DigiTech’s DG15R and DG15 15-watt combo amps have two channels, controls for Gain, Volume, Treble, Middle and Bass, and a Clean/Overdrive switch. Both have an open-back cabinet. The DB15 15-watt bass amp has controls for Volume, Treble, Middle and Bass, making it easy for players to create their favorite sounds. All use a single 8″ speaker and have a 1/4” headphone-out. Learn more at harman.com.