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    Multifunctional Wireless Mixer Amplifier System

    General Features
    • Dual 250W Class-D power amplifiers built in.
    • Built in 2-way 250 watt speaker system (10” + 1” HF).
    • 250 watt active output for external 4~8Ω speaker.
    • MIC 1 and 2 are XLR/6.3mm combo jack connectors for microphone and line inputs with individual volume control and a MIC/LINE level switch.
    • LINE IN (XLR/6.3mm combo & 3.5mm jacks) with volume control.
    • Up to 4 diversity receiver modules with 100 frequencies.(optional)
    • Scan and Sync button for quick and simple mic channel set-up.
    • Built in Bluetooth receiver for music streaming.
    • DIGITAL IN (USB 2.0) allows playing audio files directly from computer via USB cable.
    • ACTIVE OUT (XLR jack) for multi-unit audio linking.
    • SPEAKER OUT (6.3mm jack) for an external 8Ω passive speaker with volume control.
    • REVERB with bypass, and volume control for wired and wireless microphones (switchable).
    • VOICE PRIORITY function automatically ducks music during speech (switchable).
    • 3-band equalizer (BASS / MIDDLE / TREBLE) for all audio inputs.
    • Digital limiter prevents output distortion, with 6-step LED audio meter indicator.
    • Smart charging circuit with 4-step LED battery indicators and charging LED.
    • Storage compartment for 4 transmitters (handheld x 4 pcs or handheld x 2 pcs + beltpack x 2pcs) and a switching power supply.
    • User friendly battery compartment design for simple battery replacement.
    • Integrated retractable handle and BIG wheels for easy portability.
    • Tripod stand mountable with ST-50.
    • Up to 12 hours operating time per charge with lithium battery and 6 hours with Lead-Acid battery.
    • 2 power modes: Internal Rechargeable battery & DC jack.
    Brochure Manual
    • Amplifier
    • Plug-in
    • Handheld
    • Beltpack
    • Gooseneck
    • Accessories


    Onboard Class D amplifier

    Dual 250W Class-D power amplifiers

    Maximum Output Power

    Built in 2-way 250 watt speaker system
    250 watt active output for external 4~8ohm speaker

    Speaker system

    10" LF, 1" HF and crossover


    Maximum 110 dB


    < 0.5%

    Freq. response


    Audio Inputs

    MIC/LINE in x 2 (6.3mm/XLR COMBO)
    LINE IN x 2 (6.3mm/XLR COMBO, 3.5mm)
    Digital in (USB 2.0)
    Up to 4 wireless microphones

    Audio Output


    External speaker

    8Ω (6.3mm), with volume control


    EQUALIZER,REVERB & VOICE PRIORITY on wired/wireless mics

    Audio meter indicator

    6 LED indicators

    Power supply

    Input: 100-240V AC / 30-32V DC, 4A

    Battery type



    Battery spec

    12V, 5A

    29.4V, 7.8A

    Battery Q'ty



    Battery Indicator

    4 LED indicators

    Operating time

    5-6 hrs in music, >10 hrs in speech

    8-10hrs in music, >12 hrs in speech

    Charging time

    about 6 hrs

    about 8hrs


    Handheld x 4 pcs or Handheld x 2 pcs + Beltpack x 2pcs, and a switching power supply

    Dimension (mm)

    550(H) x 360(W) x 340(D)

    Weight (kg)



    ** Remark: The above specifications are subject to change without prior notice.

    © 2014 CHIAYO Electronics, All Rights Reserved.