Awesome tone from this Markbass F1 head. No issues, sounds and operates perfectly. Great DI. From the Markbass site: OUTPUT POWER 300W RMS @ 8 ohm, 500W RMS @ 4 ohm WEIGHT 4.63 lbs / 2.1 kg EQUALIZATION LOW center frequency: 40 Hz; level: ±16 dB LOW MID center frequency: 360 Hz, level: ±16 dB HIGH MID center frequency: 800 Hz, level: ±16 dB HIGH center frequency: 10 kHz: ±16 dB VPF (Variable Pre-shape Filter) center frequency 380 Hz (cut) VLE (Vintage Loudspeaker Emulator) frequency range 250 Hz-20 kHz (cut) Will ship free in US48 - sorry but no shipping anywhere else