Okayo GPA550 (Dual & Bluetooth) UHF with Mic



System Includes the following:

  • Okayo GPA550 UHF(50W) Wireless PA System
  • Handheld Microphone
  • USB SD Card
  • Remote

Out of stock


Okayo GPA550 (50w) is not just a simple shoulder carry amplifier speaker. But it is compact and 50W powerful battery powered sound reinforcement for any environment. Ideal for meeting room, club, party, fitness or classroom and middle group of crowds up to 150 people.


  • 50W power output (max)
  • Lightweight 5″ Neodymium diver delivers great sound project
  • Receiver provides SCAN function for a clear channel to use, and SYNC to target microphones at same channel as receiver
  • USB/MP3 audio player and Bluetooth receiver for option
  • 4-segment battery meter for charging and power status reading
  • Voice priority allows a reduced music volume when a microphone is used
  • Two power models – AC or Battery powered
  • Two battery options – Lead-Acid and Lithium, choice at budget
  • Internal charger for handheld microphone
  • Runs 4-8 hours on a charge (built-in battery charger)


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-501A, or DR-500, up to 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
12 V, 4.5 Ah x 1 (Lead-Acid, GPA-550); 12 V, 5.3 Ah x 1 (Lithium, GPA-570) rechargeable battery
Battery indicator
4 LEDs to indicate battery autonomy status
Battery run time
4 ~ 8 hours (subject to battery type and output volume)
Charging time
6 ~ 12 hours (subject to battery type)
Dimensions (D x W x H)
317x 153 x 246 mm
3.8/2.95 kg (with Lead-Acid/Lithium battery)


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