![](https://drmusic.es/8804-medium_default/mxr-m81-pedal-bass-preamp-preamplificador-de-bajo.jpg)
![](https://drmusic.es/8804-small_default/mxr-m81-pedal-bass-preamp-preamplificador-de-bajo.jpg)
![](https://drmusic.es/8805-small_default/mxr-m81-pedal-bass-preamp-preamplificador-de-bajo.jpg)
![](https://drmusic.es/8806-small_default/mxr-m81-pedal-bass-preamp-preamplificador-de-bajo.jpg)
![](https://drmusic.es/8807-small_default/mxr-m81-pedal-bass-preamp-preamplificador-de-bajo.jpg)
![](https://drmusic.es/8808-small_default/mxr-m81-pedal-bass-preamp-preamplificador-de-bajo.jpg)
![](https://drmusic.es/8809-small_default/mxr-m81-pedal-bass-preamp-preamplificador-de-bajo.jpg)
Reference: I6-M81
Studio-quality preamp and direct output combination
Separate input and output level controls
3-band EQ section with midrange sweep
Ground switch
Pre/Post switch for equalizer position
Controls for output, mid, frequency, input, bass, mid and treble
2 internal switches for direct output function and for buffered or true bypass
Status LED
1/4" inlet and outlet
Can run on 9V battery or optional power supply
Made in USA