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    NUX SA-40 40W Acoustic Guitar Amp Rechargeable Battery Powered With Mic Input

    NUX SA-40 40W Acoustic Guitar Amp Rechargeable Battery Powered With Mic Input

    Configure multiple interfaces

    Support card balance output, guitar TS plug input, external media input, headphone output, mixer output interface, etc.

     Low-battery protection

    After the SA-40 speaker battery is fully charged, it can work continuously for more than 4 hours (depending on the actual power used)

    When the battery of the SA-40 speaker is about to run out, the speaker will automatically activate the low-battery protection function to protect the battery cycle life.

     Internal recording function

    The back panel of this speaker has a 3.5mm AUX-IN/LINK interface, which supports the live recording function of the mobile phone.

     Tuning function

    Connect your guitar on channel 1 and press the TUNER button on the operation panel. The upper LCD screen lights up and enters the tuning mode. The speaker is now muted. After the tuning is completed, press the TUNER button again to turn off the tuning function and the volume returns to normal.

     Anti-return whistle function

    Press the ON/OFF button in the Anti-Feedback area on the operation panel to turn on the anti-feedback whistle function.

    Rotate the SWEEP knob slowly to find the howling band.

    When the howling sound disappears, stop rotating the knob to complete the return function.

     Wide range of application scenarios

    Guitar/microphone dual-channel can be singing while while playing guitar at the same time. 


    • Brand: NUX
    • Model: SA-40
    • Number of Speaker: 2× 6.5 inch
    • Sampling Rate: 32kHz
    • AD/DA conversion accuracy: 24bit
    • Signal processing accuracy: 32bit
    • Headphone output: 250mW+250mW
    • Tuning range: Eo (20.60Hz)-C8 (4186Hz)
    • Tuning reference frequency: A4=440Hz
    • Guitar channel input: -10dBu/1Mohm
    • Microphone channel input: 30dBu
    • AUXIn input+dBu 
    • Voltage:  220V-240VAC, 50/60Hz
    • Battery: Aluminic acid battery 12V7Ah
    • Volume: 386(L)×240(W)×266(H)mm
    • Weight:  9.8kg


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