I've found Behringer pedals hit and miss. I give the Tube Monster a and their Compressor Sustainer

Is there anyone with first hand experience of the EQ700? I intend it to act as a boost pedal for some extra volume to cut through for solos.

Thanks in advance.
If you are running it into the front input of your amp, and you set the amp dirty, it may just give you a bit more gain but not necessarily volume. Adjusting the EQ along with the volume could help. If you set your amp pretty clean it would give you much more a volume boost and along with a cutting EQ setting you will have a good solo sound. If your amp has an effects loop, that would be even better.