On the dash in front of the steering wheel, I am using an ihome portable speaker with a built in battery. Charges using a USB cable and the audio is great from the Homepatrol!
Finally! I have my Homepatrol on a ram mount with the neck pushed in a slot under my aftermarket radio. Holds very well. I am also using an Ihome external portable speaker. Got It at Walmart for at $20. Sounds pretty good. I am using a Comelco NMO wideband antenna on a trunk lip mount.