System
Output power
60 W (max.) / 40 W (RMS)
5" Neodymium
Receiver module
DR-701A x 2, DR-700 x 2
Audio input
6.3 φ -Mic in, 3.5φ - Aux in (stereo)
Audio output
3.5 φ - Aux out (stereo)
Power requirements
100 ~240 VAC,20 VDC, 3.25 A switching power supply
12V, 4.5 Ah x 2 (Lead-Acid) rechargeable batteries
Battery indicator
4 LEDs to indicate battery autonomy status
Battery run time
4 ~ 5 hours (subject to output volume)
Charging time
6 ~ 8 hours
Dimensions (D x W x H)
260 x 210 x 290 mm
4.4 kg (with battery)

UM-501 (USB/SD)

UM-502P (USB/SD)