EquipmentOne Louder Studios has a wide selection of equipment available to rent during your rehearsal. < All EquipmentEquipment > Bass > Bass Head > Ampeg Portaflex 500 Bass HeadImage 1 / 2500 Watt Bass Amplifier Head, with Built in Compression.Wattage500WOhmage4ΩThe same great Ampeg tone in a smaller box. These units come with a variety of features and many tonal shaping options. The onboard compression allows you to focus your dynamic range to suit the type of music you’re playing. Features switchable Mute function, as well as appropriate gain control for either Passive or Active Bass pickups. Typical EQ controls, but with a 5 way selector for midrange. Meaning you can precisely dial in the mid frequencies for your style. Ultra HI and Low controls exaggerate and change the character of the High and Low frequencies respectively. A truly versatile amplifier.