SOUND ON! Our latest JL Audio Speaker and Amp setup on our customers Greenliner boat! We recently installed 4 x M6 650 Speaker, 2 x M6 770 Speaker, 1x 10″ sub and an 8 channel JL Audio Amp! All speakers were also upgraded to be RGB illuminated. Find out more about how we can upgraded your boats sound system by getting in touch with us 01202 748312 or email us at firstname.lastname@example.org.