Chiayo Smart U1OB

Chiayo (40W Peak) PA with 16 Channel Wireless Receiver, SB12 carry bag.


In Stock


Chiayo Smart 300 40 watt mini portable PA with 4 inch driver and 1 x UHF 16 channel receiver.

Ideal applications include:

  • School room teaching
  • Playground duty
  • Meetings
  • Trainers
  • Sports coaches
  • Public speakers
  • Tour guides or Promotions & Presentations

Package Includes: The price listed here is for the Chiayo Smart PA with wireless UHF 16 channel receiver and SB12 carry bag.

Options Available: Use with SQ5116 (Handheld Wireless Microphone) or SM2016 (Beltpack Transmitter)

Please note: We offer great package pricing on the different options available. Let us tailor the right package for your application. Use the online enquiry form, or call us, and we will do the rest.


  • 40W Class-D amplifier to power a 4″ full-range driver.
  • MIC IN (Φ6.3mm jack) for microphone with volume control.
  • AUX IN (Φ3.5mm jack) with volume control.
  • One or two diversity receiver modules with fixed/16 frequencies.(optional)
  • Built-in USB/SD music player & recorder with LCD screen and remote control (U1DB model only)
  • AUX OUT (Φ6.3mm jack) for external audio recording.
  • Equalizer for all audio inputs.
  • Smart charging circuit with battery indicator LED and charging LED.
  • User friendly battery compartment design for simple battery replacement.
  • Up to 12 hours operating time per charge with Lead-acid battery.
  • Tripod stand mountable with ST-30.
  • 2 power modes: Internal Rechargeable battery & DC jack.


Model SMART 300
Max power output 40W, 4Ω load (class-D)
Speaker system 4″ full range
Audio input Mic in, Aux in
Audio output Aux out
T.H.D. < 0.5%
Freq. response 50Hz-20KHz ± 3dB
Antenna Built-in
Power supply 100-240V AC, 15V DC/2.4A
Battery type Lead-Acid
Battery spec 12V/2.9A
Battery Q’ty 1
Standby time 5-6 hours in music, 10-12 hours in speech
Charging time about 4 hours
Dimension (mm) 243.5(H) x 140(W) x 143(D)



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