SpinBase MAX Review: Andover Audio Supersizes Its All-In-One Turntable Speaker System Andover Audio supersizes the original SpinBase turntable speaker to the SpinBase MAX, with 60W of power and a 4-driver array including dual 3.5-inch woofers. Sitting beneath a turntable, the SpinBase Max delivers impressive, 270-degree audio and can even stream your vinyl to Bluetooth headphones.