500 ferocious watts and a tube preamp in a compact head. Maintaining the size of the original Tiny Terror, the Terror Bass from Orange Amplifiers is a 500W hybrid bass amp head with a Class D solid-state power section and the AD200B twin-tube 12AX7 preamp. This Orange bass amp’s diminutive size is quite deceiving, especially considering that underneath its sturdy and appealing housing lies an unbelievable 500 watts of class-D solid-state power, paired with a twin tube preamp. The result is a crushing bass power and tone that has put Orange bass amplifiers in a class of their own. The amplifier head features switchable impedance of 4 or 8 ohm, and includes volume, bass, middle, treble, gain, and active/passive switch for further control of your bass tone. Weighing in at just over 11 lb., the Orange Bass Terror is a leader in ultra-compact and portable bass power. Its size makes this bass amp head ideal for traveling musicians. Take it on the bus, subway, in a backpack, or on a bike to that gig, and rock out knowing the sound from this little Orange bass amp head is loud, and proud, and pumps out incredible tone. Includes padded gig bag. Note: The Bass Terror bass amp head does not require rebiasing when replacing tubes. FEATURES • Controls: volume, bass, middle, treble, gain, active/passive switch. • Switchable impedance: 4 or 8ohm • Metal case 1.5 mm Zintec chassis, steel vented top • Output: 500 watts RMS • Dimensions: (WxHxD) 12?W x 6-3/4?H x 5-1/2?D