Orange Terror Bass, Hybrid Bass Amp Head, Power: 500 W @ 4 ohms, 250 W @ 8 ohms, Class-D amplifier, Tube preamp with 12AX7 / ECC83, Switchable input sensitivity for active or passive instruments, DI output, FX loop with tube-driven send (12AT7), Controls: Master, Treble, Middle, Bass, Gain, Clean switch, Speaker Twist speaker output, Solid steel housing, Dimensions (W x H x D): 307 x 190 x 160 mm, Weight: 4.65 kg, Colour: White, Includes padded gig bag