Q: I’m looking to buy some powerful speakers, preferably with Bluetooth capability and portability. Ideally I don’t want to spend over $300. I bought the Jawbone Jambox, but the volume didn’t go high at all—these were truly disappointing speakers. My top priorities are that it produces great, loud sound and that it doesn’t need to be plugged into the wall all the time. Can you help suggest which speakers to buy? Thank…