The HA2500 delivers 250 watts to a 4 ohm speaker system and 180 watts to an 8 ohm speaker system. This kind of output makes the HA2500 insanely loud and punchy. Additionally, the HA2500 offers many advanced features such as tube emulation/solid state circuitry, onboard compressor, 10-band graphic EQ, send and return jacks for effects loop, Direct Out with ground lift and pre/post switches. High and low-pass contour controls let you fine-tune your bass tone even further. Additionally, the HA2500's protective relay circuitry protects connected speakers from dangerous overloads and eliminates pops when switching on/off. Finally, the HA2500's silver body brings a clean, elegant aesthetic to its rugged, street-ready construction. HA2500 is perfect for live performances in small and medium venues. Also, with its advanced preamp capabilities, the HA2500 is a great tool for studio work. All of this combined with outstanding reliability make the HA2500 a key player in the world of modern bass amps. 250 watts at 4 ohms, 180 watts at 8 ohms Tube-emulation and solid-state preamp circuit 10-band graphic EQ High Pass and Low Pass contour knobs Built-in compressor Active and Passive inputs Protection relay circuitry Effects loop Send and Return jacks Unbalanced 1/4” Speaker Outputs Balanced Direct Out with Ground Lift and Pre/Post switches Rugged, roadworthy construction