Product Line

Wireless Portable PA System
Wireless Personal Sound System

GPA-550 │ GPA-570

60W Wireless Personal Sound System

It can be a hand carry or shoulder carry amplifier speaker with made easy conveniences and versatile. The system is battery operated and also an easy-to-use features for indoor or outdoor use.

* GPA-550, a Lead-Acid battery version
* GPA-570, a Lithium battery version
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  • Features
  • Specifications
  • Transmitters & Receivers
  • Chargers
  • Accessories
  • Download
  • 60W 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)

UM-502 (USB/SD)