Can I use this Aquatic AV 2-Channel Amplifier for Harley-Davidson to power both the front and rear speakers at the same time? Aquatic AV June 05, 2020 14:04 Updated Yes, the amplifier can be hooked up to both front and rear speakers! This will require a little extra wiring. Related articles How do I connect speakers to the Aquatic AV 2-Channel Amplifier for Harley-Davidson? Which set of wire are for Left/Right Channel? Comments 0 comments Article is closed for comments.