DJ Sound FX allows you to play short sound clips in real-time. It's fully customisable and allows you to attach your own sounds to any buttons. And it's absolutely free, NO ADS.
Just connect your android device to mixer or sound interface and run the effects at the right time to enhance your mix.
There are 12 high-quality lossless sounds (different types of siren: police, alarm, navy, air raid, klaxon, blaster, vinyl scratch, spin, air horn). You can load your own sounds with a single click of a button. Supportable files: wav, flac, mp3, ogg. (Note the duration of audio file is limited to 6-20 seconds and depends on recording format). The button's title will change according to filename. The interface is simple and readable, no useless elements.