Muse 81
The Studiomaster Professional Muse 81 is a versatile portable wireless PA active trolley loudspeaker that features a built-in rechargeable battery, a wireless microphone,  True Wireless Stereo (TWS) pairing, unique Sing-along mode, MP3 media player-cum-recorder with Bluetooth and more, making it ideal for a variety mobile PA and personal sound reinforcement applications.
Features
Specifications
Downloads
Muse 81
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    Features a 8” LF Driver and a 3” Tweeter.

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    Loud and Clear 30W (RMS) Output.

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    Ships with 1 wireless handheld microphone.

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    USB, SD/MMC Media Player, Recorder & Bluetooth.

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    True Wireless Stereo (TWS) for Pairing Two Muse 81 Units.

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    Wireless IR Remote Control.

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    Inputs: 1 x 6.35mm (¼”) Mic, 1 x 6.35mm (¼”) Guitar and 1 x 3.5mm EP Aux.

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    Outputs: 1 x RCA (AUX) & 1 x RCA (Speaker 4-8 Ω)

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    MIC/VOX Priority Feature.

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    Sing-along Feature for Bluetooth, USB and SD/MMC Media Player.

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    Echo/Delay EFX on MIC Inputs with Level Control.

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    Individual Volume Controls for MIC and Aux/Media Player Inputs.

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    2-Band (Bass/Treble) EQ on Aux/Media Player Input.

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    Built-in Rechargeable 4500mAh 12V Lead Acid Battery.

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    Long Lasting 5 Hours Battery Life.

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    15V DC Charging Adapter Supplied.

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    12V DC Car/Motorcycle Battery Operation.

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    LED Lights with On/Off Switch.

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    Integrated Carry and Trolley Handles with Wheels for Easy Transportation.

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    Sturdy PP+ABS Cabinet for Outdoor Use.

  • Model

    Muse 81

    Driver Size

    LF – 8” / HF (Tweeter) – 3”

    Power Output (4?, 1kHz)

    26W (RMS) @ 1% THD / 30W (RMS) @ 10% THD

    Frequency Response

    50Hz-18kHz ±2dB

    S/N ratio

    -80dB

    Inputs

    1 x 3.5mm EP Aux, 1 x 6.35mm (¼”) / Guitar, 1 x 6.35mm (¼”) Mic

    Output

    1 x RCA (AUX) and 1 x RCA (Speaker 4-8 Ω)

    Equalization

    Bass – ±5dB @ 100Hz / Treble – ±5dB @ 10kHz

    Battery

    Rechargeable 4500mAh 12V Lead Acid

    Battery Life

    5 Hours (approx)

    Charging Adapter

    +15V DC

    External Battery

    +12V DC via Terminals on Rear Panel

    Enclosure Material

    PP+ABS

    Dimensions (W x D x H) mm

    360 x 210 x 525

    Weight (Kg)

    8.1