We took the state-of-the-art F1 & found a way to cram more features into the same, tiny & featherweight package! Now you get mute control, pre/post EQ switch for the XLR out, semi-parametric mids & line out level control. Great sound, power & flexibility in the palm of your hand!INPUTSINPUTimpedance 500 Kohm, max. voltage 15 Vpp EFFECT RETURNimpedance 22 Kohm, max. voltage 25 Vpp CONTROLSGAIN-80 d B to +25 d B range MUTEpush/pull master volume pot LINE OUT LEVELlevel control on front panel PRE/POST EQ (for line out)switch on rear panel MASTER VOLUMEGROUND LIFTswitch on rear panel EQUALIZATIONLOWcenter frequency: 40 Hz; level: ±16 d BLOW MID (semi-parametric)frequency 100-800 Hz, level ±16 d BHIGH MID (semi-parametric)frequency 700 Hz-6 k Hz, level ±16 d BHIGHcenter frequency: 10 k Hz shelf: ±16 d BVPF (Variable Pre-shape Filter)center frequency 380 Hz (cut)VLE (Vintage Loudspeaker Emulator)frequency range 250 Hz-20 k Hz (cut)OUTPUTLINE OUTbalanced XLR, max. voltage 10 Vpp EFFECT SENDunbalanced, max. voltage 20 Vpp (pre-EQ)TUNER OUTunbalanced, max. voltage 25 Vpp SPEAKER OUTspeakon / 1/4 (x 2)OTHERWEIGHT4.63 lbs / 2.1kg DEPTH10.04 in. / 25.5 cm WIDTH10.87 in. / 27.6 cm HEIGHT1.73 in. / 4.4 cm (1U)OUTPUT POWER300W RMS @ 8 ohm, 500W RMS @ 4 ohm POWER REQUIREMENT100V; 120V; 230V; 240V50/60 Hz