Blackstar Unity Bass Pro System 1x15" 250-Watt Active Bass Extension Cabinet

250-Watt Cabinet with Custom Designed Eminence 15" Opus Speaker and Independent Volume Control Combined XLR + 1/4" Input Allowing Use with External Preamps Blackstar Unity Bass Pro System 1x15" 250-Watt Active Bass Extension CabinetYou may also like Markbass MB58R 121 PURE Bass Cabinet 8 Ohm.