Check the listing for details. 201 Presys+ Onboard Preamp System Presys+Guitar Pickups PRO PSY. Color: Black, Condition: New. Listed at 38.00 USD. Description The Presys+ Onboard Preamp System is designed to offer maximum control, performance and quality in a small, unobtrusive format. The compact sophisticated Presys+ system features Volume, Bass, Mid and Treble controls, a Phase switch, and a built-in tuner with LED display. The Presys+ preamp also includes a pre-wired Sonicore pickup for solder-free, plug and play installation, as well as a low battery indicator, low profile control knobs, and a unique pivot design for easy access to the battery compartment. Product Features Small footprint fits many guitars Volume control Bass, Middle and Treble control knobs Built-in tuner with LED display Phase switch Low battery indicator Unique pivot design for instant 9-volt battery access Pre-wired Sonicore pickup for easy, solder-free installation Low-profile control knobs Onboard anti-feedback control (notch) Brilliance control for additional tone shaping Attributes Type: Preamp Color: Black Position: Other