The HA5000 is a professional bass amplifier head from Hartke Systems, a renowned name in bass amps. This high-output, multi-functional flagship model is designed to deliver the best performance in live settings and recording sessions. High Output: Boasts a powerful 500W output (250W + 250W), suitable for large venues. Hybrid Preamp: Allows blending of **tube (vacuum tube) and solid-state (transistor)** preamps. Create your desired sound, from warm, thick tones to tight, clear modern sounds. Multi-Function EQ/Controls: Equipped with a 10-band graphic equalizer for detailed sound quality correction. Features a compressor and envelope control to shape the sound's articulation. Crossover Function: Features a crossover function for bi-amp connections, enabling high-fidelity system construction. Excellent Expandability: Includes a variety of input/output terminals, such as speaker outputs, an effects loop, and a direct out (XLR). Product Condition Appearance: Stored in a rack case (as inferred from the images), with no noticeable major scratches or stains, and in clean condition. There is no significant damage to the knobs or sliders. Operation: Basic operational checks (power on, input/output) have been performed before listing. Sold as a set with the rack. As shown in the photos, there is some rubber missing, so please be aware of this. The power cable is missing, but it is a standard cable.