Hogtunes NCA 450-RM : 4 Channel Amplifier / 4x50 watts (2014 - model year) - Manual (Page 12)

Hogtunes products will play much louder than the
Original Equipment, which can be a distraction to
the rider and/or passenger. Please use caution
when adjusting or playing your stereo
at high volume, especially in traffic.
You are a valued customer so please:
ride alert
arrive alive!
www.hogtunes.com