Markbass F 500

MarkBass took the state-of-the-art F1 and found a way to cram more features into the same tiny, featherweight package. With the Markbass F500 bass amp head, you get mute control, pre/post EQ switch for the XLR out, semi-parametric mids, and line out level control. The Markbass F 500 head offers great sound, power, and flexibility in the palm of your hand.
 

Mute control
Pre/post-EQ switch for XLR Out, semi-parametric mids, and Line Out level control

Input: Impedance 500 kOhm, max. voltage 15 Vpp
Effect return: Impedance 22 kOhm, max. voltage 25 Vpp

      Controls:
Gain: -80 dB to +25 dB range
Mute: Push/pull master volume pot
Line Out Level: Level control on front panel
Pre/Post EQ (for line out): Switch on rear panel
Master Volume
Ground Lift: Switch on rear panel

      Equalization:
Low: Center frequency: 40 Hz; level: ±16 dB
Low Mid (semi-parametric): Frequency 100–800 Hz, level ±16 dB
High Mid (semi-parametric): Frequency 700 Hz–6 kHz, level ±16 dB
High: Center frequency: 10 kHz shelf: ±16 dB
VPF (Variable Pre-shape Filter) Center frequency 380 Hz (cut)
VLE (Vintage Loudspeaker Emulator): Frequency range 250Hz±20 kHz (cut)

      Output:
Line Out: Balanced XLR, max. voltage 10 Vpp
Effects Send: Unbalanced, max. voltage 20 Vpp (pre-EQ)
Tuner Out: Unbalanced, max. voltage 25 Vpp
Speaker Out: Speakon 1/4" (x2)

      Weight: 5 lb.
Dimensions: 10.87" W x 1.73" H x 10.04" D

      Output Power: 300W RMS @ 8 ohm, 500W RMS @ 4 ohm
Power Requirement: 120V, 60Hz