Markbass Nano Mark 300 15th Anniversary Bass Amplifier Head Overview :To celebrate the first 15 years of success Markbass released a limited edition series of Amp heads The NANO MARK 300 15th Anniversary offers the same features as the standard NANO MARK 300, plus a very cool amazing look designed for this important milestone!Specifications:INPUTSInput: impedance 2 Mohm, max. voltage 15 VppEffect Return: impedance 33 Kohm, max. voltage 10 VppCONTROLSGainMaster VolumeGround Lift (switch on rear panel)Pre/Post EQ (switch on rear panel)EQUALIZATIONLow: center frequency: 40 Hz; level: ±16 dBLow Mid: center frequency: 360 Hz, level: ±16 dBHigh Mid: center frequency: 800 Hz, level: ±16 dBHigh: center frequency: 10 kHz, level: ±16 dBOUTPUTSLine Out: balanced XLR, max. voltage 20 VppEffect Send: unbalanced, max. voltage 20 Vpp (pre-EQ)Tuner Out: unbalanced, max. voltage 2 VppSpeaker Out: speakon/1/4″ comboOTHERWeight: 3.20 lbs / 1.45 kgWidth: 7.87 in. / 20 cmDepth: 8.27 in. / 21 cmHeight: 2.09 in. / 5.3 cmOutput Power: 300W RMS @ 4 ohm, 150W RMS @ 8 ohm Power Requirement: 100/120V; 230V; 240V 50/60Hz