Speaking of set up of Apple devices: treble and bass adjustments?

[DeusxMac]

August West wrote:
Not so knowledgable that I can say it will work, but take a look at headphone accommodations. Headphone Accommodations

Don't know if they feature the effects you need or would stick without headphones attached.

Thanks! This may be the best (available) work around. miley-signs001: (tu)