Seymour Duncan Multi-Source Preamp System with under-saddle piezo pickup and omni-directional electret condenser microphone- 18V low-noise- high-input impedance preamp for more headroom- active operation- suitable for...

Fishman Powertap Earth- Pickup & Pre-Amp for Acoustic Guitar- Construction: Magnetic with additional Tap Sensor- Pickup Mount: in the Soundhole & inside the Body- combines the easy installation and warm, transparent...

L.R.Baggs Session VTC pickupsystem with piezo pickup and preamp, pickup for under saddle, preamp for soundhole, Analog warmth enhances sonic character and harmonic content, Dynamic EQ smoothes out common problem...