The SA Expand 4-channel expander/mixer allows musicians, presenters and AV professionals to easily and affordably add up to four additional microphones, instruments or program sources to their SA Performance Audio System. Phantom powered, when connected to the SA330x, the SA Expand requires no additional power supplies or adaptors to set up… or lose! The SA Expand is a full-featured expander/mixer featuring four channels of Fishman preamplifiers, each with 3-bands of EQ and phase control for pro-quality mixing versatility. Convenient wired-remote access to the SA330x via the Accessory port and four XLR / 1⁄4” inputs. With the SA Expand performers can easily expand their systems to accommodate additional instruments and audio sources as needed.