A very good stereo pre-amp loaded with features...

• Acoustic Pre-Amplifier, EQ’s, D.I, Anti-Feedback, Blender, & Harmonic Enhancer – For Pickups & Microphones via Battery or D.C Powering
• EDB-2 with Customer led Expanded Features, now Dual Instrument Accessible:Featuring: H.E.A.T
• Harmonic Enhanced Analogue Technologywith Tuneable added High Harmonics
• Twin Channels with two sets of 5 Band Interactive EQ & two Silent Mutes
• 48v & 11v Phantom Power To Jack & XLR  -Mono & Stereo Inputs
• Improved Class “A” Inputs & top Pro Audio Circuit – Producing a huge 32dB of Low Noise Gain
• Send & Return FX Loop
• Mono, Stereo or Blended Outputs via Jack & XLR
• Tuneable Notch Filter to beat feedback & resonances on either channel
• 2 Way Phase Reverse & Earth Lift Switches
• Range Switches (HPF) for Guitar, Bass or Violin/Mandolin via each channel
• Works with batteries but can it can also take a power supply